# Slug vs Zipline Valley

The clearest difference is update cadence: Slug at every 2 weeks against Zipline Valley's every 6 weeks. Slug also leads on review sentiment (53% vs 44%) and iOS requirement (11.0 vs 15.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Slug sells 5 one-off in-app purchases and Zipline Valley sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Slug against 4.6 for Zipline Valley. Both are backed by a comparable volume of ratings — 31K and 50K respectively. Written reviews are what separate them: 53% of Slug's written reviews are positive against 44% of Zipline Valley's.

Slug ships an update every 2 weeks, Zipline Valley every 6 weeks. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Slug | Zipline Valley |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (31K ratings)](https://appshunter.io/ios/app/slug/id1453154652/reviews) | [4.6 (50K ratings)](https://appshunter.io/ios/app/zipline-valley/id1470146913/reviews) |
| Number of ratings | 31K | **50K** |
| Positive reviews | **52.5% of reviews** | 43.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 118 MB | 217 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [MADFATCAT](https://appshunter.io/developer/549093534) | [Dalak Games](https://appshunter.io/developer/1606881837) |

## What reviewers say

### Slug

[App page](https://appshunter.io/ios/app/slug/id1453154652)

Engage in challenging puzzle-solving by constructing imaginative creations using sticky slugs. Experience a fun and unique gameplay mechanic.

**Highlights:** Solve tricky puzzles, Build incredible constructions, Use sticky slugs, Fun gameplay

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 hint | $0.99 | one-time |
| 4 hints | $2.99 | one-time |
| No ads | $2.99 | one-time |
| 10 hints | $6.99 | one-time |
| 20 hints | $8.99 | one-time |

**What reviewers like**

- 🤩 Fun and addictive gameplay
- 😂 Funny and entertaining
- 🧠 Challenging and brain-stimulating
- 💕 Cute and adorable slug character
- 👍 Simple and easy to play

**What reviewers complain about**

- 💰 Too many ads and in-app purchases
- 🐛 Glitches and crashes on some devices
- 🤯 Levels can be frustratingly difficult
- 🔒 Limited hints and no option to watch ads for more
- 🕹️ Controls can be awkward and imprecise

**Reported bugs**

- Cocoon mechanics not working as intended
- Ads covering up important UI elements
- Levels getting stuck or becoming unplayable

**Requested features**

- More levels and content updates
- Ability to watch ads for hints
- Option to disable ads or pay one-time fee
- Customization options for the slug
- Level editor or sandbox mode


### Zipline Valley

[App page](https://appshunter.io/ios/app/zipline-valley/id1470146913)

A physics-based puzzle game where you draw safe zip lines to transport people across a dangerous valley. Strategically avoid traps and collect bonuses to ensure passengers reach their destination alive. Enjoy hours of brain-training fun with minimalist design and numerous free levels.

**Highlights:** Draw safe zip lines, Avoid dangers and traps, Transport passengers cabin to cabin, Collect coins and keys, Minimalist and unique design, Tons of free puzzle levels

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |

**What reviewers like**

- 🚀 Fast and addictive gameplay
- 👍 Relaxing and soothing music
- 🤩 Satisfying to solve puzzles

**What reviewers complain about**

- 💸 Too many intrusive ads
- 🤬 Ads interrupt gameplay too frequently
- 🤯 Ads sometimes cover important UI elements

**Reported bugs**

- Game crashes on certain devices
- Levels sometimes fail to load properly

**Requested features**

- More challenging and varied levels
- Option to disable ads for a one-time fee
- Ability to customize characters


## Frequently asked questions

### Is Slug free?

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

### Is Zipline Valley free?

Zipline Valley is free to download, with in-app purchases available.

### Which has better reviews, Slug or Zipline Valley?

Slug and Zipline Valley are both rated 4.6 out of 5 on the App Store, from 31K and 50K ratings respectively.

### Do Slug or Zipline Valley have ads?

Both Slug and Zipline Valley show ads.

### Which is updated more often, Slug or Zipline Valley?

Slug ships an update every 2 weeks, and Zipline Valley every 6 weeks. Most recently, Slug was updated on October 19, 2026 and Zipline Valley on October 18, 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.*