# Ergometer Space vs SquareWave

The clearest difference is iOS requirement: Ergometer Space at 11.0 against SquareWave's 26.0. 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.

Ergometer Space ships an update every 6 days, SquareWave every 4 days. The most recent releases landed on September 6, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Ergometer Space | SquareWave |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Size | 64 MB | 3 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Tijmen van Gulik](https://appshunter.io/developer/1548193190) | [XYK LLC](https://appshunter.io/developer/1861941308) |

## What reviewers say

### Ergometer Space

[App page](https://appshunter.io/ios/app/ergometer-space/id1548193188)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Ergometer Space free?

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

### Is SquareWave free?

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

### Do Ergometer Space or SquareWave have ads?

Neither Ergometer Space nor SquareWave shows ads.

### Which is updated more often, Ergometer Space or SquareWave?

Ergometer Space ships an update every 6 days, and SquareWave every 4 days. Most recently, Ergometer Space was updated on September 6, 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.*