# ACEFAST 积速 vs UMELODY悠律蓝牙耳机

The clearest difference is update cadence: ACEFAST 积速 at fortnightly against UMELODY悠律蓝牙耳机's every 5 weeks. UMELODY悠律蓝牙耳机's advantage is iOS requirement (13.0 vs 17.6). 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.

ACEFAST 积速 ships an update fortnightly, UMELODY悠律蓝牙耳机 every 5 weeks. The most recent releases landed on August 31, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | ACEFAST 积速 | UMELODY悠律蓝牙耳机 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (10 ratings)](https://appshunter.io/ios/app/acefast/id6480441744/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 184 MB | 86 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [ACEFAST](https://appshunter.io/developer/1739035513) | [Shenzhen Gongting Technology Co., Ltd](https://appshunter.io/developer/1757774280) |

## What reviewers say

### ACEFAST 积速

[App page](https://appshunter.io/ios/app/acefast/id6480441744)

This application provides an intuitive interface to manage and customize the settings of ACEFAST Bluetooth earbuds. Users can easily adjust various functions and parameters for a personalized audio experience.

**Highlights:** Bluetooth earbud function control, Parameter adjustment, Customizable settings, New audiovisual experience

**Features:** macOS Compatibility

**In-app purchases:** none


### UMELODY悠律蓝牙耳机

[App page](https://appshunter.io/ios/app/umelody/id6593666023)

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

**In-app purchases:** none


## Frequently asked questions

### Is ACEFAST 积速 free?

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

### Is UMELODY悠律蓝牙耳机 free?

UMELODY悠律蓝牙耳机 is free to download, with no in-app purchases.

### Do ACEFAST 积速 or UMELODY悠律蓝牙耳机 have ads?

Neither ACEFAST 积速 nor UMELODY悠律蓝牙耳机 shows ads.

### Which is updated more often, ACEFAST 积速 or UMELODY悠律蓝牙耳机?

ACEFAST 积速 ships an update fortnightly, and UMELODY悠律蓝牙耳机 every 5 weeks. Most recently, ACEFAST 积速 was updated on August 31, 2026 and UMELODY悠律蓝牙耳机 on September 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.*