# Volumi vs ServiceTests

The clearest difference is in-app purchases: ServiceTests at none against Volumi's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Volumi sells 1 one-off in-app purchase. ServiceTests asks for nothing beyond the download.

## The numbers

| Metric | Volumi | ServiceTests |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Size | 2 MB | 12 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [波 张](https://appshunter.io/developer/6777857130) | [Thanh Nguyen](https://appshunter.io/developer/6777103907) |

## What reviewers say

### Volumi

[App page](https://appshunter.io/ios/app/volumi/id6779463025)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Volumi Pro | $1.99 | one-time |


### ServiceTests

[App page](https://appshunter.io/ios/app/servicetests/id6790297735)

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

**In-app purchases:** none


## Frequently asked questions

### Is Volumi free?

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

### Is ServiceTests free?

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

### Do Volumi or ServiceTests have ads?

Neither Volumi nor ServiceTests 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.*