# 달달암기 vs AI Study Sheet

달달암기 and AI Study Sheet are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 달달암기 sells 2 in-app purchases, starting at $4.99 per month and AI Study Sheet sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

달달암기 ships an update every 6 days, AI Study Sheet every 4 days. The most recent releases landed on October 28, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | 달달암기 | AI Study Sheet |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 9 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hyeonju Kim](https://appshunter.io/developer/6796636803) | [Masaki Iino](https://appshunter.io/developer/6778272211) |

## What reviewers say

### 달달암기

[App page](https://appshunter.io/ios/app/id6777350497)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 베이직 | $4.99 | per month |
| 프리미엄 | $8.99 | per month |


### AI Study Sheet

[App page](https://appshunter.io/ios/app/ai-study-sheet-flashcards/id6782023263)

Transform your study materials into interactive flashcards without retyping. This app uses AI to hide key terms in photos and PDFs, helping you memorize information for exams and courses. It offers customizable study modes and personalized review recommendations.

**Highlights:** AI-powered term masking, Import from photos and PDFs, Customizable study modes, Personalized review recommendations, Organize with folders and search, Share editable study materials, On-device AI processing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Saves | $4.99 | one-time |


## Frequently asked questions

### Is 달달암기 free?

달달암기 is free to download, with in-app purchases available.

### Is AI Study Sheet free?

AI Study Sheet is free to download, with in-app purchases available.

### Do 달달암기 or AI Study Sheet have ads?

Neither 달달암기 nor AI Study Sheet shows ads.

### Which is updated more often, 달달암기 or AI Study Sheet?

달달암기 ships an update every 6 days, and AI Study Sheet every 4 days. Most recently, 달달암기 was updated on October 28, 2026 and AI Study Sheet on November 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*