Terms of Use and Privacy Policy

Welcome to ACLS Helper, an application designed to assist healthcare professionals during cardiac arrest emergencies, providing operational support and reminders based on the American Heart Association (AHA) guidelines.

By using this application, you fully agree to these Terms of Use and the Privacy Policy described herein.
If you do not agree, do not use the application.

Part I — Terms of Use

1. Purpose of the Application

ACLS Helper is intended to assist properly trained and qualified professionals in responding to cardiac arrest emergencies, offering decision-support tools and event logging features based on recognized protocols.

The application does not replace clinical judgment, professional training, or Advanced Cardiovascular Life Support (ACLS) certification, and must not be used by unqualified individuals to perform emergency medical procedures.

2. Target Audience and Authorized Use

The use of this application is restricted to qualified healthcare professionals, such as physicians, nurses, physiotherapists, and other professionals who have completed formal ACLS training or equivalent.

By accepting these Terms, the user declares that they:

Hold the training and/or certification required to participate in cardiac arrest response;
Understand that the application is a support tool and that all clinical decisions are the sole responsibility of the professional;
Are aware that improper use of the application by unqualified individuals may put lives at risk;
Are at least 18 (eighteen) years of age or have reached the legal age of majority in their jurisdiction.

3. Medical Disclaimer

ACLS Helper does not provide medical, nursing, or any other healthcare services. The application is a technological tool for operational support and does not establish a physician-patient relationship between the developers and the users or their patients.

The developers of the application:

Are not responsible for any clinical decisions made based on information presented by the application;
Do not guarantee that the information is always up to date, complete, accurate, or error-free;
Assume no liability for adverse outcomes, deaths, injuries, or any damages arising from the use or inability to use the application;
Do not replace guidelines, protocols, or instructions from the healthcare institutions where the professional works;
Are not liable for delays, technical failures, interruptions, or unavailability of the application during emergency situations.

The content of the application is based on public guidelines from the American Heart Association (AHA) current at the time of development. The AHA may update its guidelines at any time, and the application may not immediately reflect such updates.

4. Limitation of Liability

To the maximum extent permitted by applicable law, the developers, contributors, partners, and affiliates of ACLS Helper shall not be liable for any direct, indirect, incidental, special, consequential, punitive, or exemplary damages, including but not limited to:

Loss of data, revenue, profits, or opportunities;
Harm to the health, physical integrity, or life of patients;
Costs of medical or hospital treatments;
Interruption of professional activities;
Legal or administrative actions brought by third parties against the user.

This limitation applies regardless of the legal theory invoked (contractual, tort, strict liability, or negligence) and even if the developers have been previously informed of the possibility of such damages.

The application is provided "as is" and "as available", without warranties of any kind, express or implied, including, without limitation, warranties of merchantability, fitness for a particular purpose, and non-infringement of third-party rights.

5. Data and Privacy

ACLS Helper collects and stores data necessary for the operation of the application. Full details on what data is collected, how it is processed, stored, shared, and protected are provided in Part II — Privacy Policy of this document.

The user acknowledges that they are solely responsible for ensuring compliance with applicable patient data protection regulations in their jurisdiction (including, as applicable, LGPD, GDPR, HIPAA, or equivalent legislation) when recording procedure data in the application.

6. Intellectual Property

All content of the ACLS Helper application, including but not limited to source code, design, user interface, text, icons, logos, sounds, trademarks, and graphic elements, is the exclusive property of TNZ Solutions or its licensors, protected by Brazilian and international intellectual property laws.

The following actions are expressly prohibited:

Copying, reproducing, modifying, adapting, translating, or creating derivative works of the application;
Reverse engineering, decompiling, disassembling, or attempting to extract the source code;
Removing, altering, or concealing intellectual property notices;
Using the ACLS Helper name, logos, or trademarks without prior written authorization;
Redistributing, sublicensing, renting, or selling the application or any part of it.

