# Code Tower vs GemRush Puzzle Challenge

The clearest difference is ads: Code Tower at none against GemRush Puzzle Challenge's shown. GemRush Puzzle Challenge's advantage is update cadence (every 2 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Code Tower ships an update monthly, GemRush Puzzle Challenge every 2 days. The most recent releases landed on October 3, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Code Tower | GemRush Puzzle Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 days** |
| Size | 65 MB | 41 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ementio IT Solutions FlexCo](https://appshunter.io/developer/1792817263) | [Douglas Chinelo Fornaro](https://appshunter.io/developer/1862788092) |

## What reviewers say

### Code Tower

[App page](https://appshunter.io/ios/app/code-tower/id6747756249)

**Features:** macOS Compatibility

**In-app purchases:** none


### GemRush Puzzle Challenge

[App page](https://appshunter.io/ios/app/gemrush-puzzle-challenge/id6763788273)

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

**In-app purchases:** none


## Frequently asked questions

### Is Code Tower free?

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

### Is GemRush Puzzle Challenge free?

GemRush Puzzle Challenge is free to download, with no in-app purchases.

### Do Code Tower or GemRush Puzzle Challenge have ads?

GemRush Puzzle Challenge shows ads; Code Tower does not.

### Which is updated more often, Code Tower or GemRush Puzzle Challenge?

Code Tower ships an update monthly, and GemRush Puzzle Challenge every 2 days. Most recently, Code Tower was updated on October 3, 2026 and GemRush Puzzle Challenge on September 28, 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.*