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GUI-O application offers two installation options: Google Play and Web installation. Please read the information below carefully, before selecting the best option for your project.

Use up to 6 widgets for free without limits in DEMO version.

LATEST VERSION

What's new (version 1.0.97)

• fixed issue with GUI initialization from file

What's new (version 1.0.96)

• fixed device specific issue

What's new (version 1.0.95)

• added ACT (active) property to text area, checkbox and radio button widgets

What's new (version 1.0.94)

• added the ability to query a widget's current value (e.g., toggle state, slider value, etc.)

What's new (version 1.0.93)

• minor fix for some USB serial devices

What's new (version 1.0.92)

• updated USB serial library

• improved button widget

What's new (version 1.0.91)

• minor fix

What's new (version 1.0.90)

• improved multi-screen widget display

• improved chart widget

• added custom widget scaling option

• added option to retrieve display properties

What's new (version 1.0.89)

• implemented widgets bounding

• improved chart widget

• added Polish translations

What's new (version 1.0.88)

• improved image streaming for Local WiFi connection

• improved chart widget

• disabled image streaming for Bluetooth connection (performance issues)

What's new (version 1.0.87)

• improved menus

• added support for live image stream (Local and Bluetooth connection)

• added new translations

What's new (version 1.0.85)

• improved file writer / reader (EXTF hardware type)

• added support for opening kml (Google Earth) files

What's new (version 1.0.84)

• resolved an issue that caused crashes on certain devices

What's new (version 1.0.83)

• removed unnecessary permissions for Android 13+

• added support for new in-app products (used for personalized app)

What's new (version 1.0.81)

• access to GUI-O MQTT broker is now available in PRO version only

What's new (version 1.0.80)

• fixed minor data parsing issue

What's new (version 1.0.79)

• updated Google Play Billing Library

What's new (version 1.0.78)

• support for Android 14

What's new (version 1.0.74)

• added option to report bug or issue directly from app

• disabled CB widget width and height limits check

• fixed some translations 

What's new (version 1.0.73)

• added support for German and Portuguese languages

• minor fixes and improvements 

What's new (version 1.0.71)

• improved text and number input widgets

• settings menu cleanup

• general fixes and improvements

What's new (version 1.0.67)

• further improved bar chart widget

• fixed label widget bug

What's new (version 1.0.66)

• implemented filtering of stored devices

• implemented auto-scale and custom scaling for bar chart widget

What's new (version 1.0.65)

• implemented polar chart widget

• implemented radar chart widget

• implemented linear chart widget

• improved bar chart widget

• added support for two new fonts

What's new (version 1.0.64)

• minor UI improvements

• chart widget bugfix

• modified review flow

What's new (version 1.0.63)

• improved menu for adding IoT devices

• improved menu for adding Local devices

What's new (version 1.0.62)

• increased server communication security

• added persistence to IoT push notifications (MQTT QOS1 or QOS2)

What's new (version 1.0.61)

• implemented custom push notifications

What's new (version 1.0.58)

• minor fix to DRB widget

• minor fix to CA widget

IMPORTANT: Web installation is no longer receiving updates! Please use Google Play installation instead.

What's new (version 1.0.57)

• Removed banner from demo version

What's new (version 1.0.56)

• Simplified devices quick connection

• Simplified devices handling

• UI improvements

• Minor fixes

What's new (version 1.0.55)

• minor bug fixes

• UI improvements when adding and connecting devices

What's new (version 1.0.54)

• Android 13 support

• minor fixes

• minor improvements

What's new (version 1.0.51)

• improved CB (circular bar / dial widget)

• improved SL (slider widget)

• minor change to startup tutorial screen

What's new (version 1.0.49)

• minor UI improvements

What's new (version 1.0.48)

• improvements to in-app purchases (applicable for Google Play application only)

• minor bugfix when importing custom IoT certificates

What's new (version 1.0.47)

• fixed flickering issue when streaming URL images

• support for importing certificates (used with custom MQTT broker)

What's new (version 1.0.46)

• added support for creating GUI via custom initialization files located on the Android device

What's new (version 1.0.45)

• added support for two new widget types (checkbox and radio button)

• minor improvements

What's new (version 1.0.43)

• improved chart auto-scaling

• improved usability when adding or connecting devices

What's new (version 1.0.42)

• added option to disable chart auto scaling

• fixed bug when reading from file

• various improvements

What's new (version 1.0.41)

• improved TI (text input), NI (number input) and LB (label) widgets

• added option to send unique application id in IoT connection mode

What's new (version 1.0.40)

• text for NI and TI widgets can now be left, right or center aligned

• fixed some minor bugs

• minor visual improvements

What's new (version 1.0.39)

• added option to clear home screen widgets manually

What's new (version 1.0.38)

• usability improvements

• general fixes

What's new (version 1.0.37)

• major improvements to device connection handling

• UI improvements

• various fixes

What's new (version 1.0.36)

• usability improvements

• general fixes

What's new (version 1.0.35)

• bugfixes and improvements

What's new (version 1.0.34)

• support for adding new devices via home screen

• support for quick connecting to devices via home screen

What's new (version 1.0.32)

• general app improvements

What's new (version 1.0.31)

• guided device pairing procedure improved (added step-by-step details)

• added support for 2 new serial converters

What's new (version 1.0.29)

• added support for 15+ serial converters

What's new (version 1.0.28)

• further improved guided device pairing procedure (with ESP32, ESP8266, etc.)

What's new (version 1.0.27)

• significantly improved guided device pairing procedure (with ESP32, ESP8266, etc.)

What's new (version 1.0.26)

• bugfix when working with GUI builder in demo mode

• minor other fixes and improvements

What's new (version 1.0.25)

• app now auto-connects to known BLE services and characteristics

What's new (version 1.0.24)

• improved HM-10 BLE module handling

• improved USB serial connection menu

What's new (version 1.0.23)

• minor edits to settings menu texts

What's new (version 1.0.22)

• fixed minor bugs and improved some widgets

• added additional features to developer mode

What's new (version 1.0.21)

• implemented message box widget

What's new (version 1.0.20)

• minor improvements and fixes

What's new (version 1.0.19)

• various bugfixes

• in-app billing update (Google Play variant only)

What's new (version 1.0.18)

• improved image widget

What's new (version 1.0.17)

• improvements and fixes

• improved drop-box widget (item can now be selected via index request)

What's new (version 1.0.16)

• NFC fix when targeting Android 12

What's new (version 1.0.15)

• added support for reading NFC tags

• improved some widgets

What's new (version 1.0.14)

• minor bugfix to list-based widgets

• developers can now retrieve user name set by the user

What's new (version 1.0.13)

• added new property to enable / disable widget interaction

• developers can now retrieve application uuid

What's new (version 1.0.12)

• added support for JPEG compression of live image stream in IoT mode

• minor fixes and improvements

What's new (version 1.0.11)

• added support for live image stream in IoT mode (IMS widget)

• improved IoT push notifications

• minor fixes

What's new (version 1.0.10)

• IoT notifications must now be explicitly cleared by the user

• added timestamp to IoT notification receive event

• added date and time to IoT notification log

What's new (version 1.0.8)

• added support for multiple IoT notifications

• minor fixes and improvements

What's new (version 1.0.3)

• added support for IoT push notifications (see IoT push notifications section in developer manual)

• minor fixes and improvements

• meeting Android API level 31 requirements