Cydoc
Cydoc (cydoc.ai) was an AI-native electronic health record with automated patient intake and clinical note generation, built HIPAA-compliant across web, Android, and iOS by solo MD-PhD founder Rachel Draelos [FDR]. Work began April 2018; the shutdown was decided and announced to investors on 2025-08-22 — 88 months on the clock, the longest-lived death on our books. Cause on file: integration — nearly every prospective customer would have required its own $4,000–$6,000 EHR connection that a sub-$100/month price could never repay, and the founder had ruled out integrating for years because the mission was to replace incumbent EHRs, not plug into them [FDR].
Timeline
- 2018-04Founder begins work on the Cydoc concept during MD/PhD training at Duke. [FDR] source
- 2019-04Cydoc, LLC formally founded; a few undergraduate students hired as frontend interns. Three years of software development follow. [FDR] source
- 2023-01First customer-discovery conversation with a real potential customer — roughly 5 years after work began. [FDR] source
- 2023-12-22First revenue logged: $190.36 after payment-processing fees. [FDR] source
- 2024-01$265,000 raise from family, friends, and physicians closes across 2023 to early 2024. [FDR] source
- 2024-12NC IDEA SEED grant of $50,000 awarded. The essay dates the award 'late 2025' — an apparent typo, since the same essay says the grant funded work done in the first five months of 2025 and the company closed 2025-08. Filed as late 2024 [INF, from FDR source]. Full-year 2024 revenue: $27,900 ($4,200 subscriptions, $23,700 custom development). Peak paying customers: 4 [FDR]. [FDR] source
- 2025-05AI scribe feature ships during the first five months of 2025, funded by the grant. Hosting plus AI costs rise to roughly $70 per doctor against sub-$100/month willingness to pay. [FDR] source
- 2025-08-22Founder decides to shut the company down and sends the closure announcement to investors. Death logged on our roster as 2025-08. [FDR] source
- 2026-02-21Founder publishes the 7-year postmortem essay on glassboxmedicine.com — the primary source for this filing. [FDR] source
- 2026-06-27r010 filed to the graveyard section of our roster. No daily instrument rows exist; the site was dead before tracking began. [OBS]
- 2026-07-16Live check: cydoc.ai and www.cydoc.ai return no response (connection fails). Domain no longer serves a page. [OBS]
EVIDENCE GRADE: A — primary sources on file.
Cause of death — our read
Filed cause: integration — lost to the Epic interface monopoly (roster cause field, logged 2026-06-27). The founder's own accounting supports the filing. Peak paying customers: 4. Revenue in 2024: $27,900, of which only $4,200 was subscriptions [FDR]. Cost to connect one practice's EHR: $4,000–$6,000, and nearly every prospective customer sat on a different EHR, so each sale carried its own toll [FDR]. Target buyers would pay under $100/month; hosting plus AI costs ran about $70 per doctor once the scribe shipped [FDR]. The founder states the arithmetic plainly: "With revenue only $30 above hosting costs, and $4,000 to $6,000 per EHR integration, it would take 11 years per practice just to break even" — Rachel Draelos, MD, PhD. Integration was ruled out for years on principle — the mission was to become an EHR, so paying to connect with incumbents felt like waste; the essay logs this as the fatal mistake [FDR]. The founder ties two of the four customer losses directly to the no-integration decision: the endocrinology office manager blocked the check-in workflow change, and the family-medicine practice's new front-desk staff dropped the QR-code intake — that practice stayed subscribed but stopped using the product [FDR]. The other two losses ran on separate rails: the urgent-care client rebuilt the key features in its own app (filed by the founder under the no-moat mistake), and the psychology practice stalled on insurance cash flow, then declined to subscribe pending features beyond the original scope [FDR]. Our read: the product worked; the distribution physics did not. Where incumbents own the interface layer — Epic foremost among them — every seat sold carries a fixed toll that a sub-$100/month price cannot amortize [INF — the roster shorthand "lost to the Epic interface monopoly" extends the founder's broader fragmented-EHR framing; the essay names Epic as the integration target to prioritize, not as a named killer]. 88 months and $265k crowdfunding plus a $50k grant were spent building around the toll booth instead of pricing the toll on day one.
The lesson on file
Roster lesson, carried forward: before building on or into someone else's system, price a single integration first. The number was knowable in 2018 [INF] — $4,000–$6,000 per EHR connection against a sub-$100/month subscription never amortizes at 4 customers; the founder's own math put break-even at 11 years per practice [FDR]. The rule generalizes past healthcare: when an incumbent owns the interface layer (Epic in clinics, app stores on phones, marketplaces in commerce), the per-customer entry fee belongs in the unit economics on day one, not in a growth-stage budget line. Compute it before writing code. If one integration costs more than year-one revenue from the customers it unlocks, either many customers must share one connection, or the plan is dead on arrival — file it and move on.
The reopen clause — what would change this verdict
Was it the Epic interface wall — or was the demand never there?
NEXT SIGNAL: Another solo-built EHR clearing the integration wall Cydoc could not; anything further the founder files about the shutdown.
A READ WITHOUT A NEXT SIGNAL IS JUST AN OPINION — THIS ONE IS FILED IN ADVANCE, LIKE EVERYTHING ELSE ON THE DESK.
What to use instead
No live tool remains in the AI medical EHR track — r010 was its sole filing on our books. Nearest live tracked B2B workflow tools are Chatbase (r005, AI support bots, success tier) and Publora (r003, AI social publishing, radar tier); neither carries the regulated per-customer integration toll that killed Cydoc [INF].
Sources on this page
- [FDR] Founder postmortem essay: why the bootstrapped health AI startup shut down after 7 years (Rachel Draelos, glassboxmedicine.com) — https://glassboxmedicine.com/2026/02/21/why-i-shut-down-my-bootstrapped-health… · accessed 2026-07-16
- [OBS] Roster row r010, radar database CSV (cause and lesson fields) — our own instrument records · accessed 2026-07-16
- [OBS] Live domain check: cydoc.ai unreachable, no page served — https://cydoc.ai · accessed 2026-07-16
- [OBS] Daily instrument readings (homepage, pricing page, sitemap.xml, GitHub) — read at 02:00 UTC, on the books since 2026-06-27
Dispute a number? /corrections/ — handled in public within 48 hours.