The medical guidelines presented in the application are based on publications by the American Heart Association (AHA). ACLS Helper has no affiliation, endorsement, or association with the AHA or any other medical organization.

7. Plans and Payments

ACLS Helper offers two usage tiers:

FREE Plan: free access to basic application features, subject to advertising;
PROFESSIONAL Plan: access to advanced features through a subscription via in-app purchase on the Apple App Store or Google Play Store.

Payment transactions are processed exclusively by Apple App Store and Google Play Store, according to the terms and policies of each platform. The ACLS Helper developers do not have access to payment data (credit card, bank details, etc.) of users.

Refund policies follow the rules of the platform where the purchase was made (Apple or Google). The developers do not process refunds directly.

The developers reserve the right to change prices, features included in each plan, and payment terms at any time, with prior notice to the user.

8. Advertising

The FREE plan of ACLS Helper displays advertisements provided by Google AdMob. By using the application, the user consents to the display of such advertisements.

Google AdMob may collect device and usage data for ad personalization, in accordance with the Google Privacy Policy. The user can manage their ad preferences in their device or Google account settings.

The ACLS Helper developers are not responsible for the content of advertisements displayed by third parties, nor for any transactions between the user and advertisers.

9. Availability and Maintenance

The developers do not guarantee that the application will be available on an uninterrupted basis, or free from errors or failures. The application may be temporarily unavailable due to maintenance, updates, technical failures, infrastructure issues, or force majeure.

The developers reserve the right, at any time and without prior notice, to:

Suspend, modify, or discontinue any feature of the application;
Limit access to certain features;
Permanently shut down the application.

Under no circumstances shall the developers be liable for losses or damages resulting from the unavailability, modification, or discontinuation of the application.

10. User Conduct

The user agrees to use the application ethically, lawfully, and in compliance with these Terms of Use. The following actions are expressly prohibited:

Using the application for illegal, fraudulent, or bad-faith purposes;
Attempting to access other users' data or compromising system security;
Entering false, misleading, or privacy-violating data about third parties;
Using the application for unauthorized commercial purposes;
Interfering with the operation of the application, servers, or connected networks;
Sharing access credentials with third parties;
Using bots, scrapers, or any automated means to interact with the application.

Violation of these rules may result in the immediate suspension or deletion of the user's account, without prior notice and without the right to a refund.

11. Account and Data Deletion

The user may request the deletion of their account at any time directly through the application, by accessing the profile screen.

Upon account deletion:

All user data will be permanently deleted from Firebase Firestore and the local cache;
Deletion is irreversible — data cannot be recovered;
Access to the PROFESSIONAL plan will be terminated, with no right to a prorated refund;
Data may remain in infrastructure backups for a limited period, in accordance with Firebase (Google Cloud) platform policies, before being permanently removed.

The developers reserve the right to delete accounts that have been inactive for more than 24 (twenty-four) months, with prior notification to the registered email address.

12. Legal Compliance and Data Protection

ACLS Helper is developed in compliance with Brazilian legislation, including:

Lei Geral de Proteção de Dados (LGPD) — Law No. 13,709/2018;
Marco Civil da Internet — Law No. 12,965/2014;
Código de Defesa do Consumidor — Law No. 8,078/1990, where applicable.

For users located in the European Union, data processing complies, where applicable, with the General Data Protection Regulation (GDPR) — Regulation (EU) 2016/679.

For users located in the United States, the developers do not guarantee compliance with specific state legislation (such as CCPA, HIPAA, or similar). The user is responsible for verifying the adequacy of the application's use under the applicable regulations in their jurisdiction.

Users may exercise their rights under applicable data protection legislation (access, rectification, deletion, portability, objection to processing) by contacting the developers at: contato@tnzsolutions.com.

13. Changes to the Terms of Use

The developers reserve the right to modify these Terms of Use at any time, without the need for prior individual consent. Changes will take effect immediately upon publication of the updated version.

