# US Zone vs Chubby Buttons

The clearest difference is update cadence: Chubby Buttons at every 6 days against US Zone's every 63 months. Chubby Buttons also leads on iOS requirement (12.0 vs 18.6). 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.

US Zone ships an update every 63 months, Chubby Buttons every 6 days. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | US Zone | Chubby Buttons |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.2 (5 ratings)](https://appshunter.io/ios/app/chubby-buttons/id1562202441/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 63 months | **Every 6 days** |
| Monetization | — | Free |
| Size | 4 MB | 28 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [INHOU LTD.](https://appshunter.io/developer/535828230) | [Chubby Buttons, LLC](https://appshunter.io/developer/1576755144) |

## What reviewers say

### US Zone

[App page](https://appshunter.io/ios/app/us-zone/id1531579703)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chubby Buttons

[App page](https://appshunter.io/ios/app/chubby-buttons/id1562202441)

This companion app allows users to connect and update their Chubby Buttons 2 device. It facilitates seamless integration for enhanced functionality and ensures your device is running the latest software.

**Highlights:** Connect to Chubby Buttons 2, Update device firmware, Companion functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is US Zone free?

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

### Is Chubby Buttons free?

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

### Do US Zone or Chubby Buttons have ads?

Neither US Zone nor Chubby Buttons shows ads.

### Which is updated more often, US Zone or Chubby Buttons?

US Zone ships an update every 63 months, and Chubby Buttons every 6 days. Most recently, US Zone was updated on September 10, 2026 and Chubby Buttons on June 1, 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.*