# BT vs Smart TWS

The clearest difference is update cadence: Smart TWS at every 10 days against BT's every 4 months. BT's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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, Smart TWS every 10 days. The most recent releases landed on September 23, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | BT | Smart TWS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Size | 8 MB | 6 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [建红 邝](https://appshunter.io/developer/1611263038) | [Shenzhen New Core Technology Co., Ltd.](https://appshunter.io/developer/1702473215) |

## What reviewers say

### BT

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart TWS

[App page](https://appshunter.io/ios/app/smart-tws/id6461381290)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BT free?

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

### Is Smart TWS free?

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

### Do BT or Smart TWS have ads?

Neither BT nor Smart TWS shows ads.

### Which is updated more often, BT or Smart TWS?

BT ships an update every 4 months, and Smart TWS every 10 days. Most recently, BT was updated on September 23, 2026 and Smart TWS on October 4, 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.*