# AI공부노트 vs 벼락치기AI

The clearest difference is update cadence: 벼락치기AI at every 3 days against AI공부노트's every 10 days. AI공부노트's advantage is iOS requirement (16.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI공부노트 sells 4 one-off in-app purchases and 벼락치기AI sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

AI공부노트 ships an update every 10 days, 벼락치기AI every 3 days. The most recent releases landed on October 12, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | AI공부노트 | 벼락치기AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 42.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 115 MB | 38 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SNA](https://appshunter.io/developer/465897855) | [2Labs](https://appshunter.io/developer/1089573745) |

## What reviewers say

### AI공부노트

[App page](https://appshunter.io/ios/app/ai/id6505056073)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 | $0.49 | one-time |
| 50 | $2.99 | one-time |
| 100 | $5.99 | one-time |
| 500 | $29.99 | one-time |


### 벼락치기AI

[App page](https://appshunter.io/ios/app/ai-pdf/id6759626655)

This AI-powered study tool helps university students prepare for exams by analyzing lecture materials. It automatically generates summaries, flashcards, quizzes, and mock tests from uploaded PDFs and PPTs, focusing on high-probability exam topics.

**Highlights:** AI-powered exam summaries, Key topic identification, Flashcard generation, Automatic quiz creation, Mock test generation, Error analysis notebook, Study progress checklist

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 벼락치기AI Pro 월간 플랜 | $9.99 | per month |
| 벼락치기AI Pro 연간 플랜 | $89.99 | per year |


## Frequently asked questions

### Is AI공부노트 free?

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

### Is 벼락치기AI free?

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

### Do AI공부노트 or 벼락치기AI have ads?

Neither AI공부노트 nor 벼락치기AI shows ads.

### Which is updated more often, AI공부노트 or 벼락치기AI?

AI공부노트 ships an update every 10 days, and 벼락치기AI every 3 days. Most recently, AI공부노트 was updated on October 12, 2026 and 벼락치기AI on October 28, 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.*