# Cup Stack Flow vs Block Loop Sort

The clearest difference is ads: Block Loop Sort at none against Cup Stack Flow's shown. On price, update cadence, 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.

Cup Stack Flow ships an update fortnightly, Block Loop Sort every 9 days. The most recent releases landed on September 20, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Cup Stack Flow | Block Loop Sort |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 9 days** |
| Size | 196 MB | 324 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mehmet Fatih Sahin](https://appshunter.io/developer/1700697055) | [Atta Games Teknoloji Anonim Şirketi](https://appshunter.io/developer/1877848558) |

## What reviewers say

### Cup Stack Flow

[App page](https://appshunter.io/ios/app/cup-stack-flow/id6762182560)

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

**In-app purchases:** none


### Block Loop Sort

[App page](https://appshunter.io/ios/app/block-loop-sort/id6765638724)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cup Stack Flow free?

Cup Stack Flow is free to download, with no in-app purchases.

### Is Block Loop Sort free?

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

### Do Cup Stack Flow or Block Loop Sort have ads?

Cup Stack Flow shows ads; Block Loop Sort does not.

### Which is updated more often, Cup Stack Flow or Block Loop Sort?

Cup Stack Flow ships an update fortnightly, and Block Loop Sort every 9 days. Most recently, Cup Stack Flow was updated on September 20, 2026 and Block Loop Sort on September 13, 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.*