About Blue Switch
This app allows you to control a 2, 4 or 8 Channel Relay Module Bluetooth BLE with your iPhone or iPad. To use this app, you need one of these three modules: "2 Channel Relay Module Bluetooth BLE" "4 Channel Relay Module...
This app allows you to control a 2, 4 or 8 Channel Relay Module Bluetooth BLE with your iPhone or iPad. To use this app, you need one of these three modules: "2 Channel Relay Module Bluetooth BLE" "4 Channel Relay Module Bluetooth BLE" "8 Channel Relay Module Bluetooth BLE" These modules can be ordered at many online shops. Please use a search engine to find a shop. This app can be connected with any number of modules. By entering an alias, the modules are marked clearly and can easily be assigned to a use area. Name the modules for example "Relay 1", "Relay 2", "Electronic lab project" or "Ambient Light". An alias can also be entered for each relay. The default password for these modules is usually "12345678". For more security, the app also allows you to change the password. The password must be eight digits long.
Version History Bug fixes and improvements 6.3 18h ago Optimized for the new operating system. 6.2 10/02/2025 Bug fixes and improvements 6.1 02/16/2025 Improved app stability by identifying and resolving potential crash causes. 6.0 08/30/2024 Bug fixes and improvements 5.9 06/24/2024 Bug fixes and improvements 5.8 03/20/2024 Bug fixes and improvements 5.7 03/14/2024 Bug fixes and improvements 5.6 02/15/2024 Adapted to the new operating system and new devices. 5.5 10/31/2023 Bug fixes and improvements 5.4 07/07/2023 Adapted to the new generation of devices. 5.3 07/01/2023 Adapted to the new modules. 5.2 02/20/2023 Adapted to the latest version of the module. 5.1 12/03/2022 Bug fixes and improvements 5.0 12/02/2022 Bug fixes and improvements 4.9 12/01/2022 Adapted to the new operating system. 4.8 09/27/2022 Bug fixes and improvements 4.7 06/08/2022 Bug fixes and improvements 4.6 04/28/2022 Bug fixes and improvements 4.5 02/08/2022 Bug fixes and improvements 4.4 01/14/2022 Adapted for the new devices. 4.3 01/03/2022 Adapted to the new operating system. 4.2 10/16/2021 Improved user interface when rotating the device. 4.1 06/02/2021 Added support for the new modules. 4.0 04/22/2021 The color of the status bar is now displayed correctly in all views. 3.9 03/28/2021
Previous Versions
Here you can find the changelog of Blue Switch since it was posted on our website on 2021-12-15 11:14:56.
The latest version is 6.3 and it was updated on 2026-06-21 23:50:58. See below the changes in each version.
Blue Switch version 6.3
Updated At: 2026-05-27
Changes: Version History Bug fixes and improvements 6.3 18h ago Optimized for the new operating system. 6.2 10/02/2025 Bug fixes and improvements 6.1 02/16/2025 Improved app stability by identifying and resolving potential crash causes. 6.0 08/30/2024 Bug fixes and improvements 5.9 06/24/2024 Bug fixes and improvements 5.8 03/20/2024 Bug fixes and improvements 5.7 03/14/2024 Bug fixes and improvements 5.6 02/15/2024 Adapted to the new operating system and new devices. 5.5 10/31/2023 Bug fixes and improvements 5.4 07/07/2023 Adapted to the new generation of devices. 5.3 07/01/2023 Adapted to the new modules. 5.2 02/20/2023 Adapted to the latest version of the module. 5.1 12/03/2022 Bug fixes and improvements 5.0 12/02/2022 Bug fixes and improvements 4.9 12/01/2022 Adapted to the new operating system. 4.8 09/27/2022 Bug fixes and improvements 4.7 06/08/2022 Bug fixes and improvements 4.6 04/28/2022 Bug fixes and improvements 4.5 02/08/2022 Bug fixes and improvements 4.4 01/14/2022 Adapted for the new devices. 4.3 01/03/2022 Adapted to the new operating system. 4.2 10/16/2021 Improved user interface when rotating the device. 4.1 06/02/2021 Added support for the new modules. 4.0 04/22/2021 The color of the status bar is now displayed correctly in all views. 3.9 03/28/2021
Blue Switch version 6.2
Updated At: 2025-10-02
Changes: Optimized for the new operating system.
Blue Switch version 6.1
Updated At: 2025-02-16
Changes: Feb 16, 2025
Version 6.1
Bug fixes and improvements
Blue Switch version 6.0
Updated At: 2024-08-30
Changes: Aug 30, 2024
Version 6.0
Improved app stability by identifying and resolving potential crash causes.
Blue Switch version 5.9
Updated At: 2024-06-24
Changes: Jun 24, 2024
Version 5.9
Bug fixes and improvements
Blue Switch version 5.8
Updated At: 2024-03-20
Changes: Mar 20, 2024
Version 5.8
Bug fixes and improvements
Blue Switch version 5.6
Updated At: 2024-02-15
Changes: Feb 15, 2024
Version 5.6
Bug fixes and improvements
Blue Switch version 5.5
Updated At: 2023-10-31
Changes: Oct 31, 2023
Version 5.5
Adapted to the new operating system and new devices.
Blue Switch version 5.4
Updated At: 2023-07-07
Changes: Jul 7, 2023
Version 5.4
Bug fixes and improvements
Blue Switch version 5.2
Updated At: 2023-02-20
Changes: Feb 20, 2023
Version 5.2
Adapted to the new modules.
Disclaimer
Official App Store Link
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