# My OpenCrab vs Crab Tower

My OpenCrab and Crab Tower are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | My OpenCrab | Crab Tower |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | — | Every 2 weeks |
| Size | 35 MB | 137 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Daichi Watanabe](https://appshunter.io/developer/1889830619) | [RESTPLACE, K.K.](https://appshunter.io/developer/6801984652) |

## What reviewers say

### My OpenCrab

[App page](https://appshunter.io/ios/app/my-opencrab/id6761470567)

**Features:** macOS Compatibility

**In-app purchases:** none


### Crab Tower

[App page](https://appshunter.io/ios/app/crab-tower-stack-and-balance/id6814032373)

**In-app purchases:** none


## Frequently asked questions

### Is My OpenCrab free?

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

### Is Crab Tower free?

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

### Do My OpenCrab or Crab Tower have ads?

Both My OpenCrab and Crab Tower show ads.

---

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