# Clam Messenger vs Katt messenger

The clearest difference is in-app purchases: Clam Messenger at none against Katt messenger's 6. Clam Messenger also leads on update cadence (every 3 days vs weekly). Katt messenger's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Katt messenger sells 6 in-app purchases, starting at $4.99 per month. Clam Messenger asks for nothing beyond the download.

Clam Messenger ships an update every 3 days, Katt messenger weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Clam Messenger | Katt messenger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Size | 13 MB | 114 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Sergii Bakhmat](https://appshunter.io/developer/6787350778) | [Andrei Baburin](https://appshunter.io/developer/1723846806) |

## What reviewers say

### Clam Messenger

[App page](https://appshunter.io/ios/app/clam-messenger/id6787350776)

**In-app purchases:** none


### Katt messenger

[App page](https://appshunter.io/ios/app/katt-messenger/id6801121216)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $4.99 | per month |
| Plus | $9.99 | per month |
| Pro | $19.99 | per month |
| 30 tokens | $1.99 | one-time |
| 80 tokens | $4.99 | one-time |
| 180 tokens | $9.99 | one-time |


## Frequently asked questions

### Is Clam Messenger free?

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

### Is Katt messenger free?

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

### Do Clam Messenger or Katt messenger have ads?

Neither Clam Messenger nor Katt messenger shows ads.

### Which is updated more often, Clam Messenger or Katt messenger?

Clam Messenger ships an update every 3 days, and Katt messenger weekly. Most recently, Clam Messenger was updated on October 31, 2026 and Katt messenger on October 31, 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.*