# BT vs 课堂喵

BT and 课堂喵 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BT ships an update every 4 months, 课堂喵 every 2 months. The most recent releases landed on September 23, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | BT | 课堂喵 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 8 MB | 41 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [建红 邝](https://appshunter.io/developer/1611263038) | [Shenzhen Forg To Sea Technology Co., LTD](https://appshunter.io/developer/1484306557) |

## What reviewers say

### BT

[App page](https://appshunter.io/ios/app/bt-amplifier/id6444695148)

**Features:** macOS Compatibility

**In-app purchases:** none


### 课堂喵

[App page](https://appshunter.io/ios/app/id6670535227)

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

**In-app purchases:** none


## Frequently asked questions

### Is BT free?

BT is free to download, with no in-app purchases.

### Is 课堂喵 free?

课堂喵 is free to download, with no in-app purchases.

### Do BT or 课堂喵 have ads?

Neither BT nor 课堂喵 shows ads.

### Which is updated more often, BT or 课堂喵?

BT ships an update every 4 months, and 课堂喵 every 2 months. Most recently, BT was updated on September 23, 2026 and 课堂喵 on October 12, 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.*