Apps Like Strobe tachometer (RPM meter) for iPhone and iPad
Adjust flicker frequency to measure speed
Measure rotational speed using flicker frequency analysis. Adjust frequency with precision up to 1000 Hz. Detect stationary motion by matching flicker rates. Control connected flashlight for testing. View frequency and RPM values in real time.
by Dmitriy Kharutskiy★ 4.383 ratingsUtilitiesFreeData updated 2026-09-09
Measure atmospheric pressure using the device's barometric sensor. Determine elevation with GPS-based altimeter. Access a ruler, surface level, metronome, stopwatch, timer, and seismometer. Includes flashlight.
Read vehicle diagnostic codes and monitor engine performance. Connect to an ELM327 adapter via Bluetooth. View fault codes, reset check engine light, and access real-time data. Track vehicle parameters and store diagnostic history.
Read and interpret OBD2 diagnostic trouble codes. Reset the check engine light. Monitor real-time vehicle data. Communicate with ELM 327 devices. View sensor values and system statuses. Save and share diagnostic reports.
Play a battle game by selecting a and attacking opponents with collisions. Spin your to deal damage and collect items from the field. Increase spin speed (RPM) to rank higher on the leaderboard. Avoid being hit by other players' spinners.
View race results and ProSkill® data for racers. Access event updates and special announcements. Book races and display QR/member card to bypass track queues.
Control LED brightness and use built-in screen or LED for lighting. Access different light modes for stroboscope, graffiti, and SOS. Enable fullscreen mode without interface elements. Use Siri Shortcuts and quick home screen actions. Customize icon.
Measure levels in decibels using the device’s microphone. Display real-time audio frequency and dB readings. Apply filters for specific frequency and dB ranges. Share measurements via Messages, Email, WhatsApp, Notes, and other apps.
Compress and extract ZIP, RAR, 7Z, and other archive formats. Support password-protected and AES encrypted files. Compress photos and videos. View and manage archive contents. Share compressed files directly.
Listen to live streams in stereo or mono, access archives and podcasts, and view playlists. Comment on shows in real-time, bookmark songs, and share favorites. Download archives for offline use and watch video feeds.
Create calming fan sounds to aid sleep. Adjust fan speed for personalized comfort. Set a timer to control playback duration. Listen to for better sleep quality and relaxation.
Extract and view compressed files like ZIP, RAR, 7Z, and TAR. Open and stream videos within archives. Manage documents and organize files directly. Compress files for storage or sharing. Access cloud drive archives and game files without a computer.
Monitor and measure electrical parameters like current, voltage, and RPM. Record data and upload it online. Track routes on Google Maps. View detailed interactive charts. Share links with others. Adjust speed modes and create videos with overlays.
View 4K wallpapers with animated backgrounds. Browse a collection of high-quality visuals featuring characters and scenes. Set as device . Explore action and serene gaming moments.