The app displays a short phrase using large letters on the screen. It is useful when users cannot speak or make noise, allowing messages to be sent to people at a short distance.
by Takeshi Ogihara★ 4.01 ratingsUtilitiesFreeData updated 2026-09-25
Track racing times using GPS at 60 feet, 330 feet, 660 feet, 1000 feet, 1/4 mile, and 1/2 mile. Record and view session data. Export results and share via email. Requires secure installation on a vehicle dashboard for accurate measurements.
Create and display large, scrolling on your phone as an LED sign. Customize size, color, and speed. Add flashing effects and background images. Share designs via social media or messaging apps. Sync with other devices for group displays.
Perform calculations with live voice input. Use an ergonomic key layout with an extra large "+" key and backspace function. Copy and send results via email. Support dark mode and retina display on all iPads and iPhones. Track usage history.
Allows users to start a with one tap. It displays the end time on the screen and notifies users in the background when the finishes. It vibrates the device for silent use and enables easy repetition of the at set intervals.
Allows users to create unlimited timers and start them with a simple set and play function. Stopwatches include lap tracking and a clear display. Timers make noise upon completion. Users can delete timers using an 'X' button.
Displays current with a large degree reading and a pointing arrow. Shows cardinal directions and a rotating rose. Includes a flashlight for low-light visibility. Provides accurate north orientation for land and marine navigation.
Display current speed using GPS and show speed limits via online checks. Alert when exceeding speed limits. Track weather, temperature, odometer, altitude, and average/max speed.
Turns iPhone or iPad into an LED display with large text or images. Adjust text size, color, and font. Create blinking animations and save as templates, videos, or GIFs. Display messages clearly from a distance. Customize LED text settings.
Create LED banners with customizable font colors and background edits. Share messages quickly through the . Use as a tool to convey information and express support or love. Add text and design elements to personalize content.
Displays the current time and date in large, readable text. Swipe up to access settings. Choose between 12-hour and 24-hour time format. Select date display options. Toggle visibility of the date and seconds.
The app displays the last bingo ball selected in large text with a colored background. Previous balls are shown in the foreground as new balls are selected.
Display messages using LED screen effects, banners, colors, and custom fonts. Customize text and animations. Share content via social media or email. Adjust brightness and timing settings.
Set alarms with customizable sounds and 24/12 hour format. Display time in a large red LCD style with Retina clarity. Use big buttons for easy interaction. Syncs with iPhone settings automatically.
Explore color combinations by randomly displaying multiple colors. Adjust individual colors using RGB sliders. Choose from three display patterns including red-only and monochrome options. Fix specific colors and find matching variations.
Allows users to open multiple web pages on a single screen. Users can browse up to 9 tabs simultaneously. They can switch between tasks like email, shopping, and web searching without switching tabs. Full screen and incognito modes are supported.
AV Aid detects and displays available output resolutions when connected to a projector or monitor via VGA, HDMI, or Airplay. Users can select a resolution and generate color bars or test patterns.