# 不背单词 vs BufferMind

The clearest difference is ratings volume: 不背单词 at 3.6K against BufferMind's 9. 不背单词 also leads on iOS requirement (13.0 vs 16.2). BufferMind's advantage is update cadence (every 6 days vs every 3 weeks). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. 不背单词 sells 10 one-off in-app purchases and BufferMind sells 5 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

BufferMind holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 不背单词 has 3.6K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 94% of 不背单词's written reviews are positive against 100% of BufferMind's.

不背单词 ships an update every 3 weeks, BufferMind every 6 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 不背单词 | BufferMind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (3.6K ratings)](https://appshunter.io/ios/app/id698570469/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/buffermind-ai-translator/id6760977587/reviews)** |
| Number of ratings | **3.6K** | 9 |
| Positive reviews | 94.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 168 MB | 67 MB |
| Requires iOS | **13.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Beijing Is-Cool Technology Co., Ltd](https://appshunter.io/developer/1089038448) | [ZECHANG HE](https://appshunter.io/developer/1887108961) |

## What reviewers say

### 不背单词

[App page](https://appshunter.io/ios/app/id698570469)

Learn English vocabulary through authentic movie and TV show examples. Utilize a vast library of phrases, root words, and affixes for effective memorization. Features include exam-focused content, smart review scheduling, and gamified progress tracking.

**Highlights:** 1.5M+ original sound example sentences, 50K+ phrase pairings, 2000+ root words and affixes, Collins English-Chinese dictionary, All-stage vocabulary banks, Exam-focused word meanings and phrases, Ebbinghaus forgetting curve review

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 充值4 | $0.99 | one-time |
| 充值3 | $0.99 | one-time |
| 充值6 | $0.99 | one-time |
| 充值5 | $0.99 | one-time |
| 充值9.9 | $0.99 | one-time |
| 充值62 | $8.99 | one-time |
| 充值116 | $17.99 | one-time |
| 充值248 | $34.99 | one-time |
| 酷币包 31 | $39.99 | one-time |
| 充值298 | $39.99 | one-time |

**What reviewers like**

- 🌟 Comprehensive vocabulary coverage
- 👍 Intuitive and user-friendly interface
- 🎬 Helpful example sentences from movies/TV
- 💡 Effective memorization techniques
- 🎯 Customizable word lists and study plans

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔊 Inconsistent audio volume for word pronunciations
- 🔍 Limited search and filtering options
- 🖼️ Outdated or unappealing visual design
- 🕰️ Repetitive review schedule can feel tedious

**Reported bugs**

- Login issues for users with non-Chinese phone numbers
- Compatibility problems on newer iOS/Android devices
- Unreliable syncing of progress across multiple devices

**Requested features**

- Ability to import/export custom word lists
- Integration with other language learning resources
- More personalized learning algorithms and recommendations
- Enhanced social features for group/team learning
- Expanded support for non-English vocabulary


### BufferMind

[App page](https://appshunter.io/ios/app/buffermind-ai-translator/id6760977587)

This app provides real-time lecture transcription and translation for students. It listens, transcribes, and translates lectures live, with an AI assistant to answer questions about the content. Users can save, search, and organize their lecture history.

**Highlights:** Real-time transcription, Instant translation, AI teaching assistant, Searchable lecture history, Live activity on Lock Screen, Push-to-talk translated conversation

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Pro Semester | $19.99 | per 3 months |
| Max Monthly | $19.99 | per month |
| Max Semester | $44.99 | per 3 months |
| Recording Top-up (10 hours) | $3.99 | one-time |


## Frequently asked questions

### Is 不背单词 free?

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

### Is BufferMind free?

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

### Which has better reviews, 不背单词 or BufferMind?

BufferMind is rated higher. 不背单词 averages 4.8 out of 5 from 3.6K ratings, while BufferMind averages 5.0 from 9 ratings.

### Do 不背单词 or BufferMind have ads?

Neither 不背单词 nor BufferMind shows ads.

### Which is updated more often, 不背单词 or BufferMind?

不背单词 ships an update every 3 weeks, and BufferMind every 6 days. Most recently, 不背单词 was updated on November 1, 2026 and BufferMind on October 31, 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.*