# AI공부노트 vs ProblemShorts

The clearest difference is ads: AI공부노트 at none against ProblemShorts's shown. On price, update cadence, 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 ProblemShorts sells 1 in-app purchase, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

AI공부노트 ships an update every 10 days, ProblemShorts every 2 weeks. The most recent releases landed on October 12, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | AI공부노트 | ProblemShorts |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Size | 115 MB | 43 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SNA](https://appshunter.io/developer/465897855) | [AKA SOFT](https://appshunter.io/developer/1826018040) |

## 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 |


### ProblemShorts

[App page](https://appshunter.io/ios/app/problemshorts/id6743131508)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 베이직 30일 구독 | $6.99 | per month |


## Frequently asked questions

### Is AI공부노트 free?

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

### Is ProblemShorts free?

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

### Do AI공부노트 or ProblemShorts have ads?

ProblemShorts shows ads; AI공부노트 does not.

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

AI공부노트 ships an update every 10 days, and ProblemShorts every 2 weeks. Most recently, AI공부노트 was updated on October 12, 2026 and ProblemShorts 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.*