# ZooApp vs Fuelsystem

The clearest difference is update cadence: Fuelsystem at every 10 days against ZooApp's every 55 months. ZooApp's advantage is iOS requirement (11.0 vs 15.0). On price, ads, 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.

ZooApp ships an update every 55 months, Fuelsystem every 10 days. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | ZooApp | Fuelsystem |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 55 months | **Every 10 days** |
| Size | 119 MB | 23 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Gulliver S.r.l.](https://appshunter.io/developer/518244902) | [Tecno Srl](https://appshunter.io/developer/1464181133) |

## What reviewers say

### ZooApp

[App page](https://appshunter.io/ios/app/zooapp/id1456731585)

**In-app purchases:** none


### Fuelsystem

[App page](https://appshunter.io/ios/app/fuelsystem/id6467641471)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZooApp free?

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

### Is Fuelsystem free?

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

### Do ZooApp or Fuelsystem have ads?

Neither ZooApp nor Fuelsystem shows ads.

### Which is updated more often, ZooApp or Fuelsystem?

ZooApp ships an update every 55 months, and Fuelsystem every 10 days. Most recently, ZooApp was updated on October 4, 2026 and Fuelsystem on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*