# 知米背单词 vs MP3Lyric Player

The clearest difference is price: 知米背单词 at Free against MP3Lyric Player's $1.99. 知米背单词 also leads on ratings volume (460 vs 1) and device support (4 vs 2). MP3Lyric Player's advantage is in-app purchases (none vs 12) and rating (5.0 vs 4.8). On review sentiment, update cadence and ads there is nothing between them.

知米背单词 is free to download; MP3Lyric Player costs $1.99 up front. 知米背单词 sells 12 one-off in-app purchases. MP3Lyric Player asks for nothing beyond the download.

MP3Lyric Player holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 知米背单词 has 460 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 97% of 知米背单词's written reviews are positive against 100% of MP3Lyric Player's.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 知米背单词 | MP3Lyric Player |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.8 (460 ratings)](https://appshunter.io/ios/app/app/id893122685/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mp3lyric-player/id6743536854/reviews)** |
| Number of ratings | **460** | 1 |
| Positive reviews | 97.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#200** |
| Size | 147 MB | 7 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BlueBrain Educational Technology Co., Ltd.](https://appshunter.io/developer/893122688) | [强 高](https://appshunter.io/developer/1803254593) |

## What reviewers say

### 知米背单词

[App page](https://appshunter.io/ios/app/app/id893122685)

This app offers a fun and effective way to memorize English vocabulary, with seven mnemonic methods and scientific review techniques. It also includes grammar lessons and reading practice with authentic materials.

**Highlights:** Seven mnemonic methods for memorization, Scientific review in context, Comprehensive study data statistics, 10-hour grammar mastery, Practice with authentic reading materials, Daily bilingual news and classic books

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 600知米粒 | $0.99 | one-time |
| 词根词缀助记1个月 | $0.99 | one-time |
| 单词助记服务(1个月) | $1.99 | one-time |
| 1800知米粒 | $2.99 | one-time |
| 单词配图3个月 | $2.99 | one-time |
| 词根词缀助记3个月 | $2.99 | one-time |
| 3000知米粒 | $3.99 | one-time |
| 6800知米粒 | $9.99 | one-time |
| 单词助记服务(12个月) | $9.99 | one-time |
| 单词配图永久 | $12.99 | one-time |
| 词根词缀助记永久 | $12.99 | one-time |
| 单词助记服务(永久) | $12.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient word learning
- 💡 Helpful word association features
- 🗣️ Good pronunciation examples
- 📚 Extensive word library

**What reviewers complain about**

- 🐛 Occasional bugs or crashes
- 💰 Some features require paid subscription
- 🖥️ Lack of iPad support

**Reported bugs**

- Login issues on certain devices
- Inconsistent word definitions

**Requested features**

- Improved multi-device synchronization
- More customization options
- Integration with other learning resources


### MP3Lyric Player

[App page](https://appshunter.io/ios/app/mp3lyric-player/id6743536854)

**Currently charting:** #200 Top Paid · Education (US App Store)

Experience music with synchronized lyrics and advanced playback controls. This app is ideal for language learners and music enthusiasts seeking an intuitive interface for managing playlists and enjoying their favorite tracks.

**Highlights:** Synchronized lyrics display, Intuitive interface, Advanced playback controls, Playlist management, Premium MP3 playback

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 知米背单词 free?

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

### Is MP3Lyric Player free?

MP3Lyric Player costs $1.99, with no in-app purchases.

### Which has better reviews, 知米背单词 or MP3Lyric Player?

MP3Lyric Player is rated higher. 知米背单词 averages 4.8 out of 5 from 460 ratings, while MP3Lyric Player averages 5.0 from 1 ratings.

### Do 知米背单词 or MP3Lyric Player have ads?

Neither 知米背单词 nor MP3Lyric Player shows ads.

### Which is updated more often, 知米背单词 or MP3Lyric Player?

知米背单词 ships an update every 5 weeks, and MP3Lyric Player every 5 weeks. Most recently, 知米背单词 was updated on October 8, 2026 and MP3Lyric Player on September 30, 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.*