# 韬笔记 vs AcoustaLab

The clearest difference is in-app purchases: 韬笔记 at none against AcoustaLab's 3. 韬笔记 also leads on iOS requirement (13.0 vs 17.0). AcoustaLab's advantage is update cadence (every 9 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. AcoustaLab sells 3 in-app purchases, starting at $0.99 per month. 韬笔记 asks for nothing beyond the download.

韬笔记 ships an update every 5 weeks, AcoustaLab every 9 days. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 韬笔记 | AcoustaLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Size | 42 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Ningqu Technology Co., Ltd.](https://appshunter.io/developer/1372680566) | [QINGDAO XUFAN ZHILIAN INFORMATION TECHNOLOGY CO. LTD.](https://appshunter.io/developer/1888657658) |

## What reviewers say

### 韬笔记

[App page](https://appshunter.io/ios/app/id6445970036)

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

**In-app purchases:** none


### AcoustaLab

[App page](https://appshunter.io/ios/app/acoustalab-tone-generator/id6763583795)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $0.99 | per month |
| Yearly Pro | $4.99 | per year |
| Lifetime Unlock | $9.99 | one-time |


## Frequently asked questions

### Is 韬笔记 free?

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

### Is AcoustaLab free?

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

### Do 韬笔记 or AcoustaLab have ads?

Neither 韬笔记 nor AcoustaLab shows ads.

### Which is updated more often, 韬笔记 or AcoustaLab?

韬笔记 ships an update every 5 weeks, and AcoustaLab every 9 days. Most recently, 韬笔记 was updated on October 8, 2026 and AcoustaLab on October 6, 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.*