Welcome to Collar & Key, the first release.<br>- Build and sign a contract together, with rules, rewards, consequences and full amendment history<br>- A safeword that stops everything, from anywhere in the app<br>- Tasks with schedules and photo or video evidence, plus commands and permission requests<br>- Check-ins, guided programs, chastity keyholding, scenes and a shared journal<br>- Works
Only the current version so far — new entries appear as the app ships updates.
Collar & Key is a lifestyle app by V&B Software with 10+ downloads (about 45 estimated). +45 installs in the last 7 days. Released Oct 21, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Consensual power exchange, run like an agreement: contract, rules, tasks.”
