# Puma Gas vs U

The clearest difference is update cadence: U at every 5 weeks against Puma Gas's every 3 months. Puma Gas'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.

Puma Gas ships an update every 3 months, U every 5 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Puma Gas | U |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Size | 86 MB | 83 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Puma Energy](https://appshunter.io/developer/1456341593) | [Rocket Technologies](https://appshunter.io/developer/1535174925) |

## What reviewers say

### Puma Gas

[App page](https://appshunter.io/ios/app/puma-gas/id1634138437)

**Features:** macOS Compatibility

**In-app purchases:** none


### U

[App page](https://appshunter.io/ios/app/u-world/id6749352814)

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

**In-app purchases:** none


## Frequently asked questions

### Is Puma Gas free?

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

### Is U free?

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

### Do Puma Gas or U have ads?

Neither Puma Gas nor U shows ads.

### Which is updated more often, Puma Gas or U?

Puma Gas ships an update every 3 months, and U every 5 weeks. Most recently, Puma Gas was updated on November 3, 2026 and U on November 5, 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.*