# 奇妙盟友 vs 错题本·学伴

The clearest difference is in-app purchases: 奇妙盟友 at none against 错题本·学伴's 2. On price and iOS requirement there is nothing between them.

Both are free to download. 错题本·学伴 sells 2 in-app purchases, starting at $2.99 per month. 奇妙盟友 asks for nothing beyond the download.

## The numbers

| Metric | 奇妙盟友 | 错题本·学伴 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Monetization | Free | — |
| Size | 120 MB | 8 MB |
| Requires iOS | 15.0 | 15.0 |
| Age rating | 4+ | 4+ |
| Developer | [志旭 贾](https://appshunter.io/developer/1190066718) | [大勇 阎](https://appshunter.io/developer/1068052430) |

## What reviewers say

### 奇妙盟友

[App page](https://appshunter.io/ios/app/id1326558157)

This app offers a free and unlimited vocabulary learning experience with a focus on effective memorization. It provides detailed explanations, example sentences, and various learning resources to help users master English words for different exams and levels. The app utilizes a personalized anti-forgetting strategy to optimize review schedules.

**Highlights:** Unlimited vocabulary learning, Spelling and mnemonic aids, Detailed word explanations and examples, Personalized anti-forgetting review plans, Compatibility with physical vocabulary books, Specialized word lists (phrases, roots, etc.), Learning progress statistics and charts

**In-app purchases:** none


### 错题本·学伴

[App page](https://appshunter.io/ios/app/id6448768023)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包月 | $2.99 | per month |
| 包年 | $24.99 | per year |


## Frequently asked questions

### Is 奇妙盟友 free?

奇妙盟友 is free to download, with no in-app purchases.

### Is 错题本·学伴 free?

错题本·学伴 is free to download, with in-app purchases available.

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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.*