佛珠 - 念佛神器 is a virtual Buddhist prayer beads app available on the iPhone platform. It offers a realistic simulation of using prayer beads, complete with vibration feedback and sound effects. The app supports multiple bead skins and counting functionalities, allowing users to customize their prayer experience. It also provides options for automatic chanting, control over speed, and volume of sound effects. With 佛珠 - 念佛神器, users can carry the spiritual practice of chanting anywhere and anytime.

Please note that this app is free to download and use. However, there are subscription options available for users who wish to access additional features. The subscription options include monthly and yearly memberships, which can be purchased and managed through the user's iTunes account. Users will be charged automatically for renewal within 24 hours before the end of the current subscription period. To cancel the subscription, users can go to the "iTunes Store and App Store," click on their App ID, go to "Account Settings," select "Subscriptions," and choose to cancel. If there are any issues with the subscription, users can also click on the "Restore Subscription" button in the top right corner.