Continued use of the application after the publication of changes constitutes full acceptance of the new Terms. If the user does not agree with the changes, they must immediately stop using the application and, if desired, delete their account.

The date of the last update will always be indicated at the end of this document.

14. Governing Law and Jurisdiction

These Terms of Use are governed by the laws of the Federative Republic of Brazil.

For the resolution of any disputes arising from these Terms or the use of the application, the Courts of the City of São Paulo, State of São Paulo, Brazil are hereby elected as the exclusive jurisdiction, to the exclusion of any other, however privileged.

If the user is located in a jurisdiction where local legislation prevents the selection of jurisdiction, disputes shall be resolved in the competent court of the user's domicile.

15. Indemnification

The user agrees to indemnify, defend, and hold harmless the developers, contributors, partners, directors, employees, and affiliates of ACLS Helper and TNZ Solutions from any and all losses, damages, costs, expenses (including reasonable attorney's fees), claims, lawsuits, or third-party demands arising from:

The user's use of the application, including clinical decisions made with the assistance of the application;
The user's violation of these Terms of Use;
The user's violation of the rights of third parties (including patients);
Entry of patient personal data without the required legal authorizations;
Any unlawful act or negligence committed by the user in connection with the use of the application.

16. General Provisions

Entire agreement: these Terms of Use, together with the Privacy Policy contained in this document, constitute the entire agreement between the user and the developers regarding the use of the application, superseding any prior agreements.
Severability: if any provision of these Terms is found to be invalid or unenforceable, the remaining provisions shall remain in full force and effect.
Waiver: the failure or tolerance of the developers to enforce any provision of these Terms does not constitute a waiver of the right to enforce it subsequently.
Assignment: the user may not assign or transfer their rights or obligations under these Terms without the prior written consent of the developers.
Communications: any communication relating to these Terms should be sent to contato@tnzsolutions.com.
Languages: this document is available in Portuguese, English, and Spanish. In case of conflict between versions, the Portuguese version shall prevail.

Part II — Privacy Policy

This section describes how the ACLS Helper application, developed and maintained by TNZ Solutions, collects, uses, stores, shares, and protects the personal information of its users.

17. Data Controller

The entity responsible for the processing of personal data collected through ACLS Helper is:

Company name: TNZ Solutions
Contact email: contato@tnzsolutions.com

To exercise any rights regarding your personal data, please contact us at the email address above.

18. Personal Data Collected

ACLS Helper collects the following categories of data:

18.1. Registration and authentication data:

Unique user identifier (UUID);
Display name;
Email address;
Profile photo;
Authentication provider used (Google or Apple).

This data is obtained directly from login providers (Google Sign-In or Apple Sign-In) and is necessary for creating and maintaining the user's account.

18.2. Location data (optional):

Country, state, and city of the user.

Location data collection is optional and depends on the user's express consent. When authorized, location is used exclusively to supplement procedure records (city and state where the procedure was performed).

18.3. Procedure data (recorded procedures):

Patient data: name, age, weight, and gender;
Procedure data: type, outcome, probable cause, duration, action timeline, performance score;
Procedure counts: defibrillations, epinephrine administrations, amiodarone, and other medications;
Procedure location: GPS coordinates, address, city, state, and country (when authorized);
Complete record (JSON) of all actions performed during the procedure;
Creation, update, and synchronization timestamps;
Notes and additional observations entered by the user.

18.4. Device and platform data:

Device model and manufacturer;
Operating system and version;
Device identifiers;
Platform information (iOS or Android).

18.5. Usage data and preferences:

Active subscription plan (FREE or PROFESSIONAL);
Records of acceptance of the Terms of Use, Privacy Policy, and location sharing;
Application settings and preferences.

