# TerraTest App vs TOP

The clearest difference is iOS requirement: TOP at 9.0 against TerraTest App's 13.0. 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.

## The numbers

| Metric | TerraTest App | TOP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 35 MB | 13 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [TERRATEST GmbH](https://appshunter.io/developer/1237536504) | [List-Magnetik GmbH](https://appshunter.io/developer/1648284744) |

## What reviewers say

### TerraTest App

[App page](https://appshunter.io/ios/app/terratest-app/id1237536505)

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

**In-app purchases:** none


### TOP

[App page](https://appshunter.io/ios/app/top-check-ble/id1659832821)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TerraTest App free?

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

### Is TOP free?

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

### Do TerraTest App or TOP have ads?

Neither TerraTest App nor TOP shows ads.

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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.*