Terms of Service (TOS)

Last updated: January 14, 2026

1. Subject

These Terms of Service (TOS) govern the use of the NeuralBricks application, available on web and mobile (Android). By using NeuralBricks, you accept these TOS without reservation.

2. Service Description

NeuralBricks is an educational platform for creating, training, and managing neural network models directly in the browser or on mobile, using TensorFlow.js. The service offers:

• A visual block-based design interface (drag & drop)
• Integrated datasets for learning
• A real-time training system
• Guided interactive tutorials
• Saving and persistence of created models

3. Service Access

3.1 Free Version (Demo)

Access to NeuralBricks' basic features is free and serves as a demonstration. Use does not require account creation. In this mode, all your work data is stored locally on your device.

3.2 Premium Version

Access to premium features (advanced tutorials, specialized bricks, premium datasets, checkpoints, TPU acceleration) requires a paid subscription and user account creation.

3.3 Training Accounts

In the context of professional training, dedicated accounts may be created to allow sharing creations with a trainer in a 'classroom'. These accounts are provided temporarily for the duration of the training and are generally non-nominal.

4. Account Creation

To access premium features or participate in training, you must create an account by providing:

• A username
• A valid email address
• A secure password

You agree to provide accurate information and maintain the confidentiality of your credentials. You are responsible for all activities performed from your account.

5. Use of Service

5.1 Authorized Use

NeuralBricks is intended for educational use and neural network prototyping. You agree to use the service legally and in compliance with these TOS.

5.2 Prohibited Use

It is strictly forbidden to:

• Use the service for illegal or fraudulent purposes
• Attempt to circumvent security measures or access unauthorized features
• Use the service to harm third parties or spread illegal content
• Intentionally overload servers or disrupt service operation
• Extract, copy, or redistribute premium content without authorization
• Share your premium account credentials with third parties

6. Intellectual Property

The models, configurations, and creations you develop with NeuralBricks belong to you. However, NeuralBricks retains all rights to the application, its interface, tutorials, datasets, and features.

7. Premium Subscription

7.1 Price and Payment

The Premium subscription is billed monthly at the rate indicated on the site. Payment is made by credit card via a secure payment provider.

7.2 Renewal

The subscription is automatically renewed each month until canceled by you.

7.3 Cancellation

You can cancel your subscription at any time from your account settings. Cancellation takes effect at the end of the current period. No pro-rated refunds are made.

7.4 Right of Withdrawal

In accordance with Article L221-28 of the Consumer Code, the right of withdrawal cannot be exercised for digital content services provided on a non-material support whose execution has begun after express prior agreement of the consumer and express waiver of their right of withdrawal. By subscribing to the Premium subscription, you agree to immediate access to the service and waive your 14-day right of withdrawal.

8. Service Availability

We strive to ensure optimal availability of NeuralBricks. However, interruptions may occur for maintenance, updates, or in cases of force majeure. We do not guarantee 24/7 availability.

9. Limitation of Liability

NeuralBricks is provided 'as is' for educational purposes. We cannot be held responsible for:

• Loss of local data stored on your device
• Results obtained with models you create
• Service interruptions or potential bugs
• Your use of knowledge acquired through the platform

10. Modification of TOS

We reserve the right to modify these TOS at any time. Modifications take effect upon publication on the site. Your continued use of the service after modification constitutes acceptance of the new TOS.

11. Applicable Law and Jurisdiction

These TOS are governed by French law. In case of dispute, and after an attempt at amicable resolution, French courts shall have exclusive jurisdiction.

Privacy Policy (GDPR)

Last updated: January 14, 2026

1. Data Controller

The data controller for personal data is NeuralBricks, reachable at: contact@neuralbricks.ovh

2. Data Collected

2.1 Use without an account (free version)

Data stored locally on your device:

• Your username chosen locally
• Your created neural network models
• Your saves and configurations
• Your progress in tutorials
• Your interface preferences

This data is never transmitted to our servers and remains exclusively on your terminal (local browser or application storage). We have no technical access to this information until an account is created and data is synchronized.

