# 二师云课堂 vs BufferMind

The clearest difference is in-app purchases: 二师云课堂 at none against BufferMind's 5. 二师云课堂 also leads on iOS requirement (11.0 vs 16.2). BufferMind's advantage is update cadence (every 6 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. BufferMind sells 5 in-app purchases, starting at $9.99 per month. 二师云课堂 asks for nothing beyond the download.

二师云课堂 ships an update every 4 months, BufferMind every 6 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 二师云课堂 | BufferMind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/buffermind-ai-translator/id6760977587/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 86 MB | 67 MB |
| Requires iOS | **11.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [青颖飞帆](https://appshunter.io/developer/507851198) | [ZECHANG HE](https://appshunter.io/developer/1887108961) |

## What reviewers say

### 二师云课堂

[App page](https://appshunter.io/ios/app/id1640819302)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 二师云课堂 free?

二师云课堂 is free to download, with no in-app purchases.

### Is BufferMind free?

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

### Do 二师云课堂 or BufferMind have ads?

Neither 二师云课堂 nor BufferMind shows ads.

### Which is updated more often, 二师云课堂 or BufferMind?

二师云课堂 ships an update every 4 months, and BufferMind every 6 days. Most recently, 二师云课堂 was updated on November 3, 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.*