# Duon vs TrenKo

The clearest difference is in-app purchases: Duon at none against TrenKo's 3. Duon also leads on iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. TrenKo sells 3 one-off in-app purchases. Duon asks for nothing beyond the download.

## The numbers

| Metric | Duon | TrenKo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Size | 50 MB | 5 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DUON](https://appshunter.io/developer/1782131775) | [Enrico Miguel Velasquez](https://appshunter.io/developer/1866371720) |

## What reviewers say

### Duon

[App page](https://appshunter.io/ios/app/duon/id6738743494)

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

**In-app purchases:** none


### TrenKo

[App page](https://appshunter.io/ios/app/trenko/id6757361475)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $3.99 | one-time |
| Large Tip | $5.99 | one-time |


## Frequently asked questions

### Is Duon free?

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

### Is TrenKo free?

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

### Do Duon or TrenKo have ads?

Neither Duon nor TrenKo 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.*