# Sliding Block vs Merge Brain

The clearest difference is ads: Sliding Block at none against Merge Brain's shown. Sliding Block also leads on iOS requirement (10.0 vs 15.0). Merge Brain's advantage is review sentiment (54% vs 40%). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Sliding Block sells 1 one-off in-app purchase and Merge Brain sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Merge Brain holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 254 and 185 respectively. Written reviews point the same way: 40% of Sliding Block's written reviews are positive against 54% of Merge Brain's.

Sliding Block ships an update every 2 months, Merge Brain every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Sliding Block | Merge Brain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (254 ratings)](https://appshunter.io/ios/app/sliding-block/id1493104292/reviews) | **[4.7 (185 ratings)](https://appshunter.io/ios/app/merge-brain-2248/id6449523076/reviews)** |
| Number of ratings | **254** | 185 |
| Positive reviews | 40.0% of reviews | **54.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 141 MB | 278 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [永兴 杨](https://appshunter.io/developer/1493250163) | [SUPERBOX. Inc](https://appshunter.io/developer/1165756567) |

## What reviewers say

### Sliding Block

[App page](https://appshunter.io/ios/app/sliding-block/id1493104292)

Engage in a brain-training puzzle game with unique sliding block mechanics. Fill rows to eliminate blocks and progress through increasingly challenging levels. Enjoy a visually appealing experience with rich sound effects.

**Highlights:** Slide blocks left or right, Fill rows to eliminate, Earn experience, Progressive difficulty, Exquisite picture and sound

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No ads | $2.99 | one-time |


### Merge Brain

[App page](https://appshunter.io/ios/app/merge-brain-2248/id6449523076)

A minimalist puzzle game where you link blocks with the same numbers to create higher numbers. Sharpen your mind and concentration with increasingly challenging levels, aiming for the highest score.

**Highlights:** Link same numbered blocks, Create higher number blocks, Minimalist and modern design, Simple controls, challenging gameplay, Automatic data save, World ranking, Infinite time

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diamond 1000 | $0.99 | one-time |
| Diamond 2500 | $2.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Diamond 6000 | $4.99 | one-time |
| Diamond Piggy Bank | $4.99 | one-time |
| Diamond 13000 | $9.99 | one-time |
| Diamond 35000 | $29.99 | one-time |
| Diamond 60000 | $49.99 | one-time |
| Diamond 100000 | $99.99 | one-time |

**What reviewers like**

- 👍 Fun and enjoyable gameplay
- ✅ No Wi-Fi required
- 👍 Good amount of ads (for some)
- 💡 Suggestion for higher number tiles (2048, 4096, 8192)
- 🚀 Reached high scores (Septillion, Undecillion)

**What reviewers complain about**

- ⏰ Stingy 24-hour reward timer
- 🐛 Game freezes after update
- 🐛 Game freezes during long play sessions
- 🐛 Game lagging
- 🐛 Paid movements reversed overnight

**Reported bugs**

- Game gets stuck and screen freezes for a minute or two after recent update
- Game freezes every time playing for long periods
- Game keeps lagging
- Paid Movements reversed overnight
- Ad pops up and cannot be closed, requiring game exit

**Requested features**

- Update reward timer to standard daily reset
- Add Infinity tile
- Make game more fun with updates
- Change 2K, 4K, 8K to 2048, 4096, 8192
- Add an end goal or finish line to the game


## Frequently asked questions

### Is Sliding Block free?

Sliding Block is free to download, with in-app purchases available.

### Is Merge Brain free?

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

### Which has better reviews, Sliding Block or Merge Brain?

Merge Brain is rated higher. Sliding Block averages 4.5 out of 5 from 254 ratings, while Merge Brain averages 4.7 from 185 ratings.

### Do Sliding Block or Merge Brain have ads?

Merge Brain shows ads; Sliding Block does not.

### Which is updated more often, Sliding Block or Merge Brain?

Sliding Block ships an update every 2 months, and Merge Brain every 6 weeks. Most recently, Sliding Block was updated on October 24, 2026 and Merge Brain 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.*