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
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.
Displays current wind direction and speed, runway course, and cross, head, or tailwind components. It shows applied wind limits, forbidden wind angles, and a maximum wind speed table. Users can set up wind parameters for accurate flight evaluations.
Send and receive instantly with one-touch transactions. Buy directly and complete deposits quickly. Enter Unstoppable Domain names for faster address input. Backup and recover wallet using a recovery phrase across devices.
Analyze real-time audio for musical scale, , octave, frequency, and waveform. Measure vocal range and detect Do, Re, Mi. Practice accuracy and tune instruments. Pause analysis to review results. Display waveform and frequency data for voice training.
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.
Perform calculations using reverse Polish notation. Swipe to undo or redo operations. Access a 100-entry stack and 6 memory buttons. View large, easy-to-read displays. Save state on exit. Supports scientific functions and multiple undo/redo levels.
Scan and locate Bluetooth devices from Apple, FitBit, and Garmin. Identify nearby devices and view signal strength, heat maps, or direction. Find paired devices by turning off Bluetooth on other devices.
Display custom messages with 5 user-defined entries and 35 symbol characters. Show date and time in 3 formats each. Display tweets from 3 feeds and music details. Adjust scroll and blink speed. Enable landscape-only, upside-down, or mirrored display.
Take photos by setting time from 1 second to 180 seconds. Capture night scenes, fireworks, and starry skies. Use Bluetooth remote shutter for hands-free shooting. Adjust settings for dark environments to avoid overexposure.
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.
Displays current time with customizable 3D map and photo wallpapers. Adjust clock font color, size, and background. Add custom text beneath the clock. Includes music alarm, timer, and stopwatch. Supports widget display.
FP performs basic arithmetic, currency conversions, and unit conversions. Users can switch between dark and light modes. Split-screen mode is available on iPad.
Translate spoken and written across over 150 languages using AI. Convert text, images, and objects into target languages. Speak, type, or scan content for translation. Access a built-in dictionary for word definitions and vocabulary learning.
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.
Measure levels in real time using decibels. Display minimum, average, and maximum values. Stop and reset the measurement. Customize background and text colors.
Create dynamic LED text displays with customizable effects like movement, neon flashing, and size changes. Input text to generate animated displays. Use for announcements, expressions, and entertainment purposes.
By reading stories and phrases sorted by HSK levels. Listen to voiced phrases with pinyin representation. View translations for sentences or individual words. Translate any phrase within the . No cost.