# Card Master vs 背背狸ABC

The clearest difference is in-app purchases: Card Master at none against 背背狸ABC's 1. 背背狸ABC's advantage is update cadence (every 6 days vs every 3 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. 背背狸ABC sells 1 one-off in-app purchase. Card Master asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Card Master against 5.0 for 背背狸ABC. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Card Master ships an update every 3 weeks, 背背狸ABC every 6 days. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Card Master | 背背狸ABC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/card-master/id6739202007/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/abc-momo/id6749012131/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 92.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free | Free |
| Size | 22 MB | 59 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [秀娟 牛](https://appshunter.io/developer/1094634955) | [尧 魏](https://appshunter.io/developer/1658434412) |

## What reviewers say

### Card Master

[App page](https://appshunter.io/ios/app/card-master/id6739202007)

This intelligent learning assistant uses a scientific memory algorithm based on the forgetting curve model to schedule personalized review sessions. It supports rich media notes, LaTeX, and code blocks, making it ideal for students, language learners, and professionals.

**Highlights:** Scientific memory algorithm (SM2), Personalized review scheduling, Import Anki files (.apkg), Multi-dimensional note management, Rich media support (images, audio, video), LaTeX equation editor, Code highlighting

**Features:** macOS Compatibility

**In-app purchases:** none


### 背背狸ABC

[App page](https://appshunter.io/ios/app/abc-momo/id6749012131)

This app uses smart algorithms and AI to help you memorize vocabulary efficiently. It personalizes learning difficulty and provides memory aids for better retention. Enjoy a clean interface designed for focused learning.

**Highlights:** Intelligent algorithm for efficient memorization, Personalized learning difficulty adjustment, One-second feedback for better understanding, Scientific spaced repetition, Memory aids like mnemonics and example sentences, Clean and user-friendly interface, Local data processing for privacy

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 毋庸置疑咖啡 | $2.99 | one-time |


## Frequently asked questions

### Is Card Master free?

Card Master is free to download, with no in-app purchases.

### Is 背背狸ABC free?

背背狸ABC is free to download, with in-app purchases available.

### Which has better reviews, Card Master or 背背狸ABC?

Card Master and 背背狸ABC are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Card Master or 背背狸ABC have ads?

Neither Card Master nor 背背狸ABC shows ads.

### Which is updated more often, Card Master or 背背狸ABC?

Card Master ships an update every 3 weeks, and 背背狸ABC every 6 days. Most recently, Card Master was updated on October 5, 2026 and 背背狸ABC on October 13, 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.*