# Acoustic Link vs TestLink 2025

The clearest difference is update cadence: TestLink 2025 at every 3 weeks against Acoustic Link'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.

Acoustic Link ships an update every 2 months, TestLink 2025 every 3 weeks. Both last shipped on October 28, 2026.

## The numbers

| Metric | Acoustic Link | TestLink 2025 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 51 MB | 11 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hangzhou Crysound Electronics Co., Ltd.](https://appshunter.io/developer/1204067982) | [CENTER TECHNOLOGY CORP.](https://appshunter.io/developer/1858182680) |

## What reviewers say

### Acoustic Link

[App page](https://appshunter.io/ios/app/acoustic-link/id6748516886)

**Features:** macOS Compatibility

**In-app purchases:** none


### TestLink 2025

[App page](https://appshunter.io/ios/app/testlink-2025/id6756169175)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Acoustic Link free?

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

### Is TestLink 2025 free?

TestLink 2025 is free to download, with no in-app purchases.

### Do Acoustic Link or TestLink 2025 have ads?

Neither Acoustic Link nor TestLink 2025 shows ads.

### Which is updated more often, Acoustic Link or TestLink 2025?

Acoustic Link ships an update every 2 months, and TestLink 2025 every 3 weeks. Most recently, Acoustic Link was updated on October 28, 2026 and TestLink 2025 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.*