# Scribble Worm Trial vs Happy Slime Puzzle

The clearest difference is ads: Scribble Worm Trial at none against Happy Slime Puzzle's shown. Scribble Worm Trial also leads on iOS requirement (8.0 vs 13.0). Happy Slime Puzzle's advantage is update cadence (every 6 days vs every 29 months). On price, in-app purchases and device support there is nothing between them.

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

Scribble Worm Trial ships an update every 29 months, Happy Slime Puzzle every 6 days. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Scribble Worm Trial | Happy Slime Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/scribble-worm-trial/id436696272/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 87.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 29 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 25 MB | 203 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Golden Hammer Software LLC](https://appshunter.io/developer/345202857) | [Irina Ivanova](https://appshunter.io/developer/1383242689) |

## What reviewers say

### Scribble Worm Trial

[App page](https://appshunter.io/ios/app/scribble-worm-trial/id436696272)

Draw worms to navigate challenging puzzles. Avoid obstacles, utilize wall properties, and race friends to the finish. This addictive game tests your timing and pattern anticipation.

**Highlights:** Draw worms to solve puzzles, Interact with different wall types, Avoid moving obstacles, Two-player head-to-head mode, Race to reach the apple

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

**In-app purchases:** none


### Happy Slime Puzzle

[App page](https://appshunter.io/ios/app/happy-slime-puzzle/id6739111054)

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

**In-app purchases:** none


## Frequently asked questions

### Is Scribble Worm Trial free?

Scribble Worm Trial is free to download, with no in-app purchases.

### Is Happy Slime Puzzle free?

Happy Slime Puzzle is free to download, with no in-app purchases.

### Do Scribble Worm Trial or Happy Slime Puzzle have ads?

Happy Slime Puzzle shows ads; Scribble Worm Trial does not.

### Which is updated more often, Scribble Worm Trial or Happy Slime Puzzle?

Scribble Worm Trial ships an update every 29 months, and Happy Slime Puzzle every 6 days. Most recently, Scribble Worm Trial was updated on November 1, 2026 and Happy Slime Puzzle on November 8, 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.*