# 암기고래 vs 클래스카드

The clearest difference is in-app purchases: 클래스카드 at none against 암기고래's 10. 클래스카드 also leads on update cadence (every 4 days vs every 2 weeks). 암기고래's advantage is rating (4.7 vs 4.2) and review sentiment (88% vs 66%). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. 암기고래 sells 10 one-off in-app purchases. 클래스카드 asks for nothing beyond the download.

암기고래 holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 86 and 208 respectively. Written reviews point the same way: 88% of 암기고래's written reviews are positive against 66% of 클래스카드's.

암기고래 ships an update every 2 weeks, 클래스카드 every 4 days. Both last shipped on November 6, 2026.

## The numbers

| Metric | 암기고래 | 클래스카드 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (86 ratings)](https://appshunter.io/ios/app/id1071024844/reviews)** | [4.2 (208 ratings)](https://appshunter.io/ios/app/id1176435331/reviews) |
| Number of ratings | 86 | **208** |
| Positive reviews | **88.3% of reviews** | 65.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 145 MB | 74 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [welearnedu](https://appshunter.io/developer/1071024843) | [CLASSCARD, Inc.](https://appshunter.io/developer/1481434005) |

## What reviewers say

### 암기고래

[App page](https://appshunter.io/ios/app/id1071024844)

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 암기고래 1개월 구독권 라이트 | $11.99 | one-time |
| 시원스쿨 스페인어 | $47.99 | one-time |
| 암기고래 1년 구독권 | $49.99 | one-time |
| 시원스쿨 오픽 프리패스 | $54.99 | one-time |
| 시원스쿨 텝스 프리패스 | $79.99 | one-time |
| 짠내영어 1년 프리패스 | $94.99 | one-time |
| 시원스쿨 일본어 1년 프리패스 | $99.99 | one-time |
| 시원스쿨 1년 프리패스 | $99.99 | one-time |
| 시원스쿨 2019 기초영어 1년 프리패스 | $99.99 | one-time |
| 시원스쿨 기적의 영어탈출기 100 | $99.99 | one-time |

**What reviewers like**

- 💰 Excellent free content
- 🎧 Audio explanations for words
- 🎶 Engaging music with vocabulary
- 📚 Wide range of languages
- 🎯 Customizable word lists

**What reviewers complain about**

- 🐛 Spelling test errors
- 📉 Difficulty levels too easy for advanced users
- 💻 Excel file upload issues
- 📱 iOS specific bugs (sound in silent mode)
- 🤔 Difficulty levels not matching expectations

**Reported bugs**

- Spelling test incorrect feedback
- Sound plays in silent mode on iPhone
- App crashes when clicking bookmark
- App does not execute on some devices
- Account linking/sign-up connection error

**Requested features**

- More difficult vocabulary for advanced learners
- Easier method for adding custom words
- Ability to upload from device directly
- Add subjective spelling tests (writing definitions)
- Multiple favorite word lists


### 클래스카드

[App page](https://appshunter.io/ios/app/id1176435331)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 암기고래 free?

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

### Is 클래스카드 free?

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

### Which has better reviews, 암기고래 or 클래스카드?

암기고래 is rated higher. 암기고래 averages 4.7 out of 5 from 86 ratings, while 클래스카드 averages 4.2 from 208 ratings.

### Do 암기고래 or 클래스카드 have ads?

Neither 암기고래 nor 클래스카드 shows ads.

### Which is updated more often, 암기고래 or 클래스카드?

암기고래 ships an update every 2 weeks, and 클래스카드 every 4 days. Most recently, 암기고래 was updated on November 6, 2026 and 클래스카드 on November 6, 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.*