# Flat Pack vs Slime Labs

The clearest difference is rating: Flat Pack at 4.7 against Slime Labs's 3.6. Flat Pack also leads on update cadence (weekly vs every 6 weeks) and review sentiment (85% vs 59%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Flat Pack sells 1 one-off in-app purchase and Slime Labs sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Flat Pack holds the better App Store score, 4.7 against 3.6. That said, the two scores are not equally well evidenced: Flat Pack has 4.4K ratings behind it against 189, so its average is the more settled of the two. Written reviews point the same way: 85% of Flat Pack's written reviews are positive against 59% of Slime Labs's.

Flat Pack ships an update weekly, Slime Labs every 6 weeks. Both last shipped on October 13, 2026.

## The numbers

| Metric | Flat Pack | Slime Labs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (4.4K ratings)](https://appshunter.io/ios/app/flat-pack/id1206776375/reviews)** | [3.6 (189 ratings)](https://appshunter.io/ios/app/slime-labs/id1544662343/reviews) |
| Number of ratings | **4.4K** | 189 |
| Positive reviews | **85.1% of reviews** | 58.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 151 MB | 24 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Nitrome](https://appshunter.io/developer/568079484) | [Gionathan Pesaresi](https://appshunter.io/developer/774933633) |

## What reviewers say

### Flat Pack

[App page](https://appshunter.io/ios/app/flat-pack/id1206776375)

Experience a unique platformer that blends 2D and 3D gameplay. Navigate over 30 levels filled with challenging traps, enemies, and epic boss fights. Explore a real-world environment with the innovative AR Mode.

**Highlights:** 2D and 3D hybrid gameplay, Over 30 unique levels, AR Mode for real-world environments, Cool traps and enemies, Epic boss fights, One-handed controls, Secret stars and ending

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads - premium | $3.99 | one-time |


### Slime Labs

[App page](https://appshunter.io/ios/app/slime-labs/id1544662343)

Control a blob of ooze in a physics-based platformer. Stretch, squish, and grow by absorbing other slime to navigate a lab filled with traps and collect hidden data-disks.

**Highlights:** Physics-based slime mechanics, Collect data-disks, Multiple endings, Pixel art graphics, Original music

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | one-time |

**What reviewers like**

- 🎮 Engaging and fun gameplay mechanics
- 🎨 Charming pixel graphics and visual design
- 😊 Cute and appealing slime character
- 🧩 Creative level design with varied obstacles
- 🔄 Good difficulty progression in most levels

**What reviewers complain about**

- 📺 Excessive and intrusive advertisements
- 🎮 Inconsistent and unresponsive touch controls
- ⚙️ Frequent bugs and glitches during gameplay
- 🔋 Severe battery drain and device overheating
- 😤 Difficulty spikes make game frustrating

**Reported bugs**

- X button on pop-ups doesn't respond
- Pause button functionality broken
- Game freezes on 'no ads' purchase pop-up
- Progress resets when exiting mid-level
- Unresponsive touch controls in tight spaces

**Requested features**

- More levels and additional content
- Easy mode or difficulty settings
- Level skip option with ad compensation
- Mute music button
- Controller support for better precision


## Frequently asked questions

### Is Flat Pack free?

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

### Is Slime Labs free?

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

### Which has better reviews, Flat Pack or Slime Labs?

Flat Pack is rated higher. Flat Pack averages 4.7 out of 5 from 4.4K ratings, while Slime Labs averages 3.6 from 189 ratings.

### Do Flat Pack or Slime Labs have ads?

Both Flat Pack and Slime Labs show ads.

### Which is updated more often, Flat Pack or Slime Labs?

Flat Pack ships an update weekly, and Slime Labs every 6 weeks. Most recently, Flat Pack was updated on October 13, 2026 and Slime Labs on October 13, 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.*