Pingdom alternative: the checks, without the enterprise suite

What Pingdom does well

Pingdom is a mature enterprise product and it earns that description. It is not a small tool trying to look big.

• Real user monitoring is a first-class product. Instead of only asking "is the site up from our probe", it reports what actual visitors experienced, broken down by browser, device, and geography. Almost nothing at the small end of the market offers this, and Undownable does not.
• Transaction and advanced checks walk through multi-step user journeys rather than fetching a single URL.
• A large, long-established global probe network, so geographic breadth is a genuine strength.
• Page speed and performance reporting alongside availability, which is useful when the question is "slow or down" rather than just "up or down".
• It sits inside a wider vendor relationship, which for some organisations is the deciding factor: one procurement process, one support contract, one throat to choke.
• The reporting and dashboards are built for people who have to show numbers to management, and they look the part.

If you need to correlate synthetic checks against real visitor performance across regions, that is a real capability and it is worth what it costs.

Where it starts to hurt

The complaints are consistent and they are mostly commercial rather than technical.

• There is no free plan. Every account is a paid account after the trial ends.
• Synthetic monitoring and real user monitoring are separate products with separate prices, so the full picture costs more than either headline figure.
• Pricing is tiered by check volume across a long ladder, and moving up a rung to gain a handful of checks can be a meaningful jump.
• SMS arrives as a bundled credit allowance per tier rather than being unlimited, so heavy alerting can hit a wall.
• Advanced and transaction checks are counted separately from basic uptime checks, so the check number in the tier name is not the number you actually get to use.
• For a small team watching a dozen endpoints, you are buying a large amount of capability you will not touch.

To keep this page honest: Pingdom does not publish its pricing in a form we can quote reliably, so we will not invent numbers. The safe statement is that it is an enterprise-tier product costing several times what flat-rate small-team monitoring does, before you add real user monitoring on top.

Side by side

Where Undownable differs

Undownable is not trying to be Pingdom with a discount. It covers a narrower job and prices it flatly.

• A real free plan: ten monitors, a status page, thirty days of history, and every alert channel, with no card and no expiry.
• One flat price per team on Pro with no per-seat, per-monitor, or per-status-page charge, and no separate product to buy for the other half of the picture.
• Every alert channel on every plan, none of them metered, including first class ntfy support for your own self-hosted ntfy server.
• Exactly-once alert delivery, flap suppression, and confirmation thresholds so a single blip never pages anybody.
• A degraded state distinct from down, so an expiring certificate is alerted without being scored as an outage.
• SSL checks that verify the full chain and hostname with escalating warnings at 30, 14, 7, and 1 days out.
• JSON API checks with dot-notation assertions, so you can assert on a value in the response body rather than just a status code.
• Push heartbeats for cron jobs, backups, and self-hosted monitoring boxes, in the same account as your uptime checks.
• A first-party MCP server alongside the REST API, with least-privilege tokens you can pin to a single team.
• Unlimited status pages on Pro with custom domains, and a full year of history.

Who should stick with Pingdom

• You need real user monitoring. This is the clearest line on the page: if you want to know what actual visitors experienced, Undownable cannot tell you and Pingdom can.
• You need scripted transaction checks that walk a login, a search, and a checkout as one monitored journey.
• You need broad geographic probe coverage with results broken out by region.
• Your organisation buys through a vendor relationship and a single-founder SaaS will not clear procurement.
• You need performance and page speed reporting packaged for executive audiences.
• You need SMS or voice escalation, which Undownable does not offer at all.