# FlashLink BLE vs Acoustic Link

The clearest difference is update cadence: Acoustic Link at every 2 months against FlashLink BLE's every 5 months. FlashLink BLE's advantage is iOS requirement (9.0 vs 13.0). 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.

FlashLink BLE ships an update every 5 months, Acoustic Link every 2 months. The most recent releases landed on October 18, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | FlashLink BLE | Acoustic Link |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 17 MB | 51 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ColdTrak](https://appshunter.io/developer/1173799223) | [Hangzhou Crysound Electronics Co., Ltd.](https://appshunter.io/developer/1204067982) |

## What reviewers say

### FlashLink BLE

[App page](https://appshunter.io/ios/app/flashlink-ble/id1173799224)

**Features:** macOS Compatibility

**In-app purchases:** none


### Acoustic Link

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FlashLink BLE free?

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

### Is Acoustic Link free?

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

### Do FlashLink BLE or Acoustic Link have ads?

Neither FlashLink BLE nor Acoustic Link shows ads.

### Which is updated more often, FlashLink BLE or Acoustic Link?

FlashLink BLE ships an update every 5 months, and Acoustic Link every 2 months. Most recently, FlashLink BLE was updated on October 18, 2026 and Acoustic Link on September 29, 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.*