# 屏幕刷新率 vs 鉴机

The clearest difference is price: 屏幕刷新率 at Free against 鉴机's $3.99. 鉴机's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

屏幕刷新率 is free to download; 鉴机 costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 屏幕刷新率 | 鉴机 |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | — |
| Monetization | Ad-supported | — |
| Size | 16 MB | 4 MB |
| Requires iOS | 16 | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [燕梅 高](https://appshunter.io/developer/1860144880) | [登阳 李](https://appshunter.io/developer/6772393523) |

## What reviewers say

### 屏幕刷新率

[App page](https://appshunter.io/ios/app/id6758336753)

A professional tool for iOS devices that accurately detects and displays real-time screen refresh rate changes. It provides a true representation of your device's screen performance.

**Highlights:** Real-time refresh rate detection, Accurate screen performance display, iOS device compatibility, Simple interface

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

**In-app purchases:** none


### 鉴机

[App page](https://appshunter.io/ios/app/id6778002145)

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

**In-app purchases:** none


## Frequently asked questions

### Is 屏幕刷新率 free?

屏幕刷新率 is free to download, with no in-app purchases.

### Is 鉴机 free?

鉴机 costs $3.99, with no in-app purchases.

### Do 屏幕刷新率 or 鉴机 have ads?

屏幕刷新率 shows ads; 鉴机 does not.

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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.*