2.2 Use with an account (Premium or Training version)

Data collected and stored on our servers:

• Identification information: email address, username, password (hashed and secured)
• Profile data: account creation date, subscription type
• Usage data: models created and saved on the cloud, progress, usage statistics
• Payment data: transaction information (amount, date) processed by our payment provider (your banking data never passes through our servers)
• Technical data: IP address (for security and fraud detection), device type, browser

2.3 Training accounts (Classrooms)

In the context of professional training with access to a 'classroom':

• Accounts are generally non-nominal (e.g., 'Learner-01')
• The trainer has access to creations shared in the classroom
• Data is kept only for the duration of the training, then deleted

3. Purposes of Processing

Your data is collected and processed to:

• Provide the service: account management, cloud synchronization, backups
• Subscription management: billing, renewal, customer support
• Service improvement: anonymous statistical analysis of use to improve the experience
• Security: fraud detection, abuse prevention, protection against unauthorized access
• Communication: sending service-related emails (account confirmation, reminders, important updates)

4. Legal Basis for Processing (GDPR)

In accordance with GDPR, our processing is based on:

• Contract performance: management of your account and service provision
• Legitimate interest: security, abuse prevention, service improvement
• Consent: for marketing communications (if you explicitly consent)
• Legal obligation: retention of billing data (accounting obligation)

5. Data Sharing

Your data is never sold to third parties. It may be shared only in the following cases:

• Service providers: hosting (OVH), payment (secure provider), only to the extent necessary for service operation
• Trainers (classrooms): in the context of training, the trainer accesses creations you voluntarily share
• Legal obligations: if the law requires us (judicial requisition)

We do no data sharing between users. Your creations remain private, except for explicit sharing in a classroom.

6. Retention Period

• Active accounts: data retention as long as the account is active
• Deleted accounts: deletion within 30 days, except for legal obligation (billing data kept for 10 years)
• Training accounts: deletion at the end of training or after 6 months of inactivity
• Payment data: 10 years (legal accounting obligation)

7. Data Security

We implement technical and organizational measures to protect your data:

• Password encryption (bcrypt hashing)
• Secure HTTPS connections for all transfers (Transit)
• Hosting on secure servers (OVH, GDPR compliant)
• Encryption of sensitive data at rest in our database
• Restricted data access: the technical administrator of the service has access to all data stored on the server via a secure administration interface, solely for maintenance, technical support, and moderation purposes.
• Regular backups

8. Data Transfer Outside the EU

Your data is hosted in France (OVH) and is not subject to any transfer outside the European Union, thus guaranteeing compliance with GDPR.

9. Your Rights (GDPR)

In accordance with GDPR, you have the following rights:

• Right of access: obtain a copy of your personal data
• Right to rectification: correct inaccurate data
• Right to erasure: delete your account and your data
• Right to restriction: restrict the processing of your data
• Right to portability: retrieve your data in a structured format
• Right to object: object to processing for legitimate reasons
• Right to withdraw consent: for marketing communications

To exercise these rights, contact us at contact@neuralbricks.ovh. We respond within 1 month maximum.

10. Complaint to the CNIL

If you believe your rights are not respected, you can file a complaint with the National Commission for Informatics and Liberties (CNIL):

CNIL - 3 Place de Fontenoy, TSA 80715, 75334 Paris Cedex 07
Phone: 01 53 73 22 22
Website: www.cnil.fr

11. Sensitive Data and Minors

NeuralBricks does not collect any sensitive data automatically (origin, political opinions, health data, etc.). As a user, you agree not to store sensitive or nominal third-party information in your projects. The administrator has full visibility over the data hosted on the server to guarantee service security.

Use of NeuralBricks is authorized for minors over 13 with parental consent. For those under 13, use must be done under parental supervision or in a school setting (via non-nominal training accounts).

Cookies Policy

Last updated: January 14, 2026

1. What is a cookie?

A cookie is a small text file placed on your device during your visit to our site or application. It allows for remembering information relating to your navigation.

2. Cookies used by NeuralBricks

2.1 Strictly necessary cookies

These cookies are indispensable to service operation and cannot be disabled:

• User session: maintaining your connection
• Security: protection against CSRF attacks
• Preferences: language, interface theme

2.2 Performance cookies (with consent)

These cookies help us improve the service:

• Usage statistics: pages visited, features used (anonymized data)
• Error detection: identification of bugs for improvement

2.3 No third-party cookies

NeuralBricks uses no third-party cookies (no Google Analytics, no Facebook Pixel, no advertising).

3. Cookie Management

You can manage your cookie preferences at any time from the application or browser settings. Disabling strictly necessary cookies may affect service operation.

