# myUBU vs RevisionSuccess

The clearest difference is in-app purchases: myUBU at none against RevisionSuccess's 2. myUBU also leads on iOS requirement (13.0 vs 16.4). RevisionSuccess's advantage is update cadence (every 9 days vs every 12 months). On price, ads and device support there is nothing between them.

Both are free to download. RevisionSuccess sells 2 in-app purchases, starting at $12.00 per month. myUBU asks for nothing beyond the download.

myUBU ships an update every 12 months, RevisionSuccess every 9 days. The most recent releases landed on September 23, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | myUBU | RevisionSuccess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/revisionsuccess-ai-study-app/id6776130065/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 70 MB | 44 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [UBON RATCHATHANI UNIVERSITY](https://appshunter.io/developer/1628964343) | [REVISIONSUCCESS COMPANY LIMITED](https://appshunter.io/developer/6776130277) |

## What reviewers say

### myUBU

[App page](https://appshunter.io/ios/app/myubu/id1628964341)

**Features:** macOS Compatibility

**In-app purchases:** none


### RevisionSuccess

[App page](https://appshunter.io/ios/app/revisionsuccess-ai-study-app/id6776130065)

Transform your study materials into a personalized learning system with AI. Generate study plans, interactive lessons, quizzes, and flashcards from your own notes and documents. Get instant answers from an AI tutor and master your subjects faster.

**Highlights:** AI-generated study plans, Interactive lessons and flashcards, Smart quizzes with instant feedback, AI tutor for instant answers, Upload personal study materials, Classroom management for teachers

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $12.00 | per month |
| Pro Annual | $99.00 | per year |


## Frequently asked questions

### Is myUBU free?

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

### Is RevisionSuccess free?

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

### Do myUBU or RevisionSuccess have ads?

Neither myUBU nor RevisionSuccess shows ads.

### Which is updated more often, myUBU or RevisionSuccess?

myUBU ships an update every 12 months, and RevisionSuccess every 9 days. Most recently, myUBU was updated on September 23, 2026 and RevisionSuccess on September 7, 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.*