19. Purpose of Data Processing

Personal data collected is used for the following purposes:

Authentication and account management: to enable login, identification, and user personalization;
Application functionality: to record, store, synchronize, and display procedures performed by the user;
Cross-device synchronization: to allow the user to access their data on multiple devices;
Indicators and statistics: to provide charts and reports based on the user's own procedures;
Report export: to enable the generation and sharing of procedure PDFs;
Procedure record enrichment: to use location data to supplement procedure information;
Advertising: to display personalized advertisements via Google AdMob on the FREE plan;
Application improvement: to analyze usage data in an aggregated and anonymous manner to enhance features and user experience;
Communications: to send notifications related to application operation, updates, and changes to the Terms or Privacy Policy;
Legal compliance: to respond to requests from competent authorities, when applicable.

20. Legal Basis for Processing

Personal data processing is carried out based on the following legal grounds, in accordance with LGPD (Law No. 13,709/2018) and, where applicable, the GDPR (Regulation (EU) 2016/679):

Consent: for the collection of location data and for the display of personalized advertisements;
Performance of a contract: for providing the services offered by the application, including authentication, data storage, and synchronization;
Legitimate interest: for continuous improvement of the application, aggregated usage analysis, and fraud prevention;
Legal obligation: to comply with applicable legislation and determinations from competent authorities.

21. Data Storage and Security

21.1. Cloud storage:

Data is stored on Firebase Firestore, a service of Google Cloud Platform;
Data is protected with encryption at rest and in transit (TLS/SSL);
Data access is controlled by Firebase security rules, ensuring that each user has exclusive access to their own data;
Authentication is managed by Firebase Authentication, using secure providers (Google and Apple).

21.2. Local storage:

The application maintains a local cache layer on the user's device for offline functionality;
Locally saved data is synchronized with Firebase Firestore when an internet connection is restored;
The user is responsible for the physical security of their device, including the use of screen lock mechanisms and password protection.

21.3. Security measures:

Encryption of data in transit and at rest;
Secure authentication via recognized identity providers (Google and Apple);
Granular database access rules ensuring data isolation per user;
Continuous monitoring and updating of security infrastructure.

While we adopt appropriate technical and organizational measures to protect personal data, no security system is absolutely infallible. We cannot guarantee absolute protection against unauthorized access, cyberattacks, or other security breaches.

ACLS Helper does not sell, rent, or trade users' personal data. Data may be shared with the following categories of third parties, exclusively for the purposes described in this Policy:

22.1. Google (Firebase and AdMob):

Firebase Authentication: for user account authentication and management;
Firebase Firestore: for data storage and synchronization;
Google AdMob: for displaying advertisements on the FREE plan. AdMob may collect device and usage data for ad personalization, in accordance with the Google Privacy Policy.

22.2. Apple and Google (social login):

Login providers (Apple Sign-In and Google Sign-In) process authentication data in accordance with their respective privacy policies.

22.3. Apple App Store and Google Play Store:

Distribution platforms process subscription payment transactions. The developers do not have access to payment data (credit card, bank details, etc.).

22.4. Legal authorities:

Data may be shared with governmental or judicial authorities when required by law, court order, or determination of a competent authority.

23. International Data Transfers

Users' personal data may be transferred to and stored on servers located outside the user's country of residence, including, but not limited to, Google Cloud Platform servers in the United States and other regions.

By using the application, the user consents to the international transfer of their data. We take reasonable measures to ensure that international transfers are conducted with adequate safeguards, including:

Use of infrastructure providers that comply with international security and privacy standards;
Encryption of data in transit and at rest;
Standard contractual clauses, where applicable.

24. Data Retention

Personal data will be retained for as long as necessary to fulfill the purposes described in this Policy, unless a longer retention period is required or permitted by law.

Account data: retained while the user's account is active;
Procedure data: retained while the account is active or until the user requests deletion;
Location data: stored as part of procedure records, subject to the same retention period;
Log and usage data: retained for a limited period for service improvement and legal compliance purposes;
Inactive accounts: accounts inactive for more than 24 (twenty-four) months may be deleted, with prior notification to the registered email address.

