This app offers a private space to share your thoughts and feelings anonymously. Connect with others through "drift bottles" or find friends to chat with, all within a secure and encrypted environment.
笔友日记 by Chengdu Alkaid Technology Co. Ltd.



33+ similar apps compared and reviewed
Whether you want more options like 1037树洞 or a completely different take on the same concept, our curated list of 33+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.








This app offers a private space to share your thoughts and feelings anonymously. Connect with others through "drift bottles" or find friends to chat with, all within a secure and encrypted environment.


This app helps users record and understand their emotions through journaling, anonymous sharing, and community features. It offers tools for self-healing and connecting with others who share similar interests.




Discover new connections by sending and receiving virtual messages in bottles. Share your life and find someone who understands you. Experience a classic way to meet new people.






Connect with interesting people through a unique messaging experience. Share your thoughts, emotions, and find companionship in a simple yet surprising way. Discover new connections and alleviate loneliness.


This app allows users to record their thoughts and feelings, anonymously sharing them with others. It matches users with similar ideas or moods, fostering new friendships and private conversations. Discover like-minded individuals and add a touch of surprise to your daily life.