# UdApp vs Testbusters

The clearest difference is update cadence: Testbusters at every 3 weeks against UdApp's every 3 months. UdApp's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UdApp ships an update every 3 months, Testbusters every 3 weeks. The most recent releases landed on September 10, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | UdApp | Testbusters |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/testbusters/id6754759157/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Ad-supported |
| Size | 16 MB | 39 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Easystaff S.r.l.](https://appshunter.io/developer/1170587182) | [Squezy S.R.L.](https://appshunter.io/developer/1338710332) |

## What reviewers say

### UdApp

[App page](https://appshunter.io/ios/app/udapp/id6720754709)

**Features:** macOS Compatibility

**In-app purchases:** none


### Testbusters

[App page](https://appshunter.io/ios/app/testbusters/id6754759157)

Prepare for university admission tests with a comprehensive simulator featuring thousands of updated questions. Track your progress with detailed statistics and practice anytime, anywhere. Offers free simulations to discover the study method.

**Highlights:** Thousands of updated admission test questions, Realistic simulation experience, Detailed progress statistics, Practice anytime, anywhere, Synchronization with web app, Free simulation selection

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

**In-app purchases:** none


## Frequently asked questions

### Is UdApp free?

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

### Is Testbusters free?

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

### Do UdApp or Testbusters have ads?

Neither UdApp nor Testbusters shows ads.

### Which is updated more often, UdApp or Testbusters?

UdApp ships an update every 3 months, and Testbusters every 3 weeks. Most recently, UdApp was updated on September 10, 2026 and Testbusters on September 6, 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.*