After account deletion, data will be permanently removed from Firebase Firestore and the local cache. Data may remain in infrastructure backups for a limited period, in accordance with Firebase (Google Cloud) platform policies, before being permanently eliminated.

25. User Rights

In compliance with LGPD, GDPR, and other applicable data protection legislation, the user has the following rights regarding their personal data:

Confirmation and access: to confirm the existence of data processing and access their personal data;
Rectification: to request the correction of incomplete, inaccurate, or outdated data;
Deletion: to request the deletion of personal data processed based on consent or when no longer necessary;
Portability: to request the transfer of personal data to another service provider, where applicable;
Withdrawal of consent: to revoke consent for data processing at any time, without affecting the lawfulness of processing carried out prior to withdrawal;
Objection: to object to the processing of personal data when based on legitimate interest;
Information: to be informed about public and private entities with which data has been shared;
Anonymization, blocking, or deletion: to request the anonymization, blocking, or deletion of unnecessary, excessive, or non-compliant data;
Complaint: to file a complaint with the competent data protection authority (in Brazil, the ANPD — National Data Protection Authority).

In-app account deletion: the user can delete their account at any time directly through the application, by accessing the profile screen. Upon account deletion, all user data is permanently removed from Firebase Firestore and the local cache. This action is irreversible.

To exercise any rights, please contact us at: contato@tnzsolutions.com. Requests will be responded to within 15 (fifteen) business days, in accordance with applicable legislation.

26. Cookies and Tracking Technologies

ACLS Helper is a native mobile application and does not directly use browser cookies. However, third-party services integrated into the application may use similar technologies:

Google AdMob: may use device advertising identifiers (IDFA on iOS, GAID on Android) to display personalized advertisements;
Firebase Analytics: may collect usage data automatically for analytical purposes.

The user can manage tracking and advertising preferences in their device settings:

iOS: Settings > Privacy & Security > Tracking;
Android: Settings > Google > Ads.

27. Children's Privacy

ACLS Helper is intended exclusively for healthcare professionals aged 18 and older. We do not knowingly collect personal data from children or minors under the age of 18.

If we become aware that we have collected data from a minor under 18 without parental or legal guardian consent, we will take immediate steps to delete such data. If you believe a minor has used the application without authorization, please contact us at: contato@tnzsolutions.com.

28. Patient Data

ACLS Helper allows the user to record data related to patient procedures, including name, age, weight, and gender. It is the sole responsibility of the user to:

Ensure they have the necessary legal authorizations to record patient personal data in the application;
Comply with all applicable patient data protection regulations in their jurisdiction, including, as applicable, LGPD, GDPR, HIPAA, or equivalent legislation;
Ensure that the collection and recording of patient data complies with the ethical and regulatory standards of their profession;
Adopt adequate measures to protect the confidentiality of patient data recorded in the application.

The developers do not access, view, or process patient data entered by the user. This data is accessible exclusively to the authenticated user through Firebase security rules.

The developers are not responsible for any patient privacy violations resulting from the user's improper use of the application.

29. Third-Party Services

ACLS Helper uses third-party services that have their own privacy policies. We recommend reading the following policies:

Google (Firebase, AdMob): Google Privacy Policy
Apple: Apple Privacy Policy

The ACLS Helper developers are not responsible for the privacy practices of third-party services. The use of these services is subject to their respective policies and terms.

30. Changes to This Privacy Policy

The developers reserve the right to modify this Privacy Policy at any time. Changes will take effect immediately upon publication of the updated version.

When changes are substantial, the user will be notified through the application. Continued use of the application after the publication of changes constitutes full acceptance of the new Privacy Policy.

If the user does not agree with the changes, they must immediately stop using the application and, if desired, delete their account.

31. Contact

For questions, suggestions, complaints, or to exercise rights related to this document, please contact:

Email: contato@tnzsolutions.com

Last updated: May 27, 2026.