Test audio output with customizable sound tones to evaluate speaker performance. Measure decibels and hertz using a built-in sound level meter. Check microphone quality by analyzing sound input levels.
by Appchi LLC★ 4.637,325 ratingsMusicFreeData updated 2026-11-12
Create custom ringtones from songs, sounds, or voice memos. Trim audio clips and set start/end points. Save as , text tone, or alert sound. Share ringtones with others. Sync with to apply custom sounds.
Track lost devices with real-time location updates via live map. Receive vibration and sound alerts when devices are nearby. Pin favorite devices for quick access. Manage multiple devices and view location history.
Securely route internet traffic through trusted servers to protect data. Set up custom proxy configurations. Manage subscription plans for monthly or annual access. Enable automatic renewal or disable it before renewal date.
Access wallpapers for WeChat with free and premium options. Premium membership costs $0.99 monthly or $3.99 yearly. Payment is processed via iTunes account. Subscriptions renew automatically unless canceled.
Solve problems with step-by-step explanations. Get help with multiple-choice, short-answer, and complex subjects. Prepare for quizzes, tests, and exams. Access premium features via subscription. Track progress and review solutions.
View storage usage and free space. Identify and delete similar, blurry, and duplicate photos. Remove screenshots, large files, and unused albums. Monitor CPU load and battery health.