# CRT参数选择 vs 艾尔兴

The clearest difference is update cadence: 艾尔兴 at every 4 weeks against CRT参数选择's every 2 months. 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.

CRT参数选择 ships an update every 2 months, 艾尔兴 every 4 weeks. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | CRT参数选择 | 艾尔兴 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Size | 76 MB | 47 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [德超 王](https://appshunter.io/developer/1611735879) | [苏州宣嘉光电科技有限公司](https://appshunter.io/developer/1572247866) |

## What reviewers say

### CRT参数选择

[App page](https://appshunter.io/ios/app/crt/id1403633270)

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

**In-app purchases:** none


### 艾尔兴

[App page](https://appshunter.io/ios/app/id1572247564)

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

**In-app purchases:** none


## Frequently asked questions

### Is CRT参数选择 free?

CRT参数选择 is free to download, with no in-app purchases.

### Is 艾尔兴 free?

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

### Do CRT参数选择 or 艾尔兴 have ads?

Neither CRT参数选择 nor 艾尔兴 shows ads.

### Which is updated more often, CRT参数选择 or 艾尔兴?

CRT参数选择 ships an update every 2 months, and 艾尔兴 every 4 weeks. Most recently, CRT参数选择 was updated on November 6, 2026 and 艾尔兴 on November 7, 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.*