# 紫毫 vs Rectfly

The clearest difference is in-app purchases: Rectfly at none against 紫毫's 1. Rectfly also leads on update cadence (every 2 days vs every 4 days). 紫毫's advantage is iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. 紫毫 sells 1 one-off in-app purchase. Rectfly asks for nothing beyond the download.

紫毫 ships an update every 4 days, Rectfly every 2 days. Both last shipped on November 13, 2026.

## The numbers

| Metric | 紫毫 | Rectfly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (22 ratings)](https://appshunter.io/ios/app/id6817241725/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Size | 39 MB | 56 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [辉 王](https://appshunter.io/developer/6817161975) | [YUCHEN LIU](https://appshunter.io/developer/6825926570) |

## What reviewers say

### 紫毫

[App page](https://appshunter.io/ios/app/id6817241725)

**Features:** iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 紫毫 Pro | $9.99 | one-time |


### Rectfly

[App page](https://appshunter.io/ios/app/rectfly/id6825926478)

**In-app purchases:** none


## Frequently asked questions

### Is 紫毫 free?

紫毫 is free to download, with in-app purchases available.

### Is Rectfly free?

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

### Do 紫毫 or Rectfly have ads?

Neither 紫毫 nor Rectfly shows ads.

### Which is updated more often, 紫毫 or Rectfly?

紫毫 ships an update every 4 days, and Rectfly every 2 days. Most recently, 紫毫 was updated on November 13, 2026 and Rectfly on November 13, 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.*