# Flatliner! vs Slimbo

The clearest difference is rating: Flatliner! at 5.0 against Slimbo's 4.5. Flatliner! also leads on ads (none vs shown) and monetization model (free vs ad-supported). Slimbo's advantage is iOS requirement (15.0 vs 17.0). On price, ratings volume, 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.

Flatliner! holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Flatliner! ships an update every 5 days, Slimbo every 11 days. The most recent releases landed on September 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Flatliner! | Slimbo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flatliner/id6793313864/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/slimbo/id6802375869/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 11 days |
| Monetization | **Free** | Ad-supported |
| Size | 3 MB | 141 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Take Fleet, Inc.](https://appshunter.io/developer/1777301253) | [SAMOKAT, TOV](https://appshunter.io/developer/1525901641) |

## What reviewers say

### Flatliner!

[App page](https://appshunter.io/ios/app/flatliner/id6793313864)

Experience thrilling downhill bike races with realistic physics. Perform flips for coins, upgrade your bikes, and master jumps with nitro boosts. Choose between clearing levels or an endless run.

**Highlights:** Realistic 2D physics, Coin collection via flips, Nitro boost for jumps, Nine unlockable bikes, Level-based and endless modes, Offline play

**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 Flatliner! free?

Flatliner! 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, Flatliner! or Slimbo?

Flatliner! is rated higher. Flatliner! averages 5.0 out of 5 from 1 ratings, while Slimbo averages 4.5 from 2 ratings.

### Do Flatliner! or Slimbo have ads?

Slimbo shows ads; Flatliner! does not.

### Which is updated more often, Flatliner! or Slimbo?

Flatliner! ships an update every 5 days, and Slimbo every 11 days. Most recently, Flatliner! was updated on September 24, 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.*