A minor fix.

Runtime efficiency improvements, which result in better battery life, particularly on older devices.

A minor fix.

Eliminate a few issues for longer usage cycles.

Minor fixes.

When switching between built-in microphone and headset microphone, stop the recording if there is one in progress.

Expand compatibility to include systems as old as iOS 13.0.

Prepare for expanding device compatibility.

Keep microphone selection during headset plugging in/out.

Makes recording files available through the Files app.

Stability fixes.

Tweaked the design of the bottom control panel for better presentation on devices with the Home button.

Improve stability of mic toggling.

Minor fixes.

Correct logo under iOS 16

Minor fix

Support the use of headset microphone as the input, to better capture voice :)

Make resuming from background more robust, so the app won't crash when it is woken up from a night's sleep.

Fixed occasional crash occurring while turning on/off mic input.

Attenuate low bass to leave city humming behind, and make the sound of touching microphone less numbing. Other frequencies are kept untouched.

Fixes crash during back-and-forth switch between playback and mic-on.

1. in addition to 48,000Hz sample rate on more recent devices, supports 44,100Hz sample rate on older devices; 2. fixes share menu on iPad.

Improvements as follows: 1. use localized language in share menu; 2. let filename includes recording start date and recording duration.

Keep the level meter enabled as long as mic is on. And the level meter is optimized for efficient battery usage.

Handles audio interruptions such as phone calls, timers, etc.