# Cap Sort vs Stack Up Circle

The clearest difference is update cadence: Stack Up Circle at every 5 days against Cap Sort's every 9 months. Stack Up Circle also leads on iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Cap Sort ships an update every 9 months, Stack Up Circle every 5 days. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Cap Sort | Stack Up Circle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/cap-sort/id6472635574/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 251 MB | 87 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RUFF GAMES OYUN YAZILIM VE PAZARLAMA ANONIM SIRKETI](https://appshunter.io/developer/1560677927) | [Rootcraft](https://appshunter.io/developer/1370994577) |

## What reviewers say

### Cap Sort

[App page](https://appshunter.io/ios/app/cap-sort/id6472635574)

Arrange and match identical caps on a board to reach level objectives. This puzzle game challenges your sorting and matching skills.

**Highlights:** Sort caps by type, Match identical caps, Complete level objectives, Progress through levels

**Features:** macOS Compatibility

**In-app purchases:** none


### Stack Up Circle

[App page](https://appshunter.io/ios/app/stack-up-circle/id6473114736)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cap Sort free?

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

### Is Stack Up Circle free?

Stack Up Circle is free to download, with no in-app purchases.

### Do Cap Sort or Stack Up Circle have ads?

Both Cap Sort and Stack Up Circle show ads.

### Which is updated more often, Cap Sort or Stack Up Circle?

Cap Sort ships an update every 9 months, and Stack Up Circle every 5 days. Most recently, Cap Sort was updated on October 2, 2026 and Stack Up Circle on October 1, 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.*