Only the current version so far — new entries appear as the app ships updates.
Playback Mic - input to output is a tools app by Time Tools with 500,000+ downloads (about 610K estimated). +3.7K installs in the last 7 days. Rated 3.8 from 1.3K ratings. Released Jun 8, 2019. Install growth, rank history, SDKs and ad networks.
From the store listing: “Output from mic to file or headphones with custom delay. Zero delay NOT possible”