# 咔咔背单词 vs 智慧江航

The clearest difference is in-app purchases: 智慧江航 at none against 咔咔背单词's 5. 智慧江航 also leads on iOS requirement (13.0 vs 15.5). 咔咔背单词's advantage is update cadence (every 4 weeks vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. 咔咔背单词 sells 4 one-off in-app purchases. 智慧江航 asks for nothing beyond the download.

咔咔背单词 ships an update every 4 weeks, 智慧江航 every 5 months. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 咔咔背单词 | 智慧江航 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id6743207138/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 5 months |
| Size | 250 MB | 92 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Keyanqi Information Technology Co., Ltd.](https://appshunter.io/developer/1801920078) | [江西航空职业技术学院](https://appshunter.io/developer/1866311027) |

## What reviewers say

### 咔咔背单词

[App page](https://appshunter.io/ios/app/id6743207138)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1元试用 | $0.99 | one-time |
| 一年会员 | $9.99 | one-time |
| 一年制会员 | $9.99 | one-time |
| 永久会员 | $14.99 | one-time |


### 智慧江航

[App page](https://appshunter.io/ios/app/id6767143321)

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

**In-app purchases:** none


## Frequently asked questions

### Is 咔咔背单词 free?

咔咔背单词 is free to download, with in-app purchases available.

### Is 智慧江航 free?

智慧江航 is free to download, with no in-app purchases.

### Do 咔咔背单词 or 智慧江航 have ads?

Neither 咔咔背单词 nor 智慧江航 shows ads.

### Which is updated more often, 咔咔背单词 or 智慧江航?

咔咔背单词 ships an update every 4 weeks, and 智慧江航 every 5 months. Most recently, 咔咔背单词 was updated on October 12, 2026 and 智慧江航 on October 24, 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.*