# GridZen 2 vs Bottle Forge

The clearest difference is in-app purchases: Bottle Forge at none against GridZen 2's 1. Bottle Forge also leads on update cadence (every 10 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GridZen 2 sells 1 one-off in-app purchase. Bottle Forge asks for nothing beyond the download.

GridZen 2 ships an update every 3 weeks, Bottle Forge every 10 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GridZen 2 | Bottle Forge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gridzen-2/id6749806311/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Ad-supported | — |
| Size | 60 MB | 92 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Steven Reitz](https://appshunter.io/developer/1803678977) | [MELIH BALTA](https://appshunter.io/developer/1860337013) |

## What reviewers say

### GridZen 2

[App page](https://appshunter.io/ios/app/gridzen-2/id6749806311)

This is a sliding puzzle game where you rearrange numbered tiles to put them in order. It offers multiple difficulty levels, timed challenges, and tracks your high scores. Enjoy vibrant colors and smooth animations in this brain-training experience.

**Highlights:** Multiple difficulty levels (4x4, 5x5, 6x6), Timed challenges, Personal high score tracking, Dynamically generated colors, Dark mode support, Offline play

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Bottle Forge

[App page](https://appshunter.io/ios/app/bottle-forge-merge-puzzle/id6790500470)

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

**In-app purchases:** none


## Frequently asked questions

### Is GridZen 2 free?

GridZen 2 is free to download, with in-app purchases available.

### Is Bottle Forge free?

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

### Do GridZen 2 or Bottle Forge have ads?

Both GridZen 2 and Bottle Forge show ads.

### Which is updated more often, GridZen 2 or Bottle Forge?

GridZen 2 ships an update every 3 weeks, and Bottle Forge every 10 days. Most recently, GridZen 2 was updated on October 30, 2026 and Bottle Forge on October 24, 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.*