# BT vs ThreadChaser

The clearest difference is in-app purchases: BT at none against ThreadChaser's 1. BT also leads on iOS requirement (12.0 vs 18.6). ThreadChaser's advantage is update cadence (every 5 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. ThreadChaser sells 1 in-app purchase, starting at $2.99 per year. BT asks for nothing beyond the download.

BT ships an update every 3 months, ThreadChaser every 5 days. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | BT | ThreadChaser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (5 ratings)](https://appshunter.io/ios/app/bt-light/id1128296700/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 19 MB | 2 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [德宇 周](https://appshunter.io/developer/1098728022) | [JAMIE SAM PARTOVI](https://appshunter.io/developer/1891387720) |

## What reviewers say

### BT

[App page](https://appshunter.io/ios/app/bt-light/id1128296700)

Control smart lights with your phone. Adjust RGB, warm, and cool white colors, select scene modes, and set timers or alarms. This app offers a comprehensive lighting control experience.

**Highlights:** RGB and white light control, Scene mode adjustments, Warm and cold color control, Clock function, Timing and alarm settings

**Features:** macOS Compatibility

**In-app purchases:** none


### ThreadChaser

[App page](https://appshunter.io/ios/app/threadchaser/id6761772249)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ThreadChaser Pro | $2.99 | per year |


## Frequently asked questions

### Is BT free?

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

### Is ThreadChaser free?

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

### Do BT or ThreadChaser have ads?

Neither BT nor ThreadChaser shows ads.

### Which is updated more often, BT or ThreadChaser?

BT ships an update every 3 months, and ThreadChaser every 5 days. Most recently, BT was updated on October 3, 2026 and ThreadChaser on October 1, 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.*