# ServiceTests vs Duyarim

The clearest difference is in-app purchases: ServiceTests at none against Duyarim's 3. Duyarim's advantage is update cadence (every 2 days vs every 6 weeks) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Duyarim sells 3 in-app purchases, starting at $4.99 per 7 days. ServiceTests asks for nothing beyond the download.

ServiceTests ships an update every 6 weeks, Duyarim every 2 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | ServiceTests | Duyarim |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Size | 12 MB | 40 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Thanh Nguyen](https://appshunter.io/developer/6777103907) | [Mustafa Demir](https://appshunter.io/developer/1658314272) |

## What reviewers say

### ServiceTests

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

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

**In-app purchases:** none


### Duyarim

[App page](https://appshunter.io/ios/app/duyarim-hear-it/id6796366665)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is ServiceTests free?

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

### Is Duyarim free?

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

### Do ServiceTests or Duyarim have ads?

Neither ServiceTests nor Duyarim shows ads.

### Which is updated more often, ServiceTests or Duyarim?

ServiceTests ships an update every 6 weeks, and Duyarim every 2 days. Most recently, ServiceTests was updated on November 5, 2026 and Duyarim on November 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.*