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TreeHole
Private AI journal that becomes your digital avatar.
Finally feel heard. You just talk about your day, and TreeHole quietly turns it into a life journal — so the next time you talk, the version of you that already made it through comes back to sit with you now. Over time those diaries become something more: a digital avatar you can leave for the people you love — your children, say — so that one day, in your own voice, you can still be there for the nights you can't. Everything encrypted at rest with AES-256-GCM.
I'm Yunfei. I built TreeHole because I've lived with depression for nearly 20 years.
Medication and therapy helped with the symptoms, but the thing that actually reached me was never advice from outside — it was rereading my own old reflections. Hearing my past self, the one who'd already survived the same dark nights, speak to my present self felt more real than anything anyone else could tell me.
The problem is that almost no one (me included) can keep up a journaling habit. So TreeHole flips it around: you just talk about your day and how it felt — like messaging a friend. The AI quietly turns that into a thoughtful entry in a private life journal, and the next time you talk, it brings back the relevant past entries, so the version of you that already made it through can sit with you again.
On privacy: your entries are encrypted at rest (AES-256-GCM), isolated per account, and you never have to give your real name. I'll be straight about the limit, too — to write your journal the app has to decrypt your text server-side, so technically I could read it. I say so plainly in the ToS, and taking even myself out of that trust boundary (TEE) is on the roadmap. For a privacy product I'd rather tell you exactly what it is than overclaim.
This is my honest attempt to build the tool I wish I'd had years ago. I'd love your thoughts, your feedback, or your own experiences — especially if you've struggled with something similar.
Thank you for checking it out ❤️
About TreeHole on Product Hunt
“Private AI journal that becomes your digital avatar.”
TreeHole was submitted on Product Hunt and earned 0 upvotes and 2 comments, placing #110 on the daily leaderboard. Finally feel heard. You just talk about your day, and TreeHole quietly turns it into a life journal — so the next time you talk, the version of you that already made it through comes back to sit with you now. Over time those diaries become something more: a digital avatar you can leave for the people you love — your children, say — so that one day, in your own voice, you can still be there for the nights you can't. Everything encrypted at rest with AES-256-GCM.
On the analytics side, TreeHole competes within Android, Writing, Artificial Intelligence and Health — topics that collectively have 597.5k followers on Product Hunt. The dashboard above tracks how TreeHole performed against the three products that launched closest to it on the same day.
Who hunted TreeHole?
TreeHole was hunted by Yunfei Duan. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of TreeHole including community comment highlights and product details, visit the product overview.
Yunfei Duan
Hi everyone 👋
I'm Yunfei. I built TreeHole because I've lived with depression for nearly 20 years.
Medication and therapy helped with the symptoms, but the thing that actually reached me was never advice from outside — it was rereading my own old reflections. Hearing my past self, the one who'd already survived the same dark nights, speak to my present self felt more real than anything anyone else could tell me.
The problem is that almost no one (me included) can keep up a journaling habit. So TreeHole flips it around: you just talk about your day and how it felt — like messaging a friend. The AI quietly turns that into a thoughtful entry in a private life journal, and the next time you talk, it brings back the relevant past entries, so the version of you that already made it through can sit with you again.
On privacy: your entries are encrypted at rest (AES-256-GCM), isolated per account, and you never have to give your real name. I'll be straight about the limit, too — to write your journal the app has to decrypt your text server-side, so technically I could read it. I say so plainly in the ToS, and taking even myself out of that trust boundary (TEE) is on the roadmap. For a privacy product I'd rather tell you exactly what it is than overclaim.
This is my honest attempt to build the tool I wish I'd had years ago. I'd love your thoughts, your feedback, or your own experiences — especially if you've struggled with something similar.
Thank you for checking it out ❤️