Android

USB Serial Terminal Ultimate

USB Serial Terminal Ultimate has 12,081 installs (+0.4% a month, measured over 46 days to 2026-10-26), rated 3.3 from 50 ratings, #40,708 of 243,703 in Tools.

View in the Android store ↗
Installs
12,081
+11 (+0.1%) a week, measured over 17 days to 2026-10-26
Rating
3.3
50 ratings
+0 ratings a week, measured over 17 days to 2026-10-26
Rank on Android
#459,014
of 2,942,210
down 21,774 since 2026-11-01
Version
31.1
Last updated 2026-02-21

Description

Show full descriptionShow less

★★★This is a must app for people who want real serial terminal console for ease of access. !★★★

Ultimate Usb Terminal app, all popular usb to serial TTL chips are supported such as; FTDI, CP210X, CH340X and PL230X. All received serial data displayed on App Console and It is very useful app in debugging for serial communication applications such as internet of things and so on.

You can set up all parameters to set up connection with serial chip such as baud rate, stop bits, flow control parameters, parity, and so on.

What s more, You can also write your scripts to save and use it later on console and all AT commands collection added for some Bluetooth and Wifi chips such as HM-10, HC-05, HC-06 and Esp8266 for ease of access. Now Connect Usb Otg cable to your mobile phone and access to your Internet of things devices easily and control them.

■ Please Note !
-------------------------
★The phone or tablet must support USB-Host Mode. !
★USB-OTG cable is required !
★USB-OTG cable must be shorter than 20cm to avoid possible voltage drops and to avoid possible Serial
chips malfunction !
★The Battery level must be greater that %25 to have enough power to Usb Host or it will not detect serial devices.

■ Usb To Serial TTL app features:
--------------------------------------------------------
★Support for CDC-ACM based devices
★Support for USB with OTG adapter and USB Bridge chips
★Support for FTDI based devices.
★Support for CH340G and CH340X based devices.
★Support for Prolific PL2303X based devices.
★Support for Silicon Labs CP210x based devices.
★Support for all Arduino, Arduino Uno and so on.
★Easy to Export Console Log to Csv and Text formats.
★Support for almost all Baud Rates.
★Data Bits : 5, 6, 7 or 8 selectable in settings.
★Stop Bits 1 , 2 or 1,5 selectable in settings.
★Flow control such as RTS_CTS,DSR_DTR and XON_XOFF.
★No need for extra Host Shield or Bluetooth. All you need is a Micro USB OTG to USB Adapter.
★Char and Hex display settings.
★AT commands for popular Bluetooth chips such as Hc-05,hc-06 and Hm-10.
★AT commands for Wifi Esp8266 chips.
★Wifi commands for Nodemcu Esp8266.
★Easy copy and paste your scripts dialog for ease of access.
★Instant Developer Support.
★Write Linefeed code such as CR,CR+LF and LF.
★No root permission required.

■ FAQ
-------------------------------------------------------------------

Q: How to get more benefit out of this app?
A: You must use quality Usb Otg Cables, cheap cables will drop connection !

Q: My device is not detected, What to do?
A: if your device not detected, please check battery level in your mobile. it must be greater then %30 at least to power your device from mobile usb host. if your device still not detected, please send me your device info along with vendor and product ID.

Q: Serial Terminal for USB app drains too much power from battery?
A: Please use short Usb otg cables !

Q: Serial Terminal for USB app lags in some flow control modes, what to do?
A: Some Serial TTL chips do not support some flow control modes. in this case, please unplug device and switch flow control to off and same case for baud rate and so on!

Q: Serial Terminal for USB app supports exporting Console data to storage?
A: Yes it is supported in formats of Csv and text !

Q: Serial Terminal for USB app can damage my phone?
A: In no way this app does not damage your phone ! You must be careful in setting up TX, RX, VCC, GND connection with your Usb To Serial module to protect short circuits on board and please use short Usb otg cables to avoid possible voltage drop on cable or use usb extender along with power adapter.

■ Advertising Policy Disclosure:
-----------------------------
We love creating apps, and want to keep them free forever.
In order to keep our development running, Serial Terminal for USB is ad-supported to generate some revenue.
Thank you for understanding.

Is USB Serial Terminal Ultimate safe?

StoreTally doesn't rate safety. Here's what the store and our tracking show:

  • Listed on Google Play.
  • Made by The Sun App Developers; developer website listed: senniksoft.com. Details →
  • On Google Play since 2016-12-30. Last updated 2026-02-21.
  • Rated 3.3 from 50 ratings. Details →

Reviews The reviews Google Play shows first (its most relevant), from the US store, in any language.

From 49 ratings.

Growth change in installs

Per Growth Growth % Actual change Measured over
day Not enough history yet
week +11 +0.1% +26 17.3 days
month +45 +0.4% +68 45.6 days
year Not enough history yet
How these figures are measured

Change in installs, scaled to each window from the real gap between crawls. A window needs a full period of history before it reports anything.

Tracking since 2026-09-10. History accumulates as changes are observed — check back soon.

Alternatives to USB Serial Terminal Ultimate

Name Installs Rating
Serial USB Terminal by Kai Morich 818,710 4.4
Printer Serial USB Bluetooth by john marin 292,935 3.4
USB Serial Control Panel Lite by LIM HO SEON 149,915 3.4
Serial WiFi Terminal by Kai Morich 124,264 4.4
Arduino USB Terminal (Open) by superus8r 115,535 4.4
ZTerminal - USB Terminal by REDZ Smart Communication 54,586 4.6
USB HID TERMINAL by Ihor Lavryniuk 36,731 4.0
Bluetooth Terminal (BT Serial) by Enamel BD 24,493 4.0
USB Terminal by SerialCloud 12,225 —
Serial USB OTG by john faber marin 10,058 —

Rising in Tools this week

NameInstalls gainedWeek
LuckyMoney climbed 80,631 places this week +209,095 +159%
Jump VPN - Fast & Secure competitor App VPN: Fast & Secure VPN delisted 8 Nov +119,642 +103%
Tricky Couples Launcher climbed 44,419 places this week +195,382 +78.6%
PadLink: Remote Play Gamepad v1.9 on 5 Nov +174,461 +77.1%
Play Tube - Block Ads on Video +86,325 +73.3%