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Sourdough Tracker: the GDPR-friendly alternative to Notion / Obsidian / Apple Notes

Plain-language privacy notice, standard German GDPR DPA available on request, self-serve export + delete.

GDPR alternative
Comparison
Notes
Finn Glas
Finn GlasCo-Founder + Engineering
·February 9, 2026·
1 min read

GDPR isn't a checkbox - it's a posture. If you're moving off Notion / Obsidian / Apple Notes because their AVV / DPA is opaque, Sourdough Tracker is what a clean alternative looks like: subprocessor list of two (Stripe + mail relay), self-serve export + delete from account settings, and a standard German GDPR DPA on request when your procurement team needs one.

At a glance

A free-form notes app can absolutely hold sourdough notes - I used Notion for two years before building this. The trade-off is the friction of structure: every entry needs to be hand-formatted, you can't filter feeds vs bakes without templating discipline, and 'show me every bake at 75% hydration' is a manual exercise. Sourdough Tracker trades the flexibility of free text for purpose-built fields - rise %, hydration, outcome rating, ambient temp - so the analysis happens by itself. If your bakes are weekly and you care about patterns, the structured version pays back fast.

GDPR posture

GDPR is a posture, not a checkbox

Three things matter under GDPR for a tool like this: (1) lawful basis for processing, (2) data subject rights (export, delete, port), and (3) the auftragsverarbeitungs­vertrag / DPA chain. Sourdough Tracker treats them as engineering invariants, not legal optics. Lawful basis is the contract you sign with us. Subject rights are self-serve from your account settings - no support ticket required. The subprocessor list has two entries (Stripe + mail relay). A standard German GDPR DPA is available on request from /sales whenever your procurement team needs one - we don't charge for it and don't gate it behind a plan tier. Where Notion / Obsidian / Apple Notes sits on each of these is the rest of this page.

Sourdough Tracker vs Notion / Obsidian / Apple Notes: GDPR comparison

When to pick which

Pick Sourdough Tracker when

You want patterns over time without manual templating.
Sharing one starter (not the whole notebook) matters.
EU-hosted + no third-party AI ingest is a requirement.

Pick Notion / Obsidian / Apple Notes when

You already live in Notion / Obsidian and one more page is the path of least resistance.
You want maximum flexibility, even at the cost of structure.

GDPR questions

What customer data-protection teams typically ask before signing a DPA.

Start with Sourdough Tracker

Free plan, no credit card. We host in Germany. Export + delete are self-serve.

Finn Glas

Written by

Finn Glas

Co-Founder + Engineering

Finn is one of the Co-Founders. He owns the engineering side, the infrastructure, and most of the late-night fixes that ship before anyone notices.

finn.glas at aicuflow dot comLinkedInWebsite