Privacy Policy
Last Updated: January 2026
Sigma AI - Math Solver ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application.
1. Information We Collect
1.1 Information You Provide
- Account Information: Username, email address, full name, telephone number, and password when you register
- Math Problems (Images & Text): Photos you take using the camera or images you upload from your device gallery, along with any text context you provide. These images are transmitted to our servers and third-party AI processors to extract text and provide mathematical solutions.
1.2 Automatically Collected Information
- Device Information: Device type, operating system, app version
- Usage Data: Problems solved, features used, app interactions
- Technical Data: IP address, timestamps, error logs
1.3 Device Permissions
Our app requires certain permissions on your device to function properly:
- Camera Permission: We request access to your device's camera so you can take photos of math problems directly within the app. The images captured using the camera are processed by our AI services to extract text and provide solutions. We do not access your camera in the background or for any other purpose.
- Photo Library / Storage Permission: We request access to your photo library so you can select and upload existing images of math problems.
2. How We Use Your Information
We use the information we collect to:
- Provide and improve our math problem-solving service
- Process and solve math problems using AI technology
- Manage your account and authenticate your identity
- Send verification emails and important notifications
- Respond to your support requests
- Detect and prevent fraud or abuse
- Comply with legal obligations
3. Data Storage and Security
- Your data is stored securely on our servers
- Images are stored using AWS S3 cloud storage
- Passwords are encrypted using industry-standard hashing algorithms
- We use HTTPS encryption for all data transmission
- Access to your data is restricted to authorized personnel only
4. Third-Party Services
We use the following third-party services:
- OpenAI: To process and solve math problems (images and text are sent to OpenAI's API)
- AWS S3: For secure image storage
- Gmail SMTP: For sending verification and notification emails
These services have their own privacy policies. We recommend reviewing them.
5. Data Sharing and Disclosure
We do not sell your personal information. We may share your information only:
- With your explicit consent
- To comply with legal obligations or court orders
- To protect our rights, privacy, safety, or property
- With service providers who assist us in operating the app (under strict confidentiality agreements)
6. Your Rights
You have the right to:
- Access your personal data
- Correct inaccurate data
- Request deletion of your account and data
- Opt out of non-essential communications
- Export your data
To exercise these rights, contact us at sigma.ai.math@gmail.com
7. Children's Privacy
Our app is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you believe we have collected information from a child under 13, please contact us immediately.
8. Data Retention
We retain your information for as long as your account is active or as needed to provide services. You can delete your account at any time, which will remove your personal data, except where we are required to retain it for legal purposes.
9. International Data Transfers
Your information may be transferred to and processed in countries other than your country of residence. We ensure appropriate safeguards are in place to protect your data in accordance with this Privacy Policy.
10. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date. You are advised to review this Privacy Policy periodically.
11. Contact Us
If you have questions about this Privacy Policy or our data practices, please contact us: