Hi Knock Knock vs MeMoi' Usage & Stats
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 App Store
- Free
- Utilities
Store Rank
- -
MeMoi' is your personal life tracker, designed to help you document and cherish every significant moment. From countries traveled and cities explored to sports played and concerts attended, MeMoi' keeps all your life events organized in one place. Easily add new entries, explore friends' timelines, and visualize your family tree with our intuitive and user-friendly interface. Personalize your profile and dive into the details of your past experiences to celebrate your journey. Start capturing your memories today with MeMoi'!
- Apple App Store
- Free
- Utilities
Store Rank
- -
Hi Knock Knock VS. 
MeMoi'January 9, 2026