Serial USB Terminal
Kai Morich
4.3 ★
2K ratings
500,000+
downloads
Free
+ in-app
In this serial USB terminal app, you can connect to microcontrollers and other devices via USB to serial converters and send or receive data line-by-line. Includes support for multiple chipsets and protocols, along with free features and optional donation options.
AppRecs review analysis
AppRecs rating 4.3. Trustworthiness 69 out of 100. Review manipulation risk 27 out of 100. Based on a review sample analyzed.
★★★★☆
4.3
AppRecs Rating
Ratings breakdown
5 star
67%
4 star
17%
3 star
5%
2 star
2%
1 star
9%
What to know
✓
Low review manipulation risk
27% review manipulation risk
✓
High user satisfaction
84% of sampled ratings are 4+ stars (4.3★ average)
✓
Authentic reviews
Natural distribution, no red flags
About Serial USB Terminal
This app supports USB to serial converters based on
- FTDI FT232, FT2232, ...
- Prolific PL2303
- Silabs CP2102, CP2105, ...
- Qinheng CH340, CH341
and devices implementing the USB CDC protocol like
- Arduino using ATmega32U4
- Digispark using V-USB software USB
- BBC micro:bit using ARM mbed DAPLink firmware
To connect USB to serial converters, your android device must support USB OTG aka. USB host mode. Most devices support this today, but in case of issues check with one of the various USB test apps, if host mode is enabled in your android kernel.
All features in this app are free. In-App purchase is only used for the 'Donate' option.
Looking for source code? Here you find a simplified variant of this app:
https://github.com/kai-morich/SimpleUsbTerminal
Serial USB Terminal Screenshots
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Reviews for Serial USB Terminal
Hugh Norwood
12/26/2025
I got this to connect to an arduino uno. It works great. If it was possible to easily clear the keyboard input line before sending the next line of text, that would make it perfect. {edit 26 Dec 2025} Many thanks for the clarification - all is well. Kind regards
jarongaus
12/12/2025
Amazing USB terminal for Android !
