# Kronos Studio vs SquareWave

The clearest difference is in-app purchases: SquareWave at none against Kronos Studio's 2. Kronos Studio's advantage is update cadence (every 2 days vs every 4 days) and iOS requirement (16.4 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Kronos Studio sells 2 in-app purchases, starting at $7.99 per month. SquareWave asks for nothing beyond the download.

Kronos Studio ships an update every 2 days, SquareWave every 4 days. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Kronos Studio | SquareWave |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Size | 97 MB | 3 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Muller Labs LLC](https://appshunter.io/developer/1884923229) | [XYK LLC](https://appshunter.io/developer/1861941308) |

## What reviewers say

### Kronos Studio

[App page](https://appshunter.io/ios/app/kronos-studio/id6762472031)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kronos Pro Monthly | $7.99 | per month |
| Kronos Pro Yearly | $79.99 | per year |


### SquareWave

[App page](https://appshunter.io/ios/app/squarewave-hiit-timer/id6788647971)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Kronos Studio free?

Kronos Studio is free to download, with in-app purchases available.

### Is SquareWave free?

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

### Do Kronos Studio or SquareWave have ads?

Neither Kronos Studio nor SquareWave shows ads.

### Which is updated more often, Kronos Studio or SquareWave?

Kronos Studio ships an update every 2 days, and SquareWave every 4 days. Most recently, Kronos Studio was updated on September 18, 2026 and SquareWave 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.*