Before you buy, check whether this fits you.

Erlen is a digital product with no refunds. So when it does not fit, we are the ones who say "please don’t buy this". Your answers are scored inside this browser and never transmitted.

0 / 7

Q1 Have you used Claude Code?

Q1 / 7 Have you used Claude Code? Both setting up and running Erlen assume you hand the commands to Claude Code.

I use it regularly I use it sometimes / I have tried it I haven't used it, but I intend to get it I don't plan to use it

Please answer this question.

Q2 Does a terminal full of scrolling commands bother you?

Q2 / 7 Does a terminal full of scrolling commands bother you? The AI does the typing. You will, however, be watching that screen.

Not at all — I type in one myself I'd rather not type, but I can watch while the AI does it I never want to look at a black screen

Please answer this question.

Q3 Can you create a (free) Cloudflare account?

Q3 / 7 Can you create a (free) Cloudflare account? Erlen runs on your own Cloudflare account. Signing up needs no credit card.

I already have one, or can create one right away I think I could, once someone shows me how My institution’s rules prevent me from using outside cloud services

Please answer this question.

Q4 Is yours a regulated environment (GxP, CSV and the like)?

Q4 / 7 Is yours a regulated environment (GxP, CSV and the like)? Erlen keeps a revision history (audit trail), but it is not a product that guarantees regulatory conformity.

Not required (academia, basic research, exploratory work) Not now, but we may consider it in future Required — we are subject to inspection and audit

Please answer this question.

Q5 Can you live with there being no support desk?

Q5 / 7 Can you live with there being no support desk? The one-time price is priced on the assumption that no support is attached. You and the AI investigate problems.

Yes — the AI and I will manage I'm uneasy, but I'll try if the documentation is thorough A product without support is unusable at work

Please answer this question.

Q6 Do you want to hold your research data yourself (or in your own lab)?

Q6 / 7 Do you want to hold your research data yourself (or in your own lab)?

Strongly — I don't want to leave it to a vendor Neither way, really I would rather my organisation or a vendor managed it

Please answer this question.

Q7 Does ¥49,800 feel like a reasonable investment in a tool?

Q7 / 7 Does ¥49,800 feel like a reasonable investment in a tool? It is a one-time purchase. No monthly fee, no per-seat pricing.

Yes, that seems fair Hard to say — it depends what is inside Too expensive. I can't spend that

Please answer this question.

Nothing is transmitted. The verdict is computed inside this page.

Erlen

A one-time-purchase electronic lab notebook. It runs on your own Cloudflare account, and your records stay with you.

Product Features What's inside Requirements Price FAQ

Decide 30-second fit check First-time setup guide Apply for the early release

Terms Legal notice (Japanese Act on Specified Commercial Transactions) Privacy policy