Showing 21–40 of 1,000 ranked alternatives.
Ana Danilov
Generate tones and control output
Allows users to generate tones across a 0 to 20,000 hertz range. It includes preloaded sounds for various uses. Users can switch audio output between device speakers and external outputs. The provides visualizations of sound waves in real time.
振山 董
Play sound effects and trigger pranks
Select a sound effect from 70+ options including air , police siren, and zombie noises. Long press to trigger the sound. Play the selected sound to surprise others. Share the via social media or messaging.
Next Vision Limited
Identify rocks, crystals, and minerals from photos
Identify rocks, crystals, minerals, and gemstones by uploading or taking a photo. Learn about their properties, origins, and uses. Access a comprehensive database with detailed information on each .
月弯弯 郝
Play sounds to deter dogs and mosquitoes
Play sounds to amplify output. udio frequencies between 0 and 20,000 Hz. Use to deter dogs and mosquitoes. Offer weekly subscription for premium features.
Kevin Srichurat
Say, test, prank, laugh together
Users can speak into the to claim a statement is true or false. The analyzes speech patterns to detect lies. Users can choose to randomize or customize result outcomes. They can share results with friends via text or social media.
Jorge Gregorio Martin Bello
Detect EMF levels and receive alerts
Detect electromagnetic fields using your device as a sensor. Measure and track magnetic fields in real time. Receive warnings with a beep when high levels are detected. Check EMF levels around your bed and household appliances.
EZVIZ Inc.
View live feeds, record footage, and manage
Monitor live video feeds from security cameras and smart home devices. Receive motion detection alerts and take real-time action. Control device settings remotely. View recorded footage and manage device schedules. Share camera access with others.
Giorgia De Giorgi
Detect hidden cameras and objects
Detect metals and magnetic fields with a built-in . Identify hidden cameras and other objects. Scan environments for security and home improvement tasks. Save and share scan results.
NETTuno s.r.l.
Repel mosquitoes with ultrasound naturally.
The app plays an ultrasound to repel mosquitoes. It features audio background playback, a widget for safety status, and social reports to map mosquito presence.
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