# Fill In Puzzles vs Stack Rush

The clearest difference is in-app purchases: Stack Rush at none against Fill In Puzzles's 7. Stack Rush also leads on update cadence (weekly vs every 14 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Fill In Puzzles sells 7 one-off in-app purchases. Stack Rush asks for nothing beyond the download.

Fill In Puzzles ships an update every 14 months, Stack Rush weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Fill In Puzzles | Stack Rush |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/fill-in-puzzles/id1573702021/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 14 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 72 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PLAYTOUCH](https://appshunter.io/developer/608330754) | [URANI SOFTWARE SOLUTIONS COMPANY LIMITED](https://appshunter.io/developer/1698507389) |

## What reviewers say

### Fill In Puzzles

[App page](https://appshunter.io/ios/app/fill-in-puzzles/id1573702021)

A simple and satisfying puzzle game where you fill grids with colors. Drag colors to the grid, matching the number to the boxes you need to fill. Enjoy fast-paced, easy, and fun gameplay.

**Highlights:** Grid-based color filling, Drag and drop mechanics, Simple and intuitive gameplay, Satisfying visual experience, Fast-paced levels

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 diamonds | $0.99 | one-time |
| 300 diamonds | $1.99 | one-time |
| Remove all ADS from the game | $1.99 | one-time |
| 550 diamonds | $3.99 | one-time |
| 1200 diamonds | $8.99 | one-time |
| 2500 diamonds | $17.99 | one-time |
| 4000 diamonds | $26.99 | one-time |


### Stack Rush

[App page](https://appshunter.io/ios/app/stack-rush-merge-number-games/id6761812896)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fill In Puzzles free?

Fill In Puzzles is free to download, with in-app purchases available.

### Is Stack Rush free?

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

### Do Fill In Puzzles or Stack Rush have ads?

Both Fill In Puzzles and Stack Rush show ads.

### Which is updated more often, Fill In Puzzles or Stack Rush?

Fill In Puzzles ships an update every 14 months, and Stack Rush weekly. Most recently, Fill In Puzzles was updated on November 3, 2026 and Stack Rush on November 5, 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.*