# P.wheel vs YarnMath Studio

The clearest difference is in-app purchases: P.wheel at none against YarnMath Studio's 2. P.wheel also leads on iOS requirement (12.0 vs 15.1). YarnMath Studio's advantage is ads (none vs shown) and update cadence (monthly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. YarnMath Studio sells 2 in-app purchases, starting at $3.99 per month. P.wheel asks for nothing beyond the download.

P.wheel ships an update every 2 months, YarnMath Studio monthly. The most recent releases landed on June 4, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | P.wheel | YarnMath Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/pwheel/id6475672330/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 39 MB | 48 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Wufang Chuanqi iot Technology Co..Ltd.](https://appshunter.io/developer/1656364315) | [SERAP ERKORKMAZ KADOGLU](https://appshunter.io/developer/1880487524) |

## What reviewers say

### P.wheel

[App page](https://appshunter.io/ios/app/pwheel/id6475672330)

Enhance your cycling experience with this e-booster app. It assists cyclists in climbing slopes, accelerating, and extending their riding range. Improve your performance and enjoy longer rides.

**Highlights:** E-booster for cycling, Assists with climbing slopes, Improves acceleration, Extends riding range, For cycling enthusiasts

**Features:** macOS Compatibility

**In-app purchases:** none


### YarnMath Studio

[App page](https://appshunter.io/ios/app/yarnmath-studio/id6759754674)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock YarnMath Studio Pro | $3.99 | per month |
| Unlock YarnMath Studio Pro | $29.99 | per year |


## Frequently asked questions

### Is P.wheel free?

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

### Is YarnMath Studio free?

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

### Do P.wheel or YarnMath Studio have ads?

P.wheel shows ads; YarnMath Studio does not.

### Which is updated more often, P.wheel or YarnMath Studio?

P.wheel ships an update every 2 months, and YarnMath Studio monthly. Most recently, P.wheel was updated on June 4, 2026 and YarnMath Studio on September 15, 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.*