# BrandNewStudy vs 21天突破高频词汇

The clearest difference is price: BrandNewStudy at Free against 21天突破高频词汇's $0.99. BrandNewStudy also leads on update cadence (every 4 days vs every 3 weeks) and device support (3 vs 1). 21天突破高频词汇's advantage is in-app purchases (none vs 4). On ads there is nothing between them.

BrandNewStudy is free to download; 21天突破高频词汇 costs $0.99 up front. BrandNewStudy sells 4 in-app purchases, starting at $2.99 per month. 21天突破高频词汇 asks for nothing beyond the download.

BrandNewStudy ships an update every 4 days, 21天突破高频词汇 every 3 weeks. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | BrandNewStudy | 21天突破高频词汇 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 135 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [连娥 何](https://appshunter.io/developer/1896209465) | [鲁扬 王](https://appshunter.io/developer/1890054449) |

## What reviewers say

### BrandNewStudy

[App page](https://appshunter.io/ios/app/brandnewstudy/id6766146214)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BrandNewStudy Plus | $2.99 | per month |
| BrandNewDay Plus Yearly | $9.99 | per year |
| BrandNewStudy Pro | $9.99 | per month |
| BrandNewStudy Pro Yearly | $99.99 | per year |


### 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 BrandNewStudy free?

BrandNewStudy 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 BrandNewStudy or 21天突破高频词汇 have ads?

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

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

BrandNewStudy ships an update every 4 days, and 21天突破高频词汇 every 3 weeks. Most recently, BrandNewStudy was updated on October 3, 2026 and 21天突破高频词汇 on October 8, 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.*