Hi Knock Knock 对比 BLACKBOOK JOURNAL 的使用情况和统计数据
Knock knock! Who’s there?
It’s us, HiKnockKnock, delivering kind private messages for you to the people you care about. We help you make someone’s day a little better! Choose a message and we send it for you, all while keeping your privacy secure. With lots of message categories to choose from, finding just the right message to send is easy. It feels good to give without expectation and of course, it feels good to receive too! Let’s spread some kindness together… Join in on the fun and pay it forward!
*Note: Sending messages require additional in-app purchases.
- Apple 应用商店
- 免费
- 公共事业
商店排名
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BLACKBOOK JOURNAL ● is an app designed to help monitor the sensual experiences that matter the most to you. It's a powerful assistant that keeps detailed records while maintaining simplicity.
There’s enough structure to quickly jot down an experience, but open enough to let you fill in the details however you see fit.
- Apple 应用商店
- 免费
- 公共事业
商店排名
- -
Hi Knock Knock VS. 
BLACKBOOK JOURNAL一月 23, 2026