# 卡片学认知 vs 嗯背单词

The clearest difference is in-app purchases: 卡片学认知 at none against 嗯背单词's 5. 卡片学认知 also leads on iOS requirement (12.0 vs 16.0). 嗯背单词's advantage is update cadence (every 8 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. 嗯背单词 sells 5 in-app purchases, starting at $0.99 per month. 卡片学认知 asks for nothing beyond the download.

卡片学认知 ships an update monthly, 嗯背单词 every 8 days. Both last shipped on October 27, 2026.

## The numbers

| Metric | 卡片学认知 | 嗯背单词 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (87 ratings)](https://appshunter.io/ios/app/id6450109182/reviews)** |
| Number of ratings | — | **87** |
| Positive reviews | — | 83.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 83 MB | 37 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [文芝 王](https://appshunter.io/developer/1741286530) | [斌斌 沈](https://appshunter.io/developer/1509733863) |

## What reviewers say

### 卡片学认知

[App page](https://appshunter.io/ios/app/asd/id1537982761)

**Features:** macOS Compatibility

**In-app purchases:** none


### 嗯背单词

[App page](https://appshunter.io/ios/app/id6450109182)

This app uses a unique state machine algorithm to dramatically increase vocabulary learning efficiency. It offers a minimalist design, single-handed operation, and flexible review options without forced repetition. Users can also add notes, use an integrated dictionary, and import custom word lists.

**Highlights:** State machine algorithm for efficient memorization, Minimalist SwiftUI native design, Single-handed operation, Flexible review without forced repetition, Integrated online dictionary with images and encyclopedic content, Customizable word lists and notes, Word radio feature

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $0.99 | per month |
| 年度会员 | $9.99 | per year |
| 终身会员 | Free | one-time |
| 终身会员 | $4.99 | one-time |
| 终身会员 | $6.99 | one-time |


## Frequently asked questions

### Is 卡片学认知 free?

卡片学认知 is free to download, with no in-app purchases.

### Is 嗯背单词 free?

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

### Do 卡片学认知 or 嗯背单词 have ads?

Neither 卡片学认知 nor 嗯背单词 shows ads.

### Which is updated more often, 卡片学认知 or 嗯背单词?

卡片学认知 ships an update monthly, and 嗯背单词 every 8 days. Most recently, 卡片学认知 was updated on October 27, 2026 and 嗯背单词 on October 27, 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.*