Speaker Toolkit
Dang Van Thanh Utilities iPhoneiPadiPod touch
Speaker Toolkit is a free Utilities app for iPhone and iPad by Dang Van Thanh. Requires iOS 15.0. Updated August 17, 2026.
- Price
- Free
- on the App Store
- Size
- 8 MB
- Age 4+
- Updated
- Aug 17
- 2026 · v1.2
Screenshots
About Speaker Toolkit
A pocket audio lab for testing and exercising your iPhone speaker. Every tool generates sound locally — no microphone, no network, no account. • Speaker Cleaner — preset sweeps that may help dislodge loose water or dust. • Air Blower — shaped wind noise, four power levels. • Frequency Generator — 20 Hz to 20 kHz with live oscilloscope. • Speaker Test — Left, Right, Stereo, Bass, Treble diagnostics. • Noise Lab — White, Pink, Brown noise. Sound waves, not magic. Cannot repair damaged hardware.
What’s new
Version 1.2 · Updated August 17, 2026
Fix bugs and improving user experience
App privacy
The developer, Dang Van Thanh, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: Device ID
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
Used for: Analytics
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