# 快捷二维码 vs AOI

The clearest difference is device support: 快捷二维码 at 2 against AOI's —. On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

快捷二维码 ships an update every 5 months, AOI every 6 months. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 快捷二维码 | AOI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aoi/id1603547582/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | — | Free |
| Size | 3 MB | 1 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [朝勃 郑](https://appshunter.io/developer/1529536001) | [杰 李](https://appshunter.io/developer/1602306282) |

## What reviewers say

### 快捷二维码

[App page](https://appshunter.io/ios/app/easyqrcode/id1530665964)

**Features:** macOS Compatibility

**In-app purchases:** none


### AOI

[App page](https://appshunter.io/ios/app/aoi/id1603547582)

This utility app allows users to control iPhone camera modules, adjust parameters, and switch camera views. It also enables local server and client creation for interactive experiences and includes a dice game for friendly competition.

**Highlights:** iPhone camera module control, Customizable camera parameters, Local server and client setup, Interactive communication, Dice rolling mini-game

**In-app purchases:** none


## Frequently asked questions

### Is 快捷二维码 free?

快捷二维码 is free to download, with no in-app purchases.

### Is AOI free?

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

### Which is updated more often, 快捷二维码 or AOI?

快捷二维码 ships an update every 5 months, and AOI every 6 months. Most recently, 快捷二维码 was updated on October 3, 2026 and AOI on October 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.*