Numerous features intended to improve user experience and security are included in the Earn Tuffer Voice Lock App. Its multi-user feature, which enables several useholy rummyrs to record their voices within a single app instance, is one of its best features. For small teams or families who want to share access to specific apps or devices without compromising personal security settings, this is especially helpful. Since each user's voice profile is kept apart, access is kept private and restricted.