# UMNION® vs chatlyn

The clearest difference is update cadence: chatlyn at monthly against UMNION®'s every 4 months. UMNION®'s advantage is device support (3 vs 1) and iOS requirement (11.1 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UMNION® ships an update every 4 months, chatlyn monthly. The most recent releases landed on May 16, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | UMNION® | chatlyn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 35 MB | 89 MB |
| Requires iOS | **11.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [UMNION GmbH](https://appshunter.io/developer/560545516) | [Chatlyn](https://appshunter.io/developer/1667253032) |

## What reviewers say

### UMNION®

[App page](https://appshunter.io/ios/app/umnion/id1483023461)

**Features:** macOS Compatibility

**In-app purchases:** none


### chatlyn

[App page](https://appshunter.io/ios/app/chatlyn/id6738500547)

**In-app purchases:** none


## Frequently asked questions

### Is UMNION® free?

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

### Is chatlyn free?

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

### Do UMNION® or chatlyn have ads?

Neither UMNION® nor chatlyn shows ads.

### Which is updated more often, UMNION® or chatlyn?

UMNION® ships an update every 4 months, and chatlyn monthly. Most recently, UMNION® was updated on May 16, 2026 and chatlyn on August 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*