constant.
Chun-Huei Liu Education iPhoneiPadiPod touch
constant. is a free Education app for iPhone and iPad by Chun-Huei Liu. Requires iOS 16.6. Updated November 7, 2025.
- Price
- Free
- on the App Store
- Size
- 28 MB
- Age 4+
- Updated
- Nov 7
- 2025 · v2025.11.07
Screenshots
About constant.
constant. makes studying effortless. Upload your notes, textbooks, slides, or PDFs and let AI instantly generate questions for you. No more wasting time creating flashcards - just start learning. - Instant question decks from your own material - Interactive "Ask Camel" AI Chat to explain answers and follow-up questions - Spaced repetition to boost memory and recall - Search and share public decks - Study smarter, not longer With constant., you focus on learning - AI handles the prep.
What’s new
Version 2025.11.07 · Updated November 7, 2025
Big update! • Search and share public decks directly in the app • Create folders and subdecks for better organisation • Focus Mode to help you limit distracting app usage • Fresh, improved UI and smoother UX • Tons of new functions and quality-of-life upgrades throughout Explore the new update and make your decks more powerful than ever!
App privacy
The developer, Chun-Huei Liu, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Contact Info: Email Address
- User Content: Photos or Videos
Used for: App Functionality
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| constant. | – | Free | November 7, 2025 | |
| BPT Buddy | – | Free | Jan 2, 2026 | Compare |
| Deckbase: AI Flashcard Maker | – | Free | Oct 26, 2026 | Compare |
| Clinical Learning Australia | – | Free | Oct 26, 2026 | Compare |
| Verbs in French | 5.0 / 5 (4) | Free | Aug 18, 2026 | Compare |
| myCPD | – | Free | Sep 15, 2026 | Compare |
| MemU — Flashcard 2.0 | 4.8 / 5 (4) | Free | Oct 3, 2026 | Compare |
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