# 亿鸽 vs Rhomb transform

The clearest difference is update cadence: Rhomb transform at every 10 days against 亿鸽's monthly. Rhomb transform also leads on iOS requirement (14.0 vs 18.0). 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.

亿鸽 ships an update monthly, Rhomb transform every 10 days. The most recent releases landed on October 6, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | 亿鸽 | Rhomb transform |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Size | 20 MB | 32 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [观成 余](https://appshunter.io/developer/1073429239) | [MUMTAZ FEEDS & ALLIED INDUSTRIES PRIVATE LIMITED](https://appshunter.io/developer/1731099409) |

## What reviewers say

### 亿鸽

[App page](https://appshunter.io/ios/app/id1585289747)

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

**In-app purchases:** none


### Rhomb transform

[App page](https://appshunter.io/ios/app/rhomb-transform/id6476389933)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 亿鸽 free?

亿鸽 is free to download, with no in-app purchases.

### Is Rhomb transform free?

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

### Do 亿鸽 or Rhomb transform have ads?

Neither 亿鸽 nor Rhomb transform shows ads.

### Which is updated more often, 亿鸽 or Rhomb transform?

亿鸽 ships an update monthly, and Rhomb transform every 10 days. Most recently, 亿鸽 was updated on October 6, 2026 and Rhomb transform on September 27, 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.*