# 스터디 AI vs Recall Drill

스터디 AI and Recall Drill 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. 스터디 AI sells 4 in-app purchases, starting at $6.99 per month and Recall Drill sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

스터디 AI ships an update every 6 days, Recall Drill weekly. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 스터디 AI | Recall Drill |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 20 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trend Vibe](https://appshunter.io/developer/1813152500) | [알파루프](https://appshunter.io/developer/1895908497) |

## What reviewers say

### 스터디 AI

[App page](https://appshunter.io/ios/app/ai-pdf/id6760990243)

This AI-powered learning app helps students efficiently organize lecture materials, notes, and recordings. It summarizes complex documents, generates practice quizzes, and offers AI chat support for quick clarification. Features include automatic note-taking from lectures, flashcards, and memorization tools for effective exam preparation.

**Highlights:** AI lecture material summarization, Automatic lecture note-taking, Practice exam generation, Exam paper analysis and problem generation, Flashcard creation for repetition, Memorization notebook, AI chat for study questions, 90+ language support for lecture recording

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Study AI Pro Monthly | $6.99 | per month |
| 스터디 AI Pro | $34.99 | per 6 months |
| Stdy AI Pro Yearly (Promotion) | $44.99 | per year |
| 스터디 AI Pro | $59.99 | per year |


### Recall Drill

[App page](https://appshunter.io/ios/app/recall-drill/id6797267823)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Decks | $3.99 | one-time |


## Frequently asked questions

### Is 스터디 AI free?

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

### Is Recall Drill free?

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

### Do 스터디 AI or Recall Drill have ads?

Neither 스터디 AI nor Recall Drill shows ads.

### Which is updated more often, 스터디 AI or Recall Drill?

스터디 AI ships an update every 6 days, and Recall Drill weekly. Most recently, 스터디 AI was updated on October 25, 2026 and Recall Drill on October 16, 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.*