# Stack Plus! vs Number Grouping Puzzle

The clearest difference is in-app purchases: Stack Plus! at none against Number Grouping Puzzle's 1. Stack Plus! also leads on iOS requirement (12.0 vs 15.0). Number Grouping Puzzle's advantage is update cadence (weekly vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Number Grouping Puzzle sells 1 one-off in-app purchase. Stack Plus! asks for nothing beyond the download.

Stack Plus! ships an update monthly, Number Grouping Puzzle weekly. The most recent releases landed on October 10, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Stack Plus! | Number Grouping Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Weekly** |
| Size | 113 MB | 186 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GAMETATOR YAZILIM DANISMANLIK TICARET VE SANAYI ANONIM SIRKETI](https://appshunter.io/developer/1537447753) | [Umut Cakmak](https://appshunter.io/developer/1687371801) |

## What reviewers say

### Stack Plus!

[App page](https://appshunter.io/ios/app/stack-plus/id6736761996)

**Features:** macOS Compatibility

**In-app purchases:** none


### Number Grouping Puzzle

[App page](https://appshunter.io/ios/app/number-grouping-puzzle/id6743176329)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Forced Ads 1 Year | $0.29 | one-time |


## Frequently asked questions

### Is Stack Plus! free?

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

### Is Number Grouping Puzzle free?

Number Grouping Puzzle is free to download, with in-app purchases available.

### Do Stack Plus! or Number Grouping Puzzle have ads?

Both Stack Plus! and Number Grouping Puzzle show ads.

### Which is updated more often, Stack Plus! or Number Grouping Puzzle?

Stack Plus! ships an update monthly, and Number Grouping Puzzle weekly. Most recently, Stack Plus! was updated on October 10, 2026 and Number Grouping Puzzle on October 19, 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.*