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Show HN: Echologue – the private AI voice journal I built for myself

https://echologue.com/
10•arisAlexis•1h ago
I have tried journaling many times but nothing stuck. So I decided to make my own app for myself with these features:

* Voice first

* Private first

* AI chat

* Automatic tagging, meaning extraction, and semantic retrieval using embeddings stored locally

* Export to LLM

the AI angle is especially interesting for me. It allows me to ask questions like:

* "remind me highlights and crazy nights in the last 3 months"

* "How was I feeling during my trip in Spain and how big of a problem was my breakup"

* "How would you judge my overall interactions with Marc after I told him about my problems"

the overall process is fire and forget. I just talk for let's say a minute every day or when there was something of interest.

Everything is stored on device. The AI inference is done with Zero Data Retention Endpoints. No email or anything else is kept, you are completely anonymous, I have no idea what or how people use this.

Otherwise journaling doesn't work. I can't say my secret thoughts when I know someone has a master key or can suffer a security breach.

I hope you enjoy the product as much as I do.

Comments

parthmule28•1h ago
I just tried the android application, really like the privacy first approach. Would you consider adding BYOK so that a user could have complete control over where inference happens? I realize it might not fit your architecture, but it seems like a neat optional setting. Either way, neat project.
arisAlexis•31m ago
I did consider it at one point the problem is that the prompt and instruction following for formating and extracting tags, nouns etc and the json returns are unreliable if you switch models and especially if it's an older model. right now i'm using Gemma 4 and works smoothly so it would need to be BYOK for gemma only which is doable. If more people ask I could do it sure.
sgc•28m ago
I would not use a personal journaling app that didn't give me that type of control, so here's one more asking :)
arisAlexis•8m ago
the best would be on device inference only but we need maybe 6 months for a small model to match capabilities yet. I wanted to do it like that but even my pixel 10 suffered.
dthcst•1h ago
Same reason here: I got tired of my stuff living on someone else's server, so I ended up building my own local memory thing. Not a developer at all, just stubborn.

Two honest questions, since you built it for yourself first:

1. Are the entries plain files I can open and read without your app, or a database? For me that ended up being the whole point. If I can't read it without you, it's not really mine.

2. You say everything is on device, but inference goes to a zero-retention endpoint. Have you looked at running a small local model for the AI part? "Private" and "my text leaves the machine" are hard to hold together in one sentence.

Not a criticism, I hit the same wall myself. Nice project.

arisAlexis•26m ago
1) the app is using a database stored on your phone. you can export it all in json or llm format. the one is for export/import and the other to feed an LLM with your data to chat more

2) yes I tried it and it becomes so slow it's unworkable right now but in a future version totally possible. Gemma 4 needs an iphone 17 pro or similar to run in a normal timeframe and still it's slow and also the whisper-large is also very slow. it would also need to download some gigs of data. but that was actually the first version I built :)

kingkemol888•1h ago
Great,maybe a Great Work!
hsoc•51m ago
I downloaded it today. Pretty cool

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