BlueSim: Bluetooth Simulator
Custom Bluetooth LE peripheral
About
Simulate a Bluetooth Low Energy peripheral to test or debug other devices. Send custom data to a central device, facilitating development and troubleshooting.
What's New in BlueSim
4.6.1
September 9, 2026
- Fixed: Editing Bluetooth local name rebroadcasted for each character change. Now rebroadcast only happens after edit is finished, which can also prevent disconnecting if the name field was edited but restored to the original value. - Changed: Selected log level affects badging, so you only see logs at or above the level you selected - Changed: Downgraded levels of noisy logs - Other: Wording tweaks and styling improvements
MoreCharts
Developer apps
FAQ
What is BlueSim used for?
BlueSim turns your phone into a customizable Bluetooth LE peripheral. This allows you to test or debug a separate 'central' or 'host' device by sending it the data of your choice.
What devices does BlueSim support?
BlueSim is available for iPhone and iPad devices.
How much does BlueSim cost?
BlueSim is a paid application, priced at $3.99.
Is BlueSim suitable for all ages?
BlueSim has an age rating of 4+, making it appropriate for a wide range of users.
When was BlueSim last updated?
The latest version of BlueSim, 4.5.1, was released on March 13, 2026. The app was initially released on January 15, 2023.
Does BlueSim have ads?
No, BlueSim does not contain advertisements.
Can BlueSim transfer data to other devices?
Yes, BlueSim enables the transfer of data between the device running the app and another device operating in the Bluetooth central role.
What is the user rating for BlueSim?
BlueSim has received an excellent rating of 5.0 stars based on 4 user reviews.
