# ColorSudoku+ vs Perfect Stack

The clearest difference is in-app purchases: Perfect Stack at none against ColorSudoku+'s 4. Perfect Stack also leads on update cadence (every 9 days vs every 3 weeks). ColorSudoku+'s advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. ColorSudoku+ sells 4 one-off in-app purchases. Perfect Stack asks for nothing beyond the download.

ColorSudoku+ ships an update every 3 weeks, Perfect Stack every 9 days. The most recent releases landed on October 17, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | ColorSudoku+ | Perfect Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 78 MB | 4 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Naspire Studios](https://appshunter.io/developer/1825437572) | [Berna Ibrahimli](https://appshunter.io/developer/1842394944) |

## What reviewers say

### ColorSudoku+

[App page](https://appshunter.io/ios/app/colorsudoku-plus/id6748359696)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Hints Pack | $0.99 | one-time |
| Medium Hints Pack | $1.99 | one-time |
| Large Hints Pack | $2.99 | one-time |
| Jumbo Hints Pack | $5.99 | one-time |


### Perfect Stack

[App page](https://appshunter.io/ios/app/perfect-stack-offline-games/id6754507785)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ColorSudoku+ free?

ColorSudoku+ is free to download, with in-app purchases available.

### Is Perfect Stack free?

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

### Do ColorSudoku+ or Perfect Stack have ads?

Both ColorSudoku+ and Perfect Stack show ads.

### Which is updated more often, ColorSudoku+ or Perfect Stack?

ColorSudoku+ ships an update every 3 weeks, and Perfect Stack every 9 days. Most recently, ColorSudoku+ was updated on October 17, 2026 and Perfect Stack on September 29, 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.*