Sonic Wave: Sound Louder

Sonic Wave is a speaker tester, speaker clear and stereo tester!
You can swipe your finger up and down to raise and low the tone at any frequency. Also choose clean sound to the speaker. You can test your phone's decibels and hertz with a click!
Subscription:
- 1 Weekly Subscription: $2.99
- 1 Monthly Subscription: $9.99
Pricing in other countries may vary and charges may be converted to your local currency depending on the country you live in.
You can purchase an auto-renewable subscription to get full access. Your subscription will be charged to your iTunes account at confirmation of purchase. The subscription automatically renews for the same price and the duration period depends on the selected plan (weekly, monthly, yearly) unless canceled at least 24 hours before the end of the current period. You can turn off the auto-renewal feature at any time by changing your account settings.

Terms of Use: https://sites.google.com/view/clearwave-terms-of-use/home
Privacy Policy: https://sites.google.com/view/clearwave-privacy-policy/home