Monitoring that goes deeper than up or down.

Export your monitors through UptimeRobot's API, reshape them into HostTracker's monitor JSON, and create them in one call with the bulk API - or one command with ht-cli: ht-cli monitors bulk-create --json @monitors.json. The 30-day trial fits 100 monitors, so most accounts can run both services in parallel for a month and compare the incident logs before deciding.

Beyond HTTP, ping, port and keyword checks, HostTracker monitors full browser transactions (log in, add to cart, pay), page speed, database queries, SNMP counters, server resources, DNS blacklists (DNSBL), Google Web Risk verdicts, domain expiration through registry RDAP data, and SSL certificate expiration and changes - 14 monitor types in total, plus 11 free instant-check tools.

Paid HostTracker plans include a free monthly SMS credit allowance that tops up automatically, and voice-call alerts ride the same credit balance - useful when a 3 a.m. outage needs to wake someone. On UptimeRobot, paid plans start with a one-time credit bundle that does not renew monthly - once it runs out, every additional SMS or call is a separate credit-pack purchase.

Email, SMS, voice calls, Slack, Microsoft Teams, PagerDuty with automatic incident resolve, Mattermost, Pushover, Pushbullet, Telegram, Discord, Viber, browser push, and signed webhooks with 15 typed events for anything custom.

300+ checkpoints across every continent. A failed check is re-verified from several other locations before an incident opens, so a single flaky vantage point does not page anyone - and the incident record shows exactly which locations confirmed the outage.

Yes, on every plan including the free one. Status pages carry components, incident history, subscriber notifications over email, Slack, Teams and webhooks, machine-readable JSON and RSS exports, and embeddable badges; Enterprise plans add white-label branding and custom domains.

The REST API v2 exposes 182 operations, documented with OpenAPI 3.1, with official SDKs for TypeScript, Python, Go and .NET, the ht-cli command-line client, a GitHub Action, an official Terraform provider (HostTracker/hosttracker on the Terraform Registry), and an MCP server that lets AI assistants like Claude or Cursor run checks and manage monitors; API access is included in Business, Enterprise and the 30-day trial. UptimeRobot has been building its developer surface too - an official CLI, a Terraform provider and a hosted MCP server on its API v3 - so the honest difference today is the four official SDKs, the GitHub Action and the published OpenAPI document.

Yes, unambiguously. UptimeRobot's terms of service, updated in May 2026, state that the service is available for any use, including commercial and business use, by individuals, teams and organizations of any size, and its Fair Use Policy confirms that applies to every plan including Free. If you read anywhere - including older versions of our own comparisons - that the free plan was restricted to personal, non-commercial use, that is no longer accurate. The real reasons to look at a paid plan or a different tool are the ones on this page: the fixed 5-minute interval, SMS and voice credits that arrive once and never renew, three months of history, and a check portfolio limited to uptime.

You may not need one - UptimeRobot's own free plan explicitly permits commercial use. If you still want options, the honest shortlist is technical rather than eligibility-based. HetrixTools adds free blacklist monitoring: 32 blacklist monitors checked against 94 blacklists, plus 15 uptime monitors at a 1-minute interval, a capability UptimeRobot does not offer at any tier. StatusCake is the closest like-for-like replacement, with 10 uptime monitors plus page-speed, SSL and domain tests at the same 5-minute interval. HostTracker's own free plan is deliberately small; the 30-day trial is our evaluation path, opening 1-minute checks, transactions, voice alerts and the full check catalog with no credit card.

It depends on what an outage costs you. A 5-minute interval means the monitor only looks every five minutes, so in the worst case your site can be down for nearly five minutes before the first failed check even happens. Add confirmation and dispatch time and practical time-to-notification approaches six or seven minutes - and any outage shorter than the interval can slip through entirely, unrecorded. For a personal blog that is usually fine. For a checkout flow, a booking page or an API other businesses depend on, six minutes of silent downtime at peak is real lost revenue. Match the interval to the stakes, not to the sticker price.

It depends on whether UptimeRobot's scope - uptime, ping, port and keyword checks, plus SSL and DNS on paid tiers - actually covers what you need to know about your site. If it does, and your priority is the lowest defensible price for reliable uptime alerting, its paid plans are a genuinely good deal and there is little reason to pay more. Where the extra cost starts paying for itself is in what UptimeRobot does not check at all: transaction monitoring of full user flows, DNS blacklist status, Google Web Risk malware and phishing flags, domain and certificate expiration, and database or SNMP checks. The honest framing is not "is UptimeRobot good enough" in the abstract, but "does my site have failure modes its check types cannot see".

Usually because of one specific limit rather than unreliable checks. The free plan is fixed at a five-minute interval with five integrations, one status page and three months of history; on paid plans the SMS and voice credits arrive as a one-time starter bundle that never renews; and the check catalog stays inside uptime, with no browser transactions, page speed, database, SNMP, DNS blacklist or Google Web Risk monitoring, and SSL coverage limited to expiry.

They differ on interval, locations and what is bundled. UptimeRobot gives more free monitors (50 at a fixed five minutes) and a cheaper entry plan (Solo at EUR 9/month billed annually, 10 monitors at 60 seconds); StatusCake gives fewer free monitors (10 at five minutes) but adds page-speed, SSL and domain tests, native phone calls, 43 test locations across 30 countries, and blacklist checks across 8 lists on paid plans, from EUR 19.99/month for Superior. Neither bundles status pages the way HostTracker does, and HostTracker checks from 300+ locations with 14 monitor types from $14/month.

For a single site, price should decide. For an agency running many client sites, the deciding features are the ones that generate client phone calls: certificate and domain expiry, DNS blacklist status and Google Web Risk malware verdicts, which UptimeRobot does not monitor at any tier, plus a status page per client and voice alerts that do not run on a metered credit balance. HostTracker covers all of those in one account from $14/month, with status pages on every plan and white-label branding on a custom domain on Enterprise plans.