– Offline Recording. NatCorder supports recording in a for-loop. This is especially useful for transcoding applications.

– Threaded Recording. NatCorder is thread-safe, allowing you to record in worker threads to further improve performance.

– Lightweight Package. The API is specifically designed not to add unnecessary baggage or overhead to your project.

Check out the documentation.

Check out the forum thread.

Check out the written tutorials:
1. Unity Recording Made Easy
2. Audio Workflows

Requirements
– Unity 2018.3+
– Android API Level 21+
– iOS 11+
– macOS 10.13+
– Windows 10+, 64-bit only

Check out the details & buy a license from the Unity Asset Store: https://assetstore.unity.com/packages/tools/integration/natcorder-video-recording-api-102645

Now Download NatCorder – Video Recording API Free Unity