Certly — study app for AI certifications
Last updated: 15 August 2026
None. The app collects and transmits no personal information — no name, email address, phone number, location, or device identifier. You never create an account or sign in.
We run no usage analytics, send no crash reports, serve no advertising, and permit no third-party tracking.
To keep your progress, the app stores the following on your device only. None of it is transmitted to the developer or to any third party.
| Study records | Answer history, correctness, self-assessments, next review dates, estimated score |
|---|---|
| Reading records | Which textbook sections you have read, highlights, notes, bookmarks |
| Your own entries | Terms and definitions you add to the glossary yourself |
| Settings | Display language, colour theme, text size, notification settings, selected exam |
Deleting the app erases all of it from your device. We hold no backup, so it cannot be restored.
All study features work offline. Questions, textbook, and glossary ship inside the app, so no connection is needed to use it.
Network activity occurs only in these cases.
| Opening a source link | Tapping a source URL attached to a question or textbook section opens your default browser. Once there, that site's own privacy policy applies |
|---|---|
| Requesting a review | The app may present the App Store review prompt. This is an Apple feature; the developer receives no personal information from it |
| In-app purchases (future) | The current version contains no in-app purchases. Should any be added, Apple processes all payments and the developer never receives your payment details |
On the browser (web) version, fonts required for Japanese text may be loaded from Google's font service.
Review reminders are generated entirely on your device. No push notification server is involved, so nothing about you is sent anywhere to deliver them. You can turn notifications off at any time in your device settings.
Since we collect nothing, there is nothing to share. We never sell, share, or lease information of any kind.
The app collects no personal information from anyone, at any age, and therefore collects none from children under 13.
If this policy changes, we will update this page and revise the date above. Any change to what is collected will be announced with the app update that introduces it.
Questions about this policy are welcome at
nzw.dev@gmail.com
Certly is an unofficial study tool and is not affiliated with Anthropic. Anthropic and Claude are trademarks of Anthropic PBC. Every question is original, written from the publicly available exam guide and official documentation, and none are real exam questions.