“Free” is a five-minute blind spot.
Free monitoring plans check every 5 minutes, from one place, and have a documented habit of being retired without asking you first. up4 sells the boring alternative: 10-second checks from the first euro, a €3 monthly minimum, and €3 of starting credit so the first month is, in practice, free anyway.
15-day trial · no card · every feature unlocked
Press the button. Watch three plans notice.
One simulated outage, three check cadences. The clocks start when the site goes down and stop when each plan first sees it. Nothing real breaks.
The free plan is not lying to you — it is just asleep between checks. Every re-run rolls a new outage. The 5-minute row never wins.
What a free plan actually charges you.
The blind spot
Five-minute checks mean an outage can live 4 minutes 59 seconds unobserved. Short incidents — deploys gone wrong, crash loops, TLS renewals — happen precisely at that scale. Many never appear in a free plan’s history at all.
The lifespan
Free tiers are funding problems with a UI. Freshping was retired in March 2026 and took tens of thousands of monitor setups with it — the migration page exists because of it. A paid meter with public arithmetic does not get sunset.
The ceiling
The moment you need what monitoring is for — faster checks, a status page on your domain, teammates — the free plan hands you the price list it was always holding. Here the feature set is identical on every plan; only volume is priced.
The honest price of “free” is €3.
€9 per million checks, €3 monthly minimum. Three small fleets, worked out — the calculator takes any other shape.
Sixty-second checks — already six times a free plan’s cadence.
The €3 starting credit covers most of the first month.
The cadence others gate behind sales calls, on three monitors that matter.
Fair questions about paying at all
Why is there no free plan?
What do I get for €0, then?
What does a small fleet actually cost?
What happens when my balance hits zero?
Are there hidden costs?
I am leaving a specific free plan. Where do I start?
Free was never free. €3 is €3.
€3 starting credit · no card · nothing deleted at zero