Free plans only

7 Best Free Uptime Monitoring Tools of 2026

By the Rankozo research desk · Updated November 4, 2026

7 of the 9 tools in our best uptime monitoring tools ranking offer a permanent free plan. HetrixTools scores highest among them at 8.7 out of 10.

1. 01

   HetrixTools

   Small businesses and hosting resellers who want many monitors and server stats for little or no money.

   Free plan with 15 uptime monitors; Professional $9.95 per month or $99.95 per year

   Full entry, No. 1 overall

   Paid from

   $9.95

   Score 8.7

2. 02

   UptimeRobot

   Individuals and small sites that want a large free monitor allowance and a simple dashboard.

   See vendor pricing (USD check pending)

   Full entry, No. 2 overall

   Paid from

   Free plan

   Score 8.6

3. 03

   Better Stack

   Engineering teams that need phone and SMS escalation and on-call rotations, not just email alerts.

   Free plan with 10 monitors; Responder license $29 per month billed annually ($34 monthly)

   Full entry, No. 3 overall

   Paid from

   $29

   Score 8.5

4. 04

   Site24x7

   Small companies that want 25 websites watched for a flat low fee, with room to add infrastructure monitoring later.

   Free plan for up to 50 resources with email alerts; Web Uptime $9 per month paid annually ($10 monthly), 25 websites

   Full entry, No. 4 overall

   Paid from

   $9

   Score 8.4

5. 05

   StatusCake

   Teams that want 100 monitors plus page speed, SSL and domain checks on a mid-priced plan.

   Free plan; Superior $20.41 per month billed annually ($24.49 monthly)

   Full entry, No. 5 overall

   Paid from

   $20.41

   Score 8.2

6. 06

   Checkly

   Dev teams that want to monitor login flows and checkouts with code-based browser tests.

   Free Hobby plan; Starter $24 per month billed annually

   Full entry, No. 7 overall

   Paid from

   $24

   Score 8.0

7. 07

   Cronitor

   Developers who mostly need to watch scheduled jobs and a handful of endpoints, and want to pay only for what they use.

   Free Hacker plan with 5 monitors; Business $2 per monitor per month plus $5 per user

   Full entry, No. 8 overall

   Paid from

   $2

   Score 8.0

Scores and prices come from our Best Uptime Monitoring Tools ranking, which uses one method for every tool. Questions or corrections: editorial@rankozo.com