# Stack Merge Mobile vs Slimbo

The clearest difference is rating: Stack Merge Mobile at 5.0 against Slimbo's 4.5. Stack Merge Mobile also leads on ads (none vs shown) and monetization model (free vs ad-supported). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Stack Merge Mobile holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Stack Merge Mobile ships an update fortnightly, Slimbo every 11 days. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Stack Merge Mobile | Slimbo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/stack-merge-mobile/id6760034466/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/slimbo/id6802375869/reviews) |
| Number of ratings | **7** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 11 days** |
| Monetization | **Free** | Ad-supported |
| Size | 76 MB | 141 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alec Richard Pickup](https://appshunter.io/developer/1882410794) | [SAMOKAT, TOV](https://appshunter.io/developer/1525901641) |

## What reviewers say

### Stack Merge Mobile

[App page](https://appshunter.io/ios/app/stack-merge-mobile/id6760034466)

A satisfying puzzle game where players efficiently pack blocks to create higher numbers and earn gold. Compete for high scores on the leaderboard and enjoy a relaxing experience that can be paused and resumed anytime.

**Highlights:** Block stacking puzzle gameplay, High score competition, Leaderboard rankings, In-game item usage, Pause and resume functionality, Relaxing time-passing activity

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

**In-app purchases:** none


### Slimbo

[App page](https://appshunter.io/ios/app/slimbo/id6802375869)

A physics-based puzzle game where players drop soft jelly blocks into a pit to build towers and reach a lollipop. Experience gentle chaos with squishy physics, unique challenges, and no time limits.

**Highlights:** Squishy soft-body jelly physics, 18 handcrafted puzzle sites, Gravity-based block dropping, No timers or lives, Challenging obstacles and bugs, Hint system

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

**In-app purchases:** none


## Frequently asked questions

### Is Stack Merge Mobile free?

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

### Is Slimbo free?

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

### Which has better reviews, Stack Merge Mobile or Slimbo?

Stack Merge Mobile is rated higher. Stack Merge Mobile averages 5.0 out of 5 from 7 ratings, while Slimbo averages 4.5 from 2 ratings.

### Do Stack Merge Mobile or Slimbo have ads?

Slimbo shows ads; Stack Merge Mobile does not.

### Which is updated more often, Stack Merge Mobile or Slimbo?

Stack Merge Mobile ships an update fortnightly, and Slimbo every 11 days. Most recently, Stack Merge Mobile was updated on October 3, 2026 and Slimbo on October 11, 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.*