# 声迹 vs DuLabs

The clearest difference is in-app purchases: DuLabs at none against 声迹's 4. 声迹's advantage is device support (4 vs 2). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. 声迹 sells 4 in-app purchases, starting at $0.29 per 7 days. DuLabs asks for nothing beyond the download.

声迹 ships an update weekly, DuLabs every 9 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | 声迹 | DuLabs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6759970703/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Freemium | — |
| Size | 51 MB | 2 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [桂迎 魏](https://appshunter.io/developer/1841279020) | [彤 姚](https://appshunter.io/developer/1895435197) |

## What reviewers say

### 声迹

[App page](https://appshunter.io/ios/app/id6759970703)

This audio tool allows users to extract audio from videos, edit music clips, create M4R ringtones, and convert between common audio formats. It also offers features like audio merging, compression, speed and pitch adjustment, and ID3 tag editing for mobile creators and audio processing needs.

**Highlights:** Extract audio from video, Edit and trim audio clips, Create M4R ringtones, Convert audio formats, Merge and compress audio, Adjust speed and pitch, Manage local audio files

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $0.29 | per 7 days |
| 月会员 | $0.99 | per month |
| 年会员 | $3.99 | per year |
| 声迹终生会员 | $4.99 | one-time |


### DuLabs

[App page](https://appshunter.io/ios/app/dulabs/id6777095514)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 声迹 free?

声迹 is free to download, with in-app purchases available.

### Is DuLabs free?

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

### Do 声迹 or DuLabs have ads?

Neither 声迹 nor DuLabs shows ads.

### Which is updated more often, 声迹 or DuLabs?

声迹 ships an update weekly, and DuLabs every 9 days. Most recently, 声迹 was updated on October 28, 2026 and DuLabs on October 28, 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.*