# RowErgoMeterTimerPro vs SquareWave

The clearest difference is in-app purchases: SquareWave at none against RowErgoMeterTimerPro's 8. SquareWave also leads on update cadence (every 4 days vs monthly). RowErgoMeterTimerPro's advantage is device support (4 vs 2) and iOS requirement (16.2 vs 26.0). On price and ads there is nothing between them.

Both are free to download. RowErgoMeterTimerPro sells 8 in-app purchases, starting at $0.99 per month. SquareWave asks for nothing beyond the download.

RowErgoMeterTimerPro ships an update monthly, SquareWave every 4 days. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | RowErgoMeterTimerPro | SquareWave |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 3 MB | 3 MB |
| Requires iOS | **16.2** | 26.0 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Huib Cuperus](https://appshunter.io/developer/1335218323) | [XYK LLC](https://appshunter.io/developer/1861941308) |

## What reviewers say

### RowErgoMeterTimerPro

[App page](https://appshunter.io/ios/app/rowergometertimerpro/id1546956874)

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly All Features | $0.99 | per month |
| 1 months Unlimited Workouts | $0.99 | per month |
| 1 months Export/Import Workout | $0.99 | per month |
| 1 months Live BPM/SPM data | $0.99 | per month |
| Yearly All Features | $7.99 | per year |
| 1 year Unlimited Workouts | $7.99 | per year |
| 1 year Export/Import Workouts | $7.99 | per year |
| 1 year Live BPM/SPM data | $7.99 | 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 RowErgoMeterTimerPro free?

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

### Is SquareWave free?

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

### Do RowErgoMeterTimerPro or SquareWave have ads?

Neither RowErgoMeterTimerPro nor SquareWave shows ads.

### Which is updated more often, RowErgoMeterTimerPro or SquareWave?

RowErgoMeterTimerPro ships an update monthly, and SquareWave every 4 days. Most recently, RowErgoMeterTimerPro was updated on September 9, 2026 and SquareWave on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*