# Focus vs 21天突破高频词汇

The clearest difference is price: Focus at Free against 21天突破高频词汇's $0.99. Focus also leads on update cadence (every 10 days vs every 3 weeks). 21天突破高频词汇's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

Focus is free to download; 21天突破高频词汇 costs $0.99 up front. Focus sells 3 in-app purchases, starting at $3.99 per month. 21天突破高频词汇 asks for nothing beyond the download.

Focus ships an update every 10 days, 21天突破高频词汇 every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Focus | 21天突破高频词汇 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/focus-little-halfday/id6762449631/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 76 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [DRAMICRO TECHNOLOGY LIMITED](https://appshunter.io/developer/1894179718) | [鲁扬 王](https://appshunter.io/developer/1890054449) |

## What reviewers say

### Focus

[App page](https://appshunter.io/ios/app/focus-little-halfday/id6762449631)

This app offers a peaceful approach to focus and productivity. It uses a charming fishing cat companion and engaging mini-games to make focused time feel rewarding. Block distractions, track your progress, and build healthy habits with flexible focus modes and ambient sounds.

**Highlights:** Fishing cat companion, Gamified focus sessions with fish collection, Distraction blocker, Pomodoro and stopwatch modes, Ambient sounds and music, Focus plans and routines, Screen Time API integration

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO · 月订阅 | $3.99 | per month |
| PRO · Yearly | $18.99 | per year |
| PRO · 终身 | $33.99 | one-time |


### 21天突破高频词汇

[App page](https://appshunter.io/ios/app/21/id6797169848)

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

**In-app purchases:** none


## Frequently asked questions

### Is Focus free?

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

### Is 21天突破高频词汇 free?

21天突破高频词汇 costs $0.99, with no in-app purchases.

### Do Focus or 21天突破高频词汇 have ads?

Neither Focus nor 21天突破高频词汇 shows ads.

### Which is updated more often, Focus or 21天突破高频词汇?

Focus ships an update every 10 days, and 21天突破高频词汇 every 3 weeks. Most recently, Focus was updated on October 31, 2026 and 21天突破高频词汇 on October 31, 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.*