# Onilo vs Testcenter

The clearest difference is iOS requirement: Testcenter at 12.0 against Onilo's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on May 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Onilo | Testcenter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 22 MB | 288 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [StoryDOCKS GmbH](https://appshunter.io/developer/1523051642) | [Meister Cody GmbH](https://appshunter.io/developer/375722954) |

## What reviewers say

### Onilo

[App page](https://appshunter.io/ios/app/onilo/id1523051643)

**In-app purchases:** none


### Testcenter

[App page](https://appshunter.io/ios/app/testcenter-diagnose-meistern/id6460859805)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Onilo free?

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

### Is Testcenter free?

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

### Do Onilo or Testcenter have ads?

Neither Onilo nor Testcenter shows ads.

### Which is updated more often, Onilo or Testcenter?

Onilo ships an update every 3 months, and Testcenter every 3 months. Most recently, Onilo was updated on May 17, 2026 and Testcenter on September 19, 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.*