Sonic - Hertz speaker test app

KEY FEATURES:
- Sonic app generates a sine wave tone with easy precise control over the frequency.
- Plays tone sounds that can help you test your speakers.
- Create different frequencies, drive insects away or compare your hearing ability with your friends and relatives.
- Swipe your finger up and down to raise or lower the frequency of the tones.
- Directly check the frequency by professional wave visualization.

SUBSCRIPTION INFORMATION:
- Subscribe to unlock all access
- Payment will be charged to iTunes Account at confirmation of purchase
- Account will be charged for renewal within 24-hours prior to the end of the current period, at the same price
- Free trial subscription is automatically renewed unless cancelled 24 hours before the renewal
- Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase


Terms of Use: https://liuhang080.wixsite.com/sonic/terms
Privacy Policy: https://liuhang080.wixsite.com/sonic/privacy

Support: liuhang080@icloud.com Show More