# Slimeblock.io vs Merg

The clearest difference is in-app purchases: Merg at none against Slimeblock.io's 6. Slimeblock.io's advantage is ratings volume (40 vs 1) and iOS requirement (13.0 vs 16.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Slimeblock.io sells 6 one-off in-app purchases. Merg asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Slimeblock.io against 5.0 for Merg. That said, the two scores are not equally well evidenced: Slimeblock.io has 40 ratings behind it against 1, so its average is the more settled of the two.

Slimeblock.io ships an update every 9 days, Merg weekly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Slimeblock.io | Merg |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (40 ratings)](https://appshunter.io/ios/app/slimeblockio/id6744073207/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/merg/id6773300384/reviews) |
| Number of ratings | **40** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 124 MB | 130 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [ARAKUMA STUDIO S.A.](https://appshunter.io/developer/1719269868) | [Dennis Rzehaczek](https://appshunter.io/developer/6773300386) |

## What reviewers say

### Slimeblock.io

[App page](https://appshunter.io/ios/app/slimeblockio/id6744073207)

Control a slime block in a 3D world, absorbing everything to grow bigger and stronger. Compete against other players, devour opponents, and climb the leaderboards to become the ultimate super slime. Enjoy colorful graphics, intuitive controls, and exciting power-ups.

**Highlights:** 3D .io gameplay, Absorb objects and opponents, Grow bigger and stronger, Global leaderboards, Cool slime skins & customization, Exciting power-ups

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 180 Gems | $2.99 | one-time |
| Premium Pass | $4.99 | one-time |
| 500 Gems | $8.99 | one-time |
| 1200 Gems | $19.99 | one-time |
| 6500 Gems | $39.99 | one-time |
| 15000 Gems | $99.99 | one-time |


### Merg

[App page](https://appshunter.io/ios/app/merg/id6773300384)

Grow by consuming smaller entities and strategically splitting to evade or pursue. Engage in various game modes, customize your appearance, and compete in ranked seasons. Play with friends online or locally.

**Highlights:** Eat smaller entities to grow, Split and merge mechanics, Multiple game modes (Classic, Teams, Survival, Soccer), Competitive seasons with ranked play, Online and LAN multiplayer, Extensive customization options, Progressive XP and leaderboard system

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

**In-app purchases:** none


## Frequently asked questions

### Is Slimeblock.io free?

Slimeblock.io is free to download, with in-app purchases available.

### Is Merg free?

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

### Which has better reviews, Slimeblock.io or Merg?

Slimeblock.io and Merg are both rated 5.0 out of 5 on the App Store, from 40 and 1 ratings respectively.

### Do Slimeblock.io or Merg have ads?

Both Slimeblock.io and Merg show ads.

### Which is updated more often, Slimeblock.io or Merg?

Slimeblock.io ships an update every 9 days, and Merg weekly. Most recently, Slimeblock.io was updated on October 25, 2026 and Merg on October 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.*