# 81 Rush vs Melt Blocks!

The clearest difference is in-app purchases: Melt Blocks! at none against 81 Rush's 3. Melt Blocks! also leads on update cadence (weekly vs fortnightly) and iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 81 Rush sells 3 one-off in-app purchases. Melt Blocks! asks for nothing beyond the download.

81 Rush ships an update fortnightly, Melt Blocks! weekly. Both last shipped on October 1, 2026.

## The numbers

| Metric | 81 Rush | Melt Blocks! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (31 ratings)](https://appshunter.io/ios/app/81-rush/id881743883/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | — |
| Size | 129 MB | 162 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hoang Phan](https://appshunter.io/developer/881747886) | [Iconic Games](https://appshunter.io/developer/1770013763) |

## What reviewers say

### 81 Rush

[App page](https://appshunter.io/ios/app/81-rush/id881743883)

A 9x9 board puzzle game where players tap numbers from 1 to 81 in ascending order. It requires focus, speed, and memory to achieve high scores.

**Highlights:** 9x9 board puzzle, Tap numbers 1-81, Ascending order gameplay, Focus and speed challenge, High score pursuit

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Pass · 1 Month | $0.99 | one-time |
| Ad-Free Pass · 3 Months | $1.99 | one-time |
| No more Ads | $9.99 | one-time |


### Melt Blocks!

[App page](https://appshunter.io/ios/app/melt-blocks/id6759561196)

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

**In-app purchases:** none


## Frequently asked questions

### Is 81 Rush free?

81 Rush is free to download, with in-app purchases available.

### Is Melt Blocks! free?

Melt Blocks! is free to download, with no in-app purchases.

### Do 81 Rush or Melt Blocks! have ads?

Both 81 Rush and Melt Blocks! show ads.

### Which is updated more often, 81 Rush or Melt Blocks!?

81 Rush ships an update fortnightly, and Melt Blocks! weekly. Most recently, 81 Rush was updated on October 1, 2026 and Melt Blocks! on October 1, 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.*