---
title: "BT21 - Reviews, Revenue and Downloads in United Kingdom | Apple App Store"
description: "Customise your 7 day heating schedule faster than ever before with the BT21 app. Connect via bluetooth and control all of your thermostat settings quickly and easily.   Once you've set up one thermost"
---

# BT21 — United Kingdom
> BT21 Bluetooth Control

![BT21 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/39/95/94/39959490-d4b7-bb72-bd15-7e808096f8cb/AppIconsphere-1x_U007emarketing-0-5-0-0-85-220-0.png/434x0w.png)

**Developer:** [Thermonet Systems (UK) L](https://apptail.io/developer/thermonet-systems-uk-l-XWE)
**Category:** Lifestyle
**Rating:** 5.0/5 (1 ratings)
**Price:** Free
**Bundle ID:** com.taelek.thermosphere
**Store:** Apple App Store
**Country:** United Kingdom
**Version:** 2.0.0 (released 2024-08-30)
**Original Release:** 2021-05-05
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/gb/app/app/id1561931603)
**AppTail Page:** [https://apptail.io/app/bt21-DDAe/united-kingdom](https://apptail.io/app/bt21-DDAe/united-kingdom)

## BT21 Description
Customise your 7 day heating schedule faster than ever before with the BT21 app. Connect via bluetooth and control all of your thermostat settings quickly and easily. 

Once you've set up one thermostat, copy and paste all of your settings to another thermostat with easy presets.

- Quick and easy heating schedule.
- Copy presets to multiple thermostats.
- View temperature data for the last 7 hours.
- View %heating time for the last 7 days.
- Send remote technical reports.
- Manage temperature limits and calibration.
- Set and manage all thermostat settings.
- Connect to a wireless sensor (sold separately).
- Lockdown mode to prevent tampering.
- Hide unwanted thermostats.
- Switch between heating, snow melting and power limit modes.
- Switch between air, floor and remote sensors.
- Access to online user guides and videos.

## BT21 Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource125/v4/97/a5/2d/97a52df1-dffd-9682-cb0a-1b6fff922042/534c193a-680b-40ec-9f19-da03f8fda80c_App_store_iPhone_11_Pro_Max_Schedule.jpg/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource125/v4/e9/1f/39/e91f3924-d9ae-5e1b-b0f8-4932dc6afae5/6c03ddf8-94ee-42e1-9bef-cdb4510dc6e4_App_store_iPhone_11_Pro_Max_Settings.jpg/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource125/v4/6c/21/80/6c2180ef-e209-5a85-1b5a-4af162cd95d3/00987186-75ca-4228-b1b0-0e640c58b1c8_App_store_iPhone_11_Pro_Max_Presets.jpg/1242x2688.png)

## BT21 Rating Breakdown in United Kingdom
- 5 stars: 1 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)




## BT21 Discovered Keywords
- bt21

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## BT21 Available In
- [United Kingdom](https://apptail.io/app/bt21-DDAe/united-kingdom)
- [Argentina](https://apptail.io/app/bt21-DDAe/argentina)
- [Australia](https://apptail.io/app/bt21-DDAe/australia)
- [Azerbaijan](https://apptail.io/app/bt21-DDAe/azerbaijan)
- [Brazil](https://apptail.io/app/bt21-DDAe/brazil)
- [Chile](https://apptail.io/app/bt21-DDAe/chile)
- [China](https://apptail.io/app/bt21-DDAe/china)
- [Colombia](https://apptail.io/app/bt21-DDAe/colombia)
- [Algeria](https://apptail.io/app/bt21-DDAe/algeria)
- [Ecuador](https://apptail.io/app/bt21-DDAe/ecuador)
- [Egypt](https://apptail.io/app/bt21-DDAe/egypt)
- [Hong Kong SAR China](https://apptail.io/app/bt21-DDAe/hong-kong)
- [Indonesia](https://apptail.io/app/bt21-DDAe/indonesia)
- [Israel](https://apptail.io/app/bt21-DDAe/israel)
- [India](https://apptail.io/app/bt21-DDAe/india)
- [Japan](https://apptail.io/app/bt21-DDAe/japan)
- [South Korea](https://apptail.io/app/bt21-DDAe/south-korea)
- [Kuwait](https://apptail.io/app/bt21-DDAe/kuwait)
- [Lebanon](https://apptail.io/app/bt21-DDAe/lebanon)
- [North Macedonia](https://apptail.io/app/bt21-DDAe/north-macedonia)
- [Mexico](https://apptail.io/app/bt21-DDAe/mexico)
- [Malaysia](https://apptail.io/app/bt21-DDAe/malaysia)
- [Nigeria](https://apptail.io/app/bt21-DDAe/nigeria)
- [Norway](https://apptail.io/app/bt21-DDAe/norway)
- [New Zealand](https://apptail.io/app/bt21-DDAe/new-zealand)
- [Peru](https://apptail.io/app/bt21-DDAe/peru)
- [Philippines](https://apptail.io/app/bt21-DDAe/philippines)
- [Pakistan](https://apptail.io/app/bt21-DDAe/pakistan)
- [Russia](https://apptail.io/app/bt21-DDAe/russia)
- [Saudi Arabia](https://apptail.io/app/bt21-DDAe/saudi-arabia)
- [Singapore](https://apptail.io/app/bt21-DDAe/singapore)
- [Türkiye](https://apptail.io/app/bt21-DDAe/turkey)
- [Taiwan](https://apptail.io/app/bt21-DDAe/taiwan)
- [Ukraine](https://apptail.io/app/bt21-DDAe/ukraine)
- [United States](https://apptail.io/app/bt21-DDAe/united-states)
- [Vietnam](https://apptail.io/app/bt21-DDAe/vietnam)
- [United Arab Emirates](https://apptail.io/app/bt21-DDAe/united-arab-emirates)
- [South Africa](https://apptail.io/app/bt21-DDAe/south-africa)

---

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