# 21天突破高频词汇 vs Nazoru

The clearest difference is price: Nazoru at Free against 21天突破高频词汇's $0.99. Nazoru also leads on update cadence (daily vs every 3 weeks). 21天突破高频词汇's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Nazoru is free to download; 21天突破高频词汇 costs $0.99 up front. Nazoru sells 2 in-app purchases, starting at $2.99 per month. 21天突破高频词汇 asks for nothing beyond the download.

21天突破高频词汇 ships an update every 3 weeks, Nazoru daily. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 21天突破高频词汇 | Nazoru |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 3 MB | 34 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [鲁扬 王](https://appshunter.io/developer/1890054449) | [GYOU GI](https://appshunter.io/developer/6776104453) |

## What reviewers say

### 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


### Nazoru

[App page](https://appshunter.io/ios/app/nazoru-read-japanese/id6814808295)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nazoru — monthly | $2.99 | per month |
| Nazoru — one-time | $89.99 | one-time |


## Frequently asked questions

### 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.

### Is Nazoru free?

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

### Do 21天突破高频词汇 or Nazoru have ads?

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

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

21天突破高频词汇 ships an update every 3 weeks, and Nazoru daily. Most recently, 21天突破高频词汇 was updated on November 6, 2026 and Nazoru 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.*