Test your iPhone or iPad for display issues, sensor functionality, and connectivity. Perform brightness, color, touch, and multi-touch . sound, keyboard, and notification LED. Verify warranty status and run comprehensive system diagnostics.
Create tones between 0.01 and 50Hz with adjustable carrier frequencies from 50 to 999Hz. Mix tones with custom music and adjust wave volume. Set timers up to 59 minutes. Program target frequencies for brain entrainment.
Detects objects by measuring magnetic field strength. Displays real-time magnetic field levels in microtesla. Alerts users when is detected nearby. Uses built-in phone sensors for accurate readings.
Monitor device data including , network usage, and system information. Record logs over time and export data in various formats. View detailed device specifications and track changes in real-time. Remove ads with a purchase.
Practice strokes, listen to pronunciations, read meanings
Learn Mandarin and Cantonese with stroke-order practice, pronunciation quizzes, and example sentences. Listen to pronunciations and read meanings. Use Apple speech recognition for accurate speaking feedback.
View real-time locations of friends and family on a map. Share invitations via SMS or social platforms. Locate contacts from any web-enabled device without needing an or account. No advertisements.
Locate lost Bluetooth devices using real-time signal tracking. View signal strength to estimate proximity. Follow guided search instructions to move closer. Works with most Bluetooth-enabled devices.