Only the current version so far — new entries appear as the app ships updates.
NeSYNC is a productivity app by radius co., ltd. with 1,000+ downloads (about 1.4K estimated). +9 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “By linking with the completely wireless earphones of radius compatible with the app, the viewing environment and earphones are integrated to support the desired music experience.”