# 口才练习 21 天 vs SproutTrace

The clearest difference is update cadence: SproutTrace at every 10 days against 口才练习 21 天's every 2 months. 口才练习 21 天's advantage is iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 口才练习 21 天 sells 1 one-off in-app purchase and SproutTrace sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

口才练习 21 天 ships an update every 2 months, SproutTrace every 10 days. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 口才练习 21 天 | SproutTrace |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 9 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [阳 孙](https://appshunter.io/developer/1518808403) | [广州两仪软件有限公司](https://appshunter.io/developer/1682727762) |

## What reviewers say

### 口才练习 21 天

[App page](https://appshunter.io/ios/app/21/id6755531952)

Improve your public speaking and communication skills with AI-powered practice. This app offers daily exercises and feedback to help you speak more confidently and clearly in various situations, from interviews to presentations. Achieve noticeable progress in just 21 days.

**Highlights:** AI voice analysis and scoring, 21-day systematic training plan, Multi-scenario practice modules, Progress visualization, Daily 10-15 minute sessions, Practice history playback

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁21天口才 | $0.99 | one-time |


### SproutTrace

[App page](https://appshunter.io/ios/app/sprouttrace/id6792499517)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SproutTrace Pro Monthly | $0.99 | per month |
| SproutTrace Pro Yearly | $0.99 | per year |
| SproutTrace Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is 口才练习 21 天 free?

口才练习 21 天 is free to download, with in-app purchases available.

### Is SproutTrace free?

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

### Do 口才练习 21 天 or SproutTrace have ads?

Neither 口才练习 21 天 nor SproutTrace shows ads.

### Which is updated more often, 口才练习 21 天 or SproutTrace?

口才练习 21 天 ships an update every 2 months, and SproutTrace every 10 days. Most recently, 口才练习 21 天 was updated on October 4, 2026 and SproutTrace on October 11, 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.*