# Bellyfish vs Slide Knockout

The clearest difference is update cadence: Slide Knockout at every 6 days against Bellyfish's monthly. Bellyfish's advantage is iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Bellyfish sells 5 one-off in-app purchases and Slide Knockout sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Bellyfish ships an update monthly, Slide Knockout every 6 days. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Bellyfish | Slide Knockout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (158 ratings)](https://appshunter.io/ios/app/bellyfish/id481288153/reviews)** | — |
| Number of ratings | **158** | — |
| Positive reviews | 87.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 383 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duello Iletisim Hizmetleri A.S.](https://appshunter.io/developer/388130469) | [Andrey Kutuzov](https://appshunter.io/developer/1610762419) |

## What reviewers say

### Bellyfish

[App page](https://appshunter.io/ios/app/bellyfish/id481288153)

Embark on an endless underwater adventure with intuitive controls and beautiful graphics. Collect power-ups to battle enemies and unlock new heroes. Compete with friends on leaderboards and complete quests in this addictive swimmer game.

**Highlights:** Endless swimmer gameplay, Intuitive directional controls, Unlockable heroes, Unique power-ups, Game Center Leaderboards, Quests to complete

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5.000 Coin Pack | $0.99 | one-time |
| 50.000 Coin Pack | $4.99 | one-time |
| Coin Doubler | $4.99 | one-time |
| 150.000 Coin Pack | $9.99 | one-time |
| 400.000 Coin Pack | $19.99 | one-time |

**What reviewers like**

- 😄 Extremely fun and addictive gameplay
- 🎨 Beautiful graphics and cute character design
- 🎵 Great music and sound design
- 👍 Intuitive and responsive tilt controls
- ⏱️ Quick to play, good for passing time

**What reviewers complain about**

- 🐛 Frequent crashes and freezing issues
- 📱 Calibration problems requiring recalibration mid-game
- 🎮 Tilt controls sometimes unresponsive or inaccurate
- 💸 In-app ads and monetization became excessive
- 💰 Items and upgrades too expensive

**Reported bugs**

- App crashes immediately after downloading
- Crashes after playing once then boots out
- Game freezes mid-play requiring restart
- Tilt controls don't respond consistently
- Calibration angle differs from gameplay angle

**Requested features**

- More levels and content
- Touch screen controls as alternative to tilt
- Joystick/analog stick control option
- Challenge missions with specific objectives
- Dark mode gameplay


### Slide Knockout

[App page](https://appshunter.io/ios/app/slide-knockout-ragdoll-pvp/id6760192867)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Coins | $0.99 | one-time |
| 100 Coins | $1.99 | one-time |
| Remove ADs | $1.99 | one-time |
| 250 Coinst | $4.99 | one-time |


## Frequently asked questions

### Is Bellyfish free?

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

### Is Slide Knockout free?

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

### Do Bellyfish or Slide Knockout have ads?

Neither Bellyfish nor Slide Knockout shows ads.

### Which is updated more often, Bellyfish or Slide Knockout?

Bellyfish ships an update monthly, and Slide Knockout every 6 days. Most recently, Bellyfish was updated on November 1, 2026 and Slide Knockout on October 25, 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.*