Choose UptimeRobot if…
- You're monitoring personal, non-commercial projects and its free 50-monitor plan covers you
- You specifically need SMS or voice-call alerts
- You only need plain up/down checks and want a long-established, set-and-forget tool
Comparison
Uptimewolf vs UptimeRobot
UptimeRobot is a great up/down checker with the most generous free tier around. But if you also need server metrics, DNS, domain & SSL expiry or game-server monitoring, you end up bolting on extra tools. Here's an honest look at where each one wins — and which UptimeRobot alternative actually fits your stack.
Comparison reviewed May 2026 · no credit card required
Which one should you pick?
Both are solid. The right choice comes down to what you need to watch — and whether you're a hobbyist or running something commercial.
Choose Uptimewolf if…
- You need server CPU/RAM/disk metrics or game-server monitoring — UptimeRobot does neither
- You want DNS, domain & SSL expiry, status pages and a full API without tier-gating
- You run something commercial and want the lowest paid entry point — from $2.99/mo
Uptimewolf vs UptimeRobot, side by side
Capabilities first — these are the differences that actually change how you work. Pricing is summarised at the bottom of the table.
| Capability | Uptimewolf | UptimeRobot |
|---|---|---|
| Website, endpoint & port monitoring | ||
| Cron job & heartbeat monitoring | ||
| DNS record change monitoring | All plans | Paid plans only |
| Domain & SSL certificate expiry | Domain + SSL | SSL expiry only |
| Server CPU / RAM / disk monitoring | Linux · Windows · macOS | Not offered |
| Game server monitoring | 20 titles | Not offered |
| Branded status pages | Included | Free tier basic |
| Notification channels | 7 channels | 15+ incl. SMS & voice |
| SMS & voice-call alerts | Not offered | Paid credits |
| Full REST API | Every plan | Available |
| Free plan | Free forever: 2 monitors, 2 status pages | 50 monitors, personal use |
| Commercial use without paying | Allowed, including on Free | Not permitted on free plan |
| Data retention | 6 months – 2 years | 3 months on free |
| Starting paid price | $2.99 / mo | ~$7–10 / mo |
Competitor details last checked May 2026 against public sources. Cells marked for review are flagged in the page source — re-verify at uptimerobot.com/pricing before publishing.
Where UptimeRobot is the better choice
No tool wins on everything. There are real reasons UptimeRobot is the right call for a lot of people.
A genuinely free tier
50 monitors at 5-minute intervals for $0 is the most generous free plan in the category. For personal, non-commercial projects, that's hard to beat — and Uptimewolf doesn't try to.
SMS & voice alerts
UptimeRobot can call or text you, and integrates with PagerDuty, Zapier and a longer list of channels. Uptimewolf sticks to chat and webhooks. If a phone call at 3am is non-negotiable, that matters.
A long track record
Running since 2010 and monitoring millions of sites, UptimeRobot is a known, stable quantity. If "boring and proven" is your priority, that history counts for something.
Where Uptimewolf pulls ahead
UptimeRobot is deliberately a focused up/down checker. Uptimewolf covers the parts of your stack that a pure uptime tool leaves you to monitor somewhere else.
Server metrics
A lightweight agent streams CPU, RAM and disk from Linux, Windows and macOS, with custom thresholds. UptimeRobot has no equivalent.
Game servers
Uptime, latency, player counts and slots across 20 titles. If you host game servers, this alone is the deciding factor.
DNS & domain safety
DNS-record change alerts plus domain and SSL expiry — all in the base plan, not gated behind a higher tier.
No add-on creep
Status pages and the full REST API are on every plan. One flat price — no per-seat fees, no SMS credits to top up.
Running a business? Compare paid-to-paid.
Since October 2024, UptimeRobot's free plan is restricted to personal, non-commercial use. If you monitor a company website, store or client project, the free 50 monitors aren't actually an option for you — you're a paying customer on either side.
That reframes the whole comparison. Against UptimeRobot's paid tiers, Uptimewolf starts lower (from $2.99/mo), bundles more monitor types, and won't surprise you with seat fees or SMS top-ups. Start a free 5-day trial
Moving from UptimeRobot takes minutes
There's no contract to escape and no lock-in on either side. Most people are fully migrated before lunch.
-
1
List your current monitors
Export or simply note the URLs, ports and cron checks you watch in UptimeRobot today. Most accounts have fewer than they think.
-
2
Re-create them in Uptimewolf
Add them by hand in a few clicks — or, for a large fleet, script the whole thing through the REST API in one pass.
-
3
Point alerts & run in parallel
Wire up your channels, keep both tools running for a day to compare, then switch UptimeRobot off when you're confident.
Try Uptimewolf free — see the difference yourself.
5-day free trial · no credit card · cancel anytime.
Three plans. Each with a 5-day free trial.
Pay monthly, or save by paying annually. Every plan includes status pages and the full REST API — nothing important is locked to the top tier.
Starter
For side projects and personal sites.
$2.99/ month
Start free trial
- 5 monitors
- 3 heartbeats
- 2 domain & 2 DNS monitors
- 1 server monitor
- 1 status page
- 6 months data retention
Advanced
For growing teams running real workloads.
$4.99/ month
Start free trial
- 20 monitors
- 15 heartbeats
- 10 domain & 8 DNS monitors
- 3 server monitors
- 5 status pages · 2 team members
- 1 year data retention
Unlimited
For agencies and production fleets.
$29.99/ month
Start free trial
- Unlimited monitors
- Unlimited heartbeats
- Unlimited domain & DNS monitors
- Unlimited server monitors
- Unlimited status pages & team
- 2 years data retention
Uptimