# SpoolThreStu vs Hue Flow Puzzle

The clearest difference is ads: Hue Flow Puzzle at none against SpoolThreStu's shown. Hue Flow Puzzle also leads on update cadence (every 2 days vs every 9 days) and iOS requirement (12.0 vs 14). On price, 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.

SpoolThreStu ships an update every 9 days, Hue Flow Puzzle every 2 days. Both last shipped on October 17, 2026.

## The numbers

| Metric | SpoolThreStu | Hue Flow Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 2 days** |
| Size | 40 MB | 71 MB |
| Requires iOS | 14 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kamini Triparthy](https://appshunter.io/developer/1872562141) | [文惠 周](https://appshunter.io/developer/1801975703) |

## What reviewers say

### SpoolThreStu

[App page](https://appshunter.io/ios/app/spoolthrestu/id6758364404)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hue Flow Puzzle

[App page](https://appshunter.io/ios/app/hue-flow-puzzle/id6760697657)

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

**In-app purchases:** none


## Frequently asked questions

### Is SpoolThreStu free?

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

### Is Hue Flow Puzzle free?

Hue Flow Puzzle is free to download, with no in-app purchases.

### Do SpoolThreStu or Hue Flow Puzzle have ads?

SpoolThreStu shows ads; Hue Flow Puzzle does not.

### Which is updated more often, SpoolThreStu or Hue Flow Puzzle?

SpoolThreStu ships an update every 9 days, and Hue Flow Puzzle every 2 days. Most recently, SpoolThreStu was updated on October 17, 2026 and Hue Flow Puzzle on October 17, 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.*