# Red Ball 4 vs Fly

The clearest difference is price: Fly at Free against Red Ball 4's $4.99. Fly also leads on in-app purchases (none vs 1) and update cadence (every 11 days vs every 13 months). Red Ball 4's advantage is ads (none vs shown) and chart position (#114 vs unranked). On device support there is nothing between them.

Fly is free to download; Red Ball 4 costs $4.99 up front. Red Ball 4 sells 1 one-off in-app purchase. Fly asks for nothing beyond the download.

Red Ball 4 ships an update every 13 months, Fly every 11 days. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Red Ball 4 | Fly |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.8 (7.7K ratings)](https://appshunter.io/ios/app/red-ball-4/id852197796/reviews)** | — |
| Number of ratings | **7.7K** | — |
| Positive reviews | 89.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#114** | — |
| Size | 133 MB | 73 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FDG Entertainment GmbH & Co.KG](https://appshunter.io/developer/669512574) | [Maximiliano Fernando Cambiaso](https://appshunter.io/developer/1817408891) |

## What reviewers say

### Red Ball 4

[App page](https://appshunter.io/ios/app/red-ball-4/id852197796)

**Currently charting:** #114 Top Paid · Casual, #190 Top Paid · Action (US App Store)

Embark on an adventure to save the world from evil minions intent on making it square. Guide a bouncing ball through 75 challenging levels, overcoming traps and defeating monsters. Experience an all-new adventure with epic boss battles and exciting physics.

**Highlights:** 75 exciting levels, Epic boss battles, Tricky traps, Defeat monsters, Exciting physics, Cloud support

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all levels | $1.99 | one-time |

**What reviewers like**

- 👍 Nostalgic and fun gameplay
- 🚀 Smooth and responsive controls
- 💎 Challenging yet rewarding levels
- 🎨 Vibrant and colorful graphics
- 🎢 Engaging boss battles

**What reviewers complain about**

- 🐛 Occasional glitches and bugs
- 🔁 Lack of new content updates
- 🔒 Achievements not working properly
- 🕹️ Sensitive controls can be frustrating
- 💰 Premium version not worth the cost

**Reported bugs**

- Achievements not unlocking
- Inconsistent performance on some devices
- Levels not loading properly
- Saved progress being lost
- Crashes on certain level transitions

**Requested features**

- Add more levels and worlds
- Implement difficulty settings
- Allow progress reset option
- Improve achievement system
- Optimize for older devices


### Fly

[App page](https://appshunter.io/ios/app/fly-a-wave/id6749509602)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Red Ball 4 free?

Red Ball 4 costs $4.99, and also offers in-app purchases.

### Is Fly free?

Fly is free to download, with no in-app purchases.

### Do Red Ball 4 or Fly have ads?

Fly shows ads; Red Ball 4 does not.

### Which is updated more often, Red Ball 4 or Fly?

Red Ball 4 ships an update every 13 months, and Fly every 11 days. Most recently, Red Ball 4 was updated on October 26, 2026 and Fly on October 6, 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.*