# 奇妙盟友 vs 资料员练题狗

The clearest difference is in-app purchases: 奇妙盟友 at none against 资料员练题狗's 9. 资料员练题狗's advantage is device support and iOS requirement (10.0 vs 15.0). On price there is nothing between them.

Both are free to download. 资料员练题狗 sells 9 one-off in-app purchases. 奇妙盟友 asks for nothing beyond the download.

## The numbers

| Metric | 奇妙盟友 | 资料员练题狗 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 7 months |
| Monetization | Free | — |
| Size | 120 MB | 118 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [志旭 贾](https://appshunter.io/developer/1190066718) | [重庆知典科技有限公司](https://appshunter.io/developer/1030641480) |

## 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


### 资料员练题狗

[App page](https://appshunter.io/ios/app/id1590270907)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 资料员练题狗充值1余额 | $0.99 | one-time |
| 资料员练题狗充值6余额 | $0.99 | one-time |
| 资料员练题狗充值18余额 | $2.99 | one-time |
| 资料员练题狗充值50余额 | $6.99 | one-time |
| 资料员练题狗充值88余额 | $12.99 | one-time |
| 资料员练题狗充值128余额 | $19.99 | one-time |
| 资料员练题狗充值168余额 | $24.99 | one-time |
| 资料员练题狗充值198余额 | $29.99 | one-time |
| 资料员练题狗充值298余额 | $39.99 | one-time |


## Frequently asked questions

### Is 奇妙盟友 free?

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

### Is 资料员练题狗 free?

资料员练题狗 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.*