# OpenTutor vs Test Study AI

The clearest difference is in-app purchases: OpenTutor at none against Test Study AI's 6. OpenTutor also leads on iOS requirement (12.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Test Study AI sells 6 in-app purchases, starting at $1.99 per 7 days. OpenTutor asks for nothing beyond the download.

OpenTutor ships an update every 9 days, Test Study AI every 8 days. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | OpenTutor | Test Study AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 34 MB | 30 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Islam Music](https://appshunter.io/developer/1486093325) | [Kazumasa Shimomura](https://appshunter.io/developer/1110502851) |

## What reviewers say

### OpenTutor

[App page](https://appshunter.io/ios/app/opentutor/id6444727590)

**Features:** macOS Compatibility

**In-app purchases:** none


### Test Study AI

[App page](https://appshunter.io/ios/app/test-study-ai-notes-to-quiz/id6448994105)

Transform your handwritten notes and handouts into effective study materials. This AI-powered tool generates summaries, flashcards, and quizzes from photos of your study content, helping you memorize and test your knowledge.

**Highlights:** Photo to study material conversion, AI-generated summaries, Red-sheet memorization cards, Quick quiz generation, Follow-up question support, 24/7 availability

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $1.99 | per 7 days |
| コインパック10pt | $0.99 | one-time |
| コインパック50 + 5pt | $2.99 | one-time |
| コインパック120 + 30pt | $5.99 | one-time |
| コインパック280 + 80pt | $11.99 | one-time |
| コインパック600 + 200pt | $22.99 | one-time |


## Frequently asked questions

### Is OpenTutor free?

OpenTutor is free to download, with no in-app purchases.

### Is Test Study AI free?

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

### Do OpenTutor or Test Study AI have ads?

Neither OpenTutor nor Test Study AI shows ads.

### Which is updated more often, OpenTutor or Test Study AI?

OpenTutor ships an update every 9 days, and Test Study AI every 8 days. Most recently, OpenTutor was updated on October 18, 2026 and Test Study AI on October 8, 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.*