# UHFDEMO vs 叮咚墨屏

The clearest difference is update cadence: 叮咚墨屏 at every 6 days against UHFDEMO'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.

UHFDEMO ships an update every 2 months, 叮咚墨屏 every 6 days. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | UHFDEMO | 叮咚墨屏 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id6498879921/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 2 MB | 56 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHENZHEN CHAINWAY INFORMATION TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1220676984) | [Bupin Electronics Technology Co.,Ltd.](https://appshunter.io/developer/1594833200) |

## What reviewers say

### UHFDEMO

[App page](https://appshunter.io/ios/app/uhfdemo/id1456577729)

**Features:** macOS Compatibility

**In-app purchases:** none


### 叮咚墨屏

[App page](https://appshunter.io/ios/app/id6498879921)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UHFDEMO free?

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

### Is 叮咚墨屏 free?

叮咚墨屏 is free to download, with no in-app purchases.

### Do UHFDEMO or 叮咚墨屏 have ads?

Neither UHFDEMO nor 叮咚墨屏 shows ads.

### Which is updated more often, UHFDEMO or 叮咚墨屏?

UHFDEMO ships an update every 2 months, and 叮咚墨屏 every 6 days. Most recently, UHFDEMO was updated on October 26, 2026 and 叮咚墨屏 on October 22, 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.*