- Updates to support latest android versions
- Stability fixes

This update from Apple will improve the functionality of this app. No new features are included.

Minor Bug Fixes

You can now use with an external Bluetooth Speaker.
Background audio is supported.

NOTE: Connect to the speaker prior to running the app. While connected to Bluetooth the input is disabled.

Fixed some crashing issues with iOS9
Greater calibration range for +/- 40Hz
Added a new Multi-Tone section allowing you to layer up to 8 frequencies and save them as presets.

Removed In-App Purchases. All features are now available without Adds.

Tone Generator is now a paid application.

Native iOS7 support, additional social links and push notifications added.

Unlocked product now offers chromatic pitch detection of external sources showing detected frequency or how close to nearest musical note (great for instrument tuning).

Increased sweep duration in unlocked product.

Maximized initial volume output. Minor UI position fix.