# RY vs 型钢截面

The clearest difference is in-app purchases: RY at none against 型钢截面's 2. 型钢截面's advantage is update cadence (every 4 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 型钢截面 sells 2 in-app purchases, starting at $0.99 per month. RY asks for nothing beyond the download.

RY ships an update every 4 months, 型钢截面 every 4 days. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | RY | 型钢截面 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Size | 25 MB | 43 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou RuiYang Lighting Technology Co. Ltd.](https://appshunter.io/developer/1840827926) | [涛 齐](https://appshunter.io/developer/6777093054) |

## What reviewers say

### RY

[App page](https://appshunter.io/ios/app/ry-ai2/id6752851653)

**Features:** macOS Compatibility

**In-app purchases:** none


### 型钢截面

[App page](https://appshunter.io/ios/app/id6777681920)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级版 · 月费 | $0.99 | per month |
| 高级版 · 年费 | $2.99 | per year |


## Frequently asked questions

### Is RY free?

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

### Is 型钢截面 free?

型钢截面 is free to download, with in-app purchases available.

### Do RY or 型钢截面 have ads?

Neither RY nor 型钢截面 shows ads.

### Which is updated more often, RY or 型钢截面?

RY ships an update every 4 months, and 型钢截面 every 4 days. Most recently, RY was updated on September 16, 2026 and 型钢截面 on September 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.*