4. Retention Period

• Session cookies: deleted upon browser closure
• Preference cookies: 12 months
• Statistics cookies: 13 months maximum (in accordance with CNIL)

Your Rights & How to Exercise Them

Last updated: January 14, 2026

Rights Guaranteed by GDPR

1. Right of Access

You can request a copy of all personal data we hold about you, in a readable format.

2. Right to Rectification

You can correct inaccurate or incomplete data directly from your account settings, or contact us for assistance.

3. Right to Erasure ('right to be forgotten')

You can delete your account and all associated data at any time from your account settings. Deletion is effective within a maximum of 30 days, except for data subject to a legal retention obligation (invoices).

4. Right to Restriction of Processing

You can request the temporary suspension of processing your data in certain cases (disputing accuracy, unlawful processing, opposition to processing).

5. Right to Portability

You can retrieve your personal data in a structured and commonly used format (JSON, CSV) to transfer it to another service.

6. Right to Object

You can object at any time to the processing of your data for legitimate reasons, particularly regarding marketing communications.

7. Right to Withdraw Consent

For processing based on your consent (performance cookies, marketing communications), you can withdraw this consent at any time.

8. Right to Define Post-Mortem Directives

You can define directives regarding the retention, erasure, and communication of your data after your death.

How to Exercise Your Rights?

To exercise any of these rights, you can:

• Access your account settings (for rectification, deletion, download)
• Send us an email at contact@neuralbricks.ovh specifying your request

We will respond to you within a maximum period of 1 month following receipt of your request. This period may be extended by an additional 2 months in case of particular complexity.

Identity Verification

To protect your data, we may ask you to confirm your identity before processing your request (account email verification).

Complaint

If you believe your rights have not been respected, you can file a complaint with the CNIL:

National Commission for Informatics and Liberties (CNIL)
3 Place de Fontenoy - TSA 80715
75334 Paris Cedex 07
Tel: 01 53 73 22 22
Site: www.cnil.fr

Google Play Store Privacy Statement

Last updated: January 14, 2026

Types of Data Collected

1. Personal Data

Data collected:

• Email address (only if Premium or Training account creation)
• Username
• Password (encrypted)

Purpose: User account management, cloud synchronization, authentication

Sharing: No sharing with third parties

2. In-app Activity Data

Data collected:

• Neural network models created
• Saves and configurations
• Progress in tutorials
• Usage statistics (features used, time spent)

Purpose: App operation, service improvement

Sharing: No sharing, except with a trainer in a classroom setting (with explicit consent)

3. Device Data

Data collected:

• Device type (model, manufacturer)
• Android operating system version
• Unique installation ID (for security, not traceable across apps)
• Performance data (crashes, errors)

Purpose: Technical support, bug fixes, compatibility

Sharing: No sharing with third parties

4. Financial Information

Data collected:

• Purchase history (Premium subscriptions)
• Transaction information (amount, date, status)

Purpose: Subscription management, billing

Sharing: Processed via Google Play Billing (per Google policies)

Note: Payment information (credit card) is processed exclusively by Google Play and never passes through our servers.

Data NOT Collected

NeuralBricks DOES NOT collect the following data:

• Precise or approximate GPS location
• Device contacts
• Photos, videos, or multimedia files
• Health data
• SMS or call logs
• Calendar
• Microphone or camera (except for explicit future features)
• List of installed applications

Security and Encryption

Data encrypted in transit:

• All communications between the app and our servers use HTTPS/TLS
• Passwords are hashed (bcrypt) and never stored in plain text

Data encrypted at rest:

• Sensitive data is encrypted in our database
• Stored on secure servers (OVH, France)

Data Deletion

You can delete your data at any time:

• Local data: App deletion or clearing from settings
• Cloud data: Account deletion from settings (effective within 30 days)
• Email request: contact@neuralbricks.ovh

Compliance

NeuralBricks complies with the following regulations:

• GDPR (General Data Protection Regulation - EU)
• French Data Protection Act (France)
• Google Play Data Safety (Android privacy policies)
• COPPA (for protection of minors under 13)

Updates to this Policy

This policy may be updated to reflect app changes. Important changes will be notified via the app or email. The last update date is always shown at the top of this document.

Contact

For any questions regarding privacy and your data:

Email: contact@neuralbricks.ovh
Website: https://neuralbricks.ovh

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