# TANCHJIM vs ACEFAST 积速

The clearest difference is rating: ACEFAST 积速 at 1.6 against TANCHJIM's 1.4. TANCHJIM's advantage is review sentiment (8% vs 0%) and iOS requirement (15.6 vs 17.6). On price, ratings volume, update cadence and ads 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 holds the better App Store score, 1.6 against 1.4. Both are backed by a comparable volume of ratings — 9 and 10 respectively. Written reviews complicate that: 8% of TANCHJIM's written reviews are positive against 0% of ACEFAST 积速's, so the app with the better star average is not the one people write more warmly about.

TANCHJIM ships an update every 4 weeks, ACEFAST 积速 fortnightly. The most recent releases landed on September 15, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | TANCHJIM | ACEFAST 积速 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.4 (9 ratings)](https://appshunter.io/ios/app/tanchjim/id6446278638/reviews) | **[1.6 (10 ratings)](https://appshunter.io/ios/app/acefast/id6480441744/reviews)** |
| Number of ratings | 9 | **10** |
| Positive reviews | **8.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 114 MB | 184 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Nanning Heavy Hammer Technology Co., Ltd.](https://appshunter.io/developer/1677043717) | [ACEFAST](https://appshunter.io/developer/1739035513) |

## What reviewers say

### TANCHJIM

[App page](https://appshunter.io/ios/app/tanchjim/id6446278638)

Customize your TANCHJIM Bluetooth earphones with signature sound profiles and adjustable settings for a more convenient listening experience. Future updates will include a Parametric Equalizer for advanced audio personalization.

**Highlights:** Bluetooth device tuning, Earphone settings adjustment, Signature sound profiles, Audio personalization, Parametric Equalizer (upcoming)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is TANCHJIM free?

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

### Is ACEFAST 积速 free?

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

### Which has better reviews, TANCHJIM or ACEFAST 积速?

ACEFAST 积速 is rated higher. TANCHJIM averages 1.4 out of 5 from 9 ratings, while ACEFAST 积速 averages 1.6 from 10 ratings.

### Do TANCHJIM or ACEFAST 积速 have ads?

Neither TANCHJIM nor ACEFAST 积速 shows ads.

### Which is updated more often, TANCHJIM or ACEFAST 积速?

TANCHJIM ships an update every 4 weeks, and ACEFAST 积速 fortnightly. Most recently, TANCHJIM was updated on September 15, 2026 and ACEFAST 积速 on August 31, 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.*