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Both work. The real difference is what each one gives you back six months later.

Paper has a real advantage: nothing more honest than a flour-dusted page that's been near the dough. It also has a real disadvantage: you can't search it, you can't sort it, you can't filter feeds vs bakes, and the photos live in a separate device. Sourdough Tracker is the digital equivalent that respects what paper does well - one-tap entries, no nag, your data stays yours - while adding what paper can't: search, filtering, photos in line with the entry they belong to, and per-starter sharing. Many bakers happily run both.
Many of the bakers I admire run both: a digital journal as the system of record (search, photos, sharing) and a paper one for the feel of writing at the counter. Pick whichever feels alive and right; you can always export the digital one to a CSV later if you want to migrate.
Free plan, no credit card. We host in Germany. You can export and delete everything self-serve.
Read next
Why journaling sourdough beats memory + intuition
Why a journal is the single highest-leverage upgrade to your sourdough practice.
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Sourdough Tracker vs Notes / Notion / Obsidian
Generic notes apps vs a journal that knows what a feed entry is.
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Sourdough Tracker vs your phone's camera roll
Why photos in line with their entries beat a chronological camera roll.
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| Ours Sourdough Tracker | Theirs A paper notebook | |
|---|---|---|
Tactile + flour-friendly | ||
Searchable across entries | ||
Photos inline with entries | ||
Sortable feed vs bake feed | ||
Survives a coffee spill | Maybe | |
Share one starter w/ a friend | ||
Battery / wifi required | Yes |