Gradix Privacy Policy
Last updated: October 2026
This policy describes how Gradix, the Qinvix app for exam preparation on iPhone and iPad, handles information.
1. Data controller
Qinvix is an independent mobile app development project.
Contact: [email protected]
2. Data we collect
Qinvix does not collect personal data through Gradix. The app has no user accounts or sign-up, and we have no servers that receive your data.
Study projects, answers, results, profiles (name and avatar) and settings are stored only on your device. They are never sent to Qinvix or to third parties.
3. Files and photos you choose
.gradixprojects: files you import are processed on your device. If you export or share a project (AirDrop, Messages, Files…), you do so with the system's own tools and the recipient is governed by those tools.- Photos: if you pick a photo as an avatar, for a question with an image or to record an exam grade, the app only receives the image you select through the system picker; it does not access the rest of your photo library and the image stays on the device.
- Preparing a project with an AI: the “AI kit” gives you a text template you can copy and use in the AI service of your choice (for example ChatGPT, Claude or Gemini). That conversation takes place outside Gradix and is governed by that service's policy; Gradix sends nothing on your behalf.
- Listening (English): the text is read aloud with the system voice, on the device itself.
4. Third-party services, advertising and analytics
Gradix uses no third-party services, shows no ads, offers no in-app purchases and includes no advertising, analytics or tracking tools. It does not request or use your location, contacts, camera or microphone.
5. App store data
When you download Gradix from the App Store, Apple may collect data under its own policy. That processing is carried out directly by Apple.
6. Children and profiles
Gradix can be used by students of any age, with profiles for several children and a parental gate for deleting or editing. It collects no personal data from any user and contains no links or advertising aimed at children.
7. Your rights and how to delete your data
Since Qinvix keeps no data about you, there is nothing for us to access, correct or delete on your behalf. You can delete projects and profiles in the app, or remove everything by uninstalling it. If you use iCloud or device backups, the app's data may be part of them, under Apple's terms.
8. Changes to this policy
If Gradix adds features that involve processing personal data (for example accounts, sync or AI services), we will update this policy before releasing them. The date of the last revision appears at the top.