Plans & pricing.
Everything you need to journal, document and archive your research data — all free while we're in beta.
Free
All you need to keep a complete, archive-ready data journal.
€0 / forever
- Daily logging — write a note on what you changed
- Built-in version history — automatic snapshots, no git or setup; reopen your data exactly as it was
- Visual timeline & clickable dataset map
- Guided metadata & one-click Data Management Plan (Word, PDF & maDMP)
- Codebook / data-dictionary generator
- Data Quality Guardian — row loss, duplicate IDs, impossible values vs. your last version
- Sensitive-data / GDPR scan — CSV, Excel, Numbers, Word & Pages
- Archive-ready export — checksums, README, citation file
- 100% local & private — your data never leaves your computer
- English · Deutsch · 简体中文
Pro
Power tools that speed up heavier and team workflows.
Free during beta
then €15 + VAT / year
Cancel anytime · 14-day money-back
- Everything in Free, plus
- Quick Log pop-up — capture a change from any app without switching windows
- Voice notes — dictate, transcribed locally
- Local AI assistant — “Ask my dataset”, draft README / methods / data-availability, supervisor updates & journaling coach
- Smart metadata autocomplete
- FAIR readiness score
- Repository export profiles (Zenodo & more)
- Publication mode & reproducibility map
- Photo & video attachments
- Mobile capture app (iPhone & Android) — log notes on the go
Free for everyone during the beta.
Institution
For universities, institutes and research groups.
Free during beta
then €10 / researcher / year
+ one-time base fee for custom setup
- Everything in Pro, plus
- Custom DMP templates matching your institution's RDM policy
- Private institution access codes for your researchers
- Shared metadata standards & controlled vocabularies
- Onboarding, training & priority support
- Volume licensing & site deployment
- A say in the roadmap
Download SepiaLog
Free and open during the beta — available in English, Deutsch and 简体中文.
Opening it the first time
Click Get it on Microsoft Store and install from the Store — SepiaLog installs and updates automatically, with no security warnings.
Drag SepiaLog into Applications, then double‑click it. The first time, macOS shows a standard confirmation for any downloaded app — just click Open. SepiaLog is signed and notarized by Apple, so there’s nothing to run in Terminal.
Make the AppImage executable, then run it:
SepiaLog on your phone
Catch an idea or a to-do the moment it strikes — quick capture, even offline. Each note links to the right project in SepiaLog by #hashtag, so nothing gets lost between the lab and your desk.
Get the mobile app Scan the code, or open it on your phone and tap “Add to Home Screen” — iPhone & Android.How SepiaLog Pro works
No account and no tracking. Everything is free during the beta — here's how activation will work once Pro launches.
Subscribe
Check out securely (€15/year + VAT). Our payment partner Polar is the seller of record (Merchant of Record), so VAT and your invoice are handled for you.
Get your key
You instantly receive a personal license key by email. No account to create, no password to remember.
Activate in the app
Open SepiaLog → Settings → SepiaLog Pro, paste your key, and Pro unlocks. It keeps working offline, and you can cancel any time.
Cancel anytime. Changed your mind? Get a full refund within the first 14 days. Cancel after that and you simply won't be charged again next year — you keep Pro for the rest of the year you've already paid for.
Your key activates SepiaLog on your computer — only the key is ever sent for verification, never your research data.