Day One is the journaling app most people land on first. It's polished, it's everywhere, it works. I used it for a while. I built Cozy because I wanted something different: a journal that lives on my own computer, in files I can open with any app, that I pay for once.
Is Cozy a good Day One alternative?
Cozy is a Day One alternative for Mac, Windows, iPhone and iPad that keeps your journal as plain files on your own computer. Cozy has no AI in it, and it's $49 once instead of $49.99 a year. Your Day One export comes across in one step, photos and dates included.
It isn't a like-for-like replacement, and I'd rather say so here than let you find out after paying. Day One runs on Android and the web, and it syncs for you. Cozy does neither. If those matter more than owning the files, stay where you are. If they don't, the rest of this page is the detail.
The short version
| What | Day One | Cozy |
|---|---|---|
| AI | Built into the Gold tier | None, and never will be |
| Where entries live | Each device, synced through Day One's servers | A folder on your own computer |
| Format | Its own, read by its app | Plain files any text editor opens |
| Price | $49.99 or $74.99 a year | $49 once, or $89 for Forever |
| Runs on | iPhone, iPad, Mac, Windows, Android, web | Mac, Windows, iPhone, iPad |
| Sync | Built in | Yours to choose: iCloud Drive, Dropbox, any folder |
| Moving your journal | Exports as JSON | Imports that export in one step, photos included |
| If the app goes away | In Day One's database, until you export | Open your folder |
Day One prices and platforms checked October 2026.
The AI difference
Day One's Gold tier is built around AI: Daily Chat can summarise your entries, ask you questions about them, and write back to you about your own life. The features are opt-in, but the invitations to use them are not, and for a lot of people that was the moment the app stopped feeling private.
Cozy has no AI in it. There's no chat window, no summary of your year, no assistant offering to look through what you wrote. Nothing you write is read, trained on, or sent anywhere, and there's no server for it to be sent to. I wrote a longer post about why Cozy doesn't have AI if you want the full reasoning.
“I was a Day One user, but woke up one morning to them encouraging me to use AI to ‘interrogate’ my journal. Nope. That sent me looking for an alternative. I really like Cozy so far! It's clean, it's easy to use, my Day One entries zipped right into it. Thank you!”
Bringing your Day One journal across
This is the first thing people ask me, and fair enough. Nobody wants to retype ten years of diary.
In Day One, export your journal as JSON. You get a zip. In Cozy, press Import next to Day One on the welcome screen and pick that zip. One step, and it's all in.
Your entries come across with their dates, titles and tags. Your photos and videos come with them, copied into the journal folder instead of left behind in the export. So do your places, which means the imported years show up on the map on the first day.
A few things don't make the trip: the time of day, Day One's automatic weather and step count, and anything Day One keeps out of its export entirely. I wrote the move up in full, screenshots and all, in how to move your Day One journal to Cozy, including what doesn't come across.
None of it touches Day One. An export is a copy, so your journal stays exactly where it is while you try Cozy with your real writing in it.
“After using Day One for 15 years, I've made the jump to another journaling app… The never ending push to upgrade, AI inclusion and lack of quality updates is just too much. I've moved to Cozy and I'm really enjoying it. Cozy is lightweight, actively being worked on… I had some issues with the import feature and the developer was very responsive, even releasing a fix that same day.”
u/akalanaya Where your journal lives
Day One keeps your entries on each device and syncs them through its own servers. They use end-to-end encryption, which is good. But the entries still pass through a place you don't directly control, in a format only Day One can read.
Cozy doesn't have a server. Your entries are saved as regular files inside a folder you choose. You can open that folder right now and read your entries in any text editor. They're files.
How sync works
Day One handles sync for you. That's convenient, and it's part of what you pay for.
Cozy doesn't handle sync. But because your journal is a folder, you can put it inside iCloud, Dropbox, or any similar service and it syncs the same way your other files do. One less service to trust: the one you already use for your files does it. If Cozy for iPhone and iPad is part of your setup, use iCloud Drive: it's the only folder an iOS app is allowed to read.
Pricing
Cozy is $49, once. One purchase covers every Mac, Windows PC, iPhone and iPad you own, and it works forever on all of them. Updates on iPhone and iPad are free, always. Updates on Mac and Windows are free for 1 year. Cozy Forever is $89 once and makes updates on Mac and Windows free, always. Day One is a subscription: $49.99 a year for Silver, or $74.99 for Gold, the tier with the AI features. Stop paying and you drop to the free tier: one photo per entry, and no sync.
Bought inside the app, Cozy for iPhone and iPad is $49.99, once, and that includes Cozy for Mac and Windows too. No subscription, ever.
If the company goes away
This is the part I think about most. If Day One shuts down or changes direction, your entries sit on your devices in Day One's own database, and you need its export to take them anywhere.
If Cozy shuts down, you open your folder and keep going. The files were always yours.
So which one is for you?
If you want sync handled for you across every device you own, including Android and the web, and you don't mind paying every year, Day One does that better than anyone.
If you want a quiet journal that lives on your own Mac, PC, iPhone and iPad, in files you control, paid for once, that's what Cozy is for.
Comparing other apps? Read Cozy vs Obsidian, Cozy vs Bear, Cozy vs Diarium, Cozy vs Apple Journal, or Cozy vs Journey.