# Multitone Messenger vs Kelsius

The clearest difference is update cadence: Kelsius at every 3 weeks against Multitone Messenger's every 4 months. Kelsius also leads on iOS requirement (12.4 vs 14.0). On price, ads, 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.

Multitone Messenger ships an update every 4 months, Kelsius every 3 weeks. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Multitone Messenger | Kelsius |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 59 MB | 24 MB |
| Requires iOS | 14.0 | **12.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Multitone Electronics Plc](https://appshunter.io/developer/820925320) | [Frederic Lusson](https://appshunter.io/developer/1700826405) |

## What reviewers say

### Multitone Messenger

[App page](https://appshunter.io/ios/app/multitone-messenger/id1483759097)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kelsius

[App page](https://appshunter.io/ios/app/kelsius/id6457253123)

**In-app purchases:** none


## Frequently asked questions

### Is Multitone Messenger free?

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

### Is Kelsius free?

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

### Do Multitone Messenger or Kelsius have ads?

Neither Multitone Messenger nor Kelsius shows ads.

### Which is updated more often, Multitone Messenger or Kelsius?

Multitone Messenger ships an update every 4 months, and Kelsius every 3 weeks. Most recently, Multitone Messenger was updated on October 29, 2026 and Kelsius on October 27, 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.*