# ChargeCube vs Duon

The clearest difference is update cadence: Duon at every 9 days against ChargeCube's every 7 months. ChargeCube's advantage is iOS requirement (12.0 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.

ChargeCube ships an update every 7 months, Duon every 9 days. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ChargeCube | Duon |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 9 days** |
| Size | 65 MB | 50 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Saascharge Inc](https://appshunter.io/developer/1496288861) | [DUON](https://appshunter.io/developer/1782131775) |

## What reviewers say

### ChargeCube

[App page](https://appshunter.io/ios/app/chargecube/id1616705049)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Duon

[App page](https://appshunter.io/ios/app/duon/id6738743494)

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

**In-app purchases:** none


## Frequently asked questions

### Is ChargeCube free?

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

### Is Duon free?

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

### Do ChargeCube or Duon have ads?

Neither ChargeCube nor Duon shows ads.

### Which is updated more often, ChargeCube or Duon?

ChargeCube ships an update every 7 months, and Duon every 9 days. Most recently, ChargeCube was updated on September 30, 2026 and Duon on October 9, 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.*