# Square and Circular vs Shell Shockers

The clearest difference is price: Square and Circular at Free against Shell Shockers's $0.29. Square and Circular also leads on update cadence (every 9 months vs every 33 months). Shell Shockers's advantage is iOS requirement (9.0 vs 12.0). On ads, in-app purchases and device support there is nothing between them.

Square and Circular is free to download; Shell Shockers costs $0.29 up front. Neither carries in-app purchases, so what you see is what you pay.

Square and Circular ships an update every 9 months, Shell Shockers every 33 months. The most recent releases landed on May 17, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Square and Circular | Shell Shockers |
| --- | --- | --- |
| Price | **Free** | $0.29 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 33 months |
| Size | 18 MB | 25 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [娟 杜](https://appshunter.io/developer/974748350) | [Ranz Ursal](https://appshunter.io/developer/1116871834) |

## What reviewers say

### Square and Circular

[App page](https://appshunter.io/ios/app/square-and-circular/id1068916272)

**Features:** macOS Compatibility

**In-app purchases:** none


### Shell Shockers

[App page](https://appshunter.io/ios/app/shell-shockers/id1526050390)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Square and Circular free?

Square and Circular is free to download, with no in-app purchases.

### Is Shell Shockers free?

Shell Shockers costs $0.29, with no in-app purchases.

### Do Square and Circular or Shell Shockers have ads?

Neither Square and Circular nor Shell Shockers shows ads.

### Which is updated more often, Square and Circular or Shell Shockers?

Square and Circular ships an update every 9 months, and Shell Shockers every 33 months. Most recently, Square and Circular was updated on May 17, 2026 and Shell Shockers on September 20, 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.*