# AonCharge vs O

The clearest difference is update cadence: O at every 4 days against AonCharge's every 11 days. AonCharge's advantage is iOS requirement (9.0 vs 13.0). 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.

AonCharge ships an update every 11 days, O every 4 days. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | AonCharge | O |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 4 days** |
| Size | 17 MB | 36 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [HangZhouHaochong Technology Co.,Ltd.](https://appshunter.io/developer/1273698254) | [Zhejiang Onesto Electric Co.,Ltd.](https://appshunter.io/developer/1705153314) |

## What reviewers say

### AonCharge

[App page](https://appshunter.io/ios/app/aoncharge/id6474703755)

**Features:** macOS Compatibility

**In-app purchases:** none


### O

[App page](https://appshunter.io/ios/app/o-charger/id6612024271)

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

**In-app purchases:** none


## Frequently asked questions

### Is AonCharge free?

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

### Is O free?

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

### Do AonCharge or O have ads?

Neither AonCharge nor O shows ads.

### Which is updated more often, AonCharge or O?

AonCharge ships an update every 11 days, and O every 4 days. Most recently, AonCharge was updated on October 30, 2026 and O on November 4, 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.*