# SeaChange vs Kelsius

The clearest difference is iOS requirement: Kelsius at 12.4 against SeaChange's 16.0. On price, update cadence, 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.

SeaChange ships an update every 2 weeks, Kelsius every 3 weeks. The most recent releases landed on October 27, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | SeaChange | Kelsius |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 69 MB | 24 MB |
| Requires iOS | 16.0 | **12.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SEA CHANGE LIMITED](https://appshunter.io/developer/1623797888) | [Frederic Lusson](https://appshunter.io/developer/1700826405) |

## What reviewers say

### SeaChange

[App page](https://appshunter.io/ios/app/seachange/id1623797886)

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

**In-app purchases:** none


### Kelsius

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

**In-app purchases:** none


## Frequently asked questions

### Is SeaChange free?

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

### Is Kelsius free?

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

### Do SeaChange or Kelsius have ads?

Neither SeaChange nor Kelsius shows ads.

### Which is updated more often, SeaChange or Kelsius?

SeaChange ships an update every 2 weeks, and Kelsius every 3 weeks. Most recently, SeaChange was updated on October 27, 2026 and Kelsius on October 12, 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.*