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★ 4.637,327 ratingsMusicFreeData updated 2026-11-12
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Increase device beyond system limits for speakers, headphones, and earphones. Adjust bass and overall sound output. Enhance audio quality for music and media playback.
Test speakers by playing calibrated sound tones. Measure sound levels in decibels and frequency. Check microphone functionality by analyzing input levels. Subscribe for weekly or monthly access to advanced testing features.
Scan documents offline with a user-friendly interface. Capture multiple pages smoothly. Add e-signatures and highlight text. Convert scanned files to editable text using OCR. Print PDFs directly. Compress files for easier sharing.
Clean speakers and headphones using sound waves to remove dust and moisture without disassembly. Perform automatic or manual cleaning with scheduled reminders. Conduct basic sound tests to check speaker functionality.
The app provides essential calculation functions like addition, subtraction, multiplication, division, and percent. It also offers multiple color schemes and the ability to copy results.
Locate Bluetooth devices using a scanner. Track headphones, earbuds, smartwatches, phones, and tablets. Receive notifications when devices are found. View names and signal strength. Connect via Bluetooth to trigger sounds.
Control wireless speakers and music centers from iPhone or iPad. Connect via Wi-Fi or Bluetooth to play music from phone library. Auto detect speakers and resume previous sessions. Stream music directly from iPhone.
Increase audio up to 1000% without distortion. Enhance low-quality sound clarity. Adjust levels for weak microphone or speaker outputs. Amplify audio files while maintaining sound quality.
Take photos to text in over 100 languages. OCR technology identifies text, and AI provides translations. View translated text overlaid on the original. Use offline without internet. Automatically detect language. Share translated text.
Scan QR codes, barcodes, and other supported types to retrieve detailed product and food information. View scan history and access QR data cards. Subscribe for a PRO account to get unlimited scans, product details, and ad-free experience.
Telephone communication by simulating phone scenarios. Choose different situations to responses. Receive feedback on tone and clarity. Record and review conversations. Access advanced features with a VIP subscription.
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Measure size using metric or imperial units, choose diameter or circumference, and use visual guides for accurate measurement. Supports sizes for USA, Australia, UK, Europe, Japan, and China. Share size on social networks.
Test phone speakers with tones ranging from 0 Hz to 25 kHz. Use manual or automatic mode to assess performance. Perform stereo tests to evaluate sound quality. Clean speakers by generating frequencies to remove dust and buildup.
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Play music with boosting, amplification, and equalizer settings. Access local and cloud music libraries. Download tracks for offline playback. Shuffle songs and customize audio presets. Control playback from anywhere.