# Merge Puzzle Game vs Block Stack

Merge Puzzle Game and Block Stack both sit at 4.9 stars, but that hides the real split: 100% of Block Stack's written reviews are positive against 51% of Merge Puzzle Game's. Block Stack also leads on in-app purchases (none vs 12) and ads (none vs shown). Merge Puzzle Game's advantage is ratings volume (16K vs 3) and device support (3 vs 1). On price and rating there is nothing between them.

Both are free to download. Merge Puzzle Game sells 12 in-app purchases, starting at $4.99 per 7 days. Block Stack asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Merge Puzzle Game against 5.0 for Block Stack. That said, the two scores are not equally well evidenced: Merge Puzzle Game has 16K ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 51% of Merge Puzzle Game's written reviews are positive against 100% of Block Stack's.

Merge Puzzle Game ships an update monthly, Block Stack every 10 days. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Merge Puzzle Game | Block Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (16K ratings)](https://appshunter.io/ios/app/merge-puzzle-game-m2-blocks/id1620319602/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/block-stack-tower-physics/id6759821751/reviews)** |
| Number of ratings | **16K** | 3 |
| Positive reviews | 51.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 172 MB | 1 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Guru Smart Holding Limited](https://appshunter.io/developer/1499790773) | [CyberGame Limited](https://appshunter.io/developer/1778824442) |

## What reviewers say

### Merge Puzzle Game

[App page](https://appshunter.io/ios/app/merge-puzzle-game-m2-blocks/id1620319602)

This is a relaxing puzzle game where you merge numbered blocks to create higher numbers. Train your brain with addictive gameplay and a simple, beautiful design. Enjoy an infinite mode with no time limits and helpful boosters.

**Highlights:** Merge numbered blocks, Train your brain, Infinite mode, No timer, Amazing boosters, Simple, beautiful design

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| M2 Blocks Weekly Premium | $4.99 | per 7 days |
| XS GEM PACK | $0.99 | one-time |
| M GEM SALE | $1.99 | one-time |
| Beginner Package | $1.99 | one-time |
| S GEM PACK | $2.99 | one-time |
| L GEM SALE | $3.99 | one-time |
| M GEM PACK | $4.99 | one-time |
| Remove Ads | $6.99 | one-time |
| Gem Boost | $7.99 | one-time |
| L GEM PACK | $9.99 | one-time |
| XL GEM PACK | $24.99 | one-time |
| XXL GEM PACK | $49.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive gameplay
- 💡 Challenging and engaging
- 🧠 Helps improve math skills

**What reviewers complain about**

- 🚧 Excessive and intrusive ads
- 🤯 Ads disrupt gameplay and flow
- 🔋 Ads drain battery life

**Reported bugs**

- Ads cause game to crash or freeze
- Ads randomly interrupt Spotify music playback

**Requested features**

- Reduce frequency and duration of ads
- Offer ad-free premium version
- Add option to track high scores


### Block Stack

[App page](https://appshunter.io/ios/app/block-stack-tower-physics/id6759821751)

A physics-based stacking game where you build towers as high as possible without letting them fall. Experience realistic gravity and tension as an adaptive algorithm challenges your skill level with increasingly complex block shapes.

**Highlights:** Realistic physics simulation, Adaptive difficulty algorithm, Variety of block shapes, One-handed portrait play, Haptic feedback, Auto-save functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Merge Puzzle Game free?

Merge Puzzle Game is free to download, with in-app purchases available.

### Is Block Stack free?

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

### Which has better reviews, Merge Puzzle Game or Block Stack?

Block Stack is rated higher. Merge Puzzle Game averages 4.9 out of 5 from 16K ratings, while Block Stack averages 5.0 from 3 ratings.

### Do Merge Puzzle Game or Block Stack have ads?

Merge Puzzle Game shows ads; Block Stack does not.

### Which is updated more often, Merge Puzzle Game or Block Stack?

Merge Puzzle Game ships an update monthly, and Block Stack every 10 days. Most recently, Merge Puzzle Game was updated on October 19, 2026 and Block Stack on October 16, 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.*