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Healthchecks.io
Founded 2015 · Valmiera, Latvia · one-man co. (SIA Monkey See Monkey Do) · open-source, self-hostable
👤 Peteris Caune (Veteran Python dev from Latvia who ran it transparently and fairly for 9 years — patience and trust, not funding, is his edge.)🌐 sitemonkeyseemonkeydo.lvLinkedIn

He found the incumbents overpriced, so he open-sourced a cheaper cron monitor. 9 years on, it's his full-time salary.

Will it work? · our read
Fairness compounds. A solo, open-source cron monitor paying a full-time salary. Radical fairness and 9 years of trust beat a fancier feature set. Small by design, and hard to dislodge.
01How the money moves
A team's nightly backup cron dies silently — nobody notices for days
They wire a 2-line HTTP ping into the job; Healthchecks learns its schedule
Ping goes missing -> instant alert. Teams pay $20-80/mo for that safety net
02The numbers
$14,043
MRR (Jul 2024)
founder
652
paying customers
founder
9 yrs
solo & profitable
founder
All three are first-party, from Caune's own July 2024 blog post — not estimates. Founder blog, Jul 2024
About $168K ARR from 652 payers — a full-time salary for one, disclosed on his own blog.
03Weight class — CENTStap an axis
ControlEntryNeedTimeScale
Control Mid
Owns the Healthchecks.io brand and OSS community, but no real lock-in — switching is a one-line URL change.
04The key move
Open-source everything
Caune open-sourced the whole app (BSD) — anyone can self-host free. It should kill the paid plan. Instead the open code earns developer trust; hosted convenience plus a fair $20 price converts 652 payers.
fact
The counter-intuitive move
Open-source didn't build the moat — his 9-year reputation and radical fairness did. The code is copyable; the trust and track record are not.
our read
05Where the moat is
Why a copyable cron pinger keeps 652 people paying:
Open-source = instant developer trust9 years of public, transparent track recordPublic pledge to never raise pricesSolo + low costs = profitable at any size
06How it diesmedium confidence
A cloud platform (AWS, Vercel, GitHub) bundles free cron monitoring and the standalone need evaporates. Or the solo founder burns out and stops — no team carries it. Thin ARPU leaves no margin for a price war. our read
Show evidence · counter
Evidence: It is $14K MRR from 652 payers — real but small; by his own words the ops team is one person, and about $22 ARPU leaves no funded-rival defense budget.
Counter: Nine profitable years, low churn, and a loyal OSS following show real staying power; bundled platform monitors are usually shallow and noisy, and self-hosters often convert back to hosted for convenience.
07Against rivals
Healthchecks.io$20/mo
Better Stack$29/mo
Cronitor$49/mo
Dead Man's Snitch$19/mo
Bar = value-for-money (higher is better). Ours wins on a free open-source core and a fair, fixed price. our read
08Who uses it
DevOps & SRE teamsSysadminsBackend developersData engineers (ETL)Solo founders w/ cron jobs
Would it work for you?
Would you open-source your core product and trust convenience + fairness to still get paid?
Open code scares control-seekers, but it builds trust and reach. We don't score you — you answer.
🚀Use it as a launchpada prompt for your own AI
Copy → paste into your AI → then develop it freely in the conversation.
You are a sharp, honest startup strategist. Use the proven case below as a launchpad for MY idea — help me find my own angle, not copy it. <my_profile> Domain I know: [your domain] My unfair advantage (access/audience): [your edge] Interests: [your interests] Resources & goal: [your resources] · [your goal] </my_profile> <case name="Healthchecks.io" model="devtool"> What it does: Cron-job and uptime monitoring for developers — it pings you when a scheduled job silently fails; open-source with a paid hosted version (652 teams). Why it won (moat): Radical fairness — open-sourcing everything, a public no-price-hike pledge, and 9 years of transparent track record earned developer trust rivals can't fake. Weakest axis (CENTS): Entry — the tech is trivial to clone; only trust and track record keep buyers for 9 years. How it could die: A cloud platform (AWS, Vercel, GitHub) bundles free cron monitoring and the standalone need evaporates — or the solo founder burns out with no team to carry it. </case> <task> Be a skeptical operator, not a cheerleader. No generic startup platitudes. If my angle is weak, say so plainly. First, a reality check: markets like this mostly fail. State the honest base rate (how crowded/hard is this?) and the ONE specific thing that would have to be true for ME to be the exception — grounded in my profile above. Then a compact table: - Fit — does this pattern suit my edge, or fight my gap? - Angle — my sharpest differentiation vs Healthchecks.io (concrete, not "better UX") - Distribution — exactly where my first 100 users come from (this is the hardest part — be specific, not "content marketing") - Risk — its "how it dies" (above) in MY situation Finish with one line: "The single thing to do next." Use only the facts above; if data is thin, say so — never invent numbers. Then stay with me and go deeper on whatever I ask — tech stack, rough cost & time, the smallest MVP to test, pricing, or timing. </task>
✓ Copied — paste into your AI
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Sourcesupdated · daily
Revenue is first-party: $14,043 MRR and 652 payers come from Caune's own July 2024 blog post (verified, STATED). Latka estimates a lower about $111.5K ARR; we trust his disclosed figure. Origin ('the existing services were overpriced') is his documented quote. Drama is mild — this won on patience, trust, and fair pricing, not a single dramatic move; the open-source bet is real and documented. We never score you.