# constant. — Upload. Learn. Remember.

> Upload. Learn. Remember. (iPhone/iPad app by Chun-Huei Liu.)

- Source: https://appshunter.io/ios/app/constant/id6748115880 (this page in markdown: same URL + `.md`)
- Developer: [Chun-Huei Liu](https://appshunter.io/developer/1657411874)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 16.6 · 28 MB
- Languages: American English
- Released: 2025-10-06
- Data updated: 2026-06-23
- User reviews in markdown: https://appshunter.io/ios/app/constant/id6748115880/reviews.md

## What is 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.


## Version history (last 5 releases)

### 2025.11.07 — 2025-11-07

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!

### 2025.10.17 — 2025-10-17

Exciting updates have arrived!
• Import from Anki — bring your decks straight into the app with ease.
• New tutorial overlay — a smoother start for first-time users.
• Enhanced generation glow — a more intuitive and polished experience.
• Feedback section — share your thoughts and help shape future updates.
• Plus, general improvements and bug fixes to keep everything running perfectly.

### 2025.10.13 — 2025-10-14

Experience a smoother, more refined app!
- Enhanced card generation interface for easier selection.
- Pop-up dialogs now feature a sleek blurred background.
- Updated privacy policy link for transparency.
- General performance improvements and bug fixes for a more reliable experience.

### 2025.10.10 — 2025-10-10

"Ask Camel", our new AI chat, is now available!
Enjoy an improved question-answering experience with smoother interactions and animations.
Includes general performance enhancements and bug fixes.

### 2025.10.08 — 2025-10-09

General performance improvements and bug fixes.

## More apps by Chun-Huei Liu

- [GLAUC-STRAT Calc](https://appshunter.io/ios/app/glauc-strat-calc/id6444860662)
- [Cataract Lens](https://appshunter.io/ios/app/cataract-lens/id6447101876)
- [Iris Vision](https://appshunter.io/ios/app/iris-vision/id6499025034)
- [Gym Buddy AI](https://appshunter.io/ios/app/gym-buddy-ai/id6742897962)

All apps by Chun-Huei Liu: https://appshunter.io/developer/1657411874

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-23.*