Compare · RealUptime Monitor

RealUptime Monitor vs HetrixTools

HetrixTools is priced like a hosting-industry tool: a generous free tier of uptime monitors, plus blacklist (RBL) monitoring that mail and hosting providers genuinely need. RealUptime Monitor is built for the on-call side of the same job: server agents, check ladders, rotations, escalation policies, and a public status page that updates from the same probes.

The short version

HetrixTools gives hosting providers a big free tier and blacklist monitoring; RealUptime Monitor gives operations teams on-call, escalation, and a status page in the same account.

If you run mail servers or sell hosting, HetrixTools has features we simply do not: blacklist monitoring matters in that world, and its free tier is genuinely large. The teams that outgrow it are the ones carrying a pager. RealUptime Monitor treats an alert as the start of a workflow, not the end: rotations decide who gets woken, escalation policies decide what happens when they do not answer, acknowledgement stops the repage, and the public status page updates from the same probes so customers hear it from you first. One honest caveat, stated plainly: we page by email, Slack, webhook, or your existing PagerDuty; we have no phone-call or SMS paging of our own.

Start free: 5 servers

Verified August 24, 2026. Sources: HetrixTools pricing, HetrixTools uptime monitor features.

Free uptime monitors

Have

10 monitors free, plus 5 server-agent slots

Have

a notably large free monitor allowance, per its pricing page

Server agent (CPU, memory, disk, services)

Have

open agent for Linux, macOS, and Windows; 5 servers free, 10 on Growth, 40 on Scale

Have

server monitoring agent with resource usage tracking

Blacklist (RBL) monitoring

Don’t have

not offered; SSL-certificate and domain-expiry alerts ship, but RBL checking is out of scope

Have

IP and domain blacklist monitoring is a headline feature

On-call rotations and escalation policies

Have

rotations, escalation policies, and acknowledgement on paid rungs; pages by email, Slack, webhook, or your PagerDuty, with no phone or SMS paging of its own

Partial

rich alert contacts and integrations, but no rotation scheduling advertised on its pricing or feature pages

Public status page from the same checks

Have

RealUptime Status shares the account and the 10-region probe fleet

Partial

public report pages for monitors; not a standalone status-page product

HetrixTools pricing in 2026

HetrixTools prices by quantity, not features: every uptime plan checks as often as once a minute, and the tiers differ in how many monitors they carry. As published on its uptime monitor pricing page (verified September 2, 2026): Free is $0 for 15 uptime monitors, Professional is $9.95/mo for 30, Business is $19.95/mo for 60, and Enterprise is $49.95/mo for 200. The free tier also includes 32 blacklist monitors, and blacklist (RBL) monitoring is priced as its own product ladder alongside uptime.

RealUptime Monitor is $0 for 10 monitors, $18.99/mo on Growth, and $48.99/mo on Scale, with annual billing at 12 months for the price of 10. The honest comparison: per monitor, HetrixTools is cheaper, and if blacklist monitoring is on your list at all, it is the right choice, because we do not offer RBL monitoring and do not plan to pretend otherwise. What the RealUptime price buys instead is the on-call layer: rotations, escalation policies, acknowledgement, and a public status page fed by the same probes, in the same account.

Looking for a HetrixTools alternative?

For the reasoning behind checking from more than one region at all, see why a status page can show all green during a real outage. Comparing more than just this one alternative? The status page tool checklist covers what to test before committing to any of them.

Start free: 5 servers