# duet.by.me vs Douss

The clearest difference is ads: Douss at none against duet.by.me's shown. duet.by.me's advantage is iOS requirement (13.6 vs 15.1). On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on September 10, 2026.

## The numbers

| Metric | duet.by.me | Douss |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 123 MB | 31 MB |
| Requires iOS | **13.6** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ARMAN, OOO](https://appshunter.io/developer/1508479610) | [Daniel Inacio](https://appshunter.io/developer/1462596816) |

## What reviewers say

### duet.by.me

[App page](https://appshunter.io/ios/app/duetbyme/id1508481589)

**In-app purchases:** none


### Douss

[App page](https://appshunter.io/ios/app/douss/id6742361031)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is duet.by.me free?

duet.by.me is free to download, with no in-app purchases.

### Is Douss free?

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

### Do duet.by.me or Douss have ads?

duet.by.me shows ads; Douss does not.

### Which is updated more often, duet.by.me or Douss?

duet.by.me ships an update every 3 weeks, and Douss every 3 weeks. Most recently, duet.by.me was updated on September 10, 2026 and Douss on September 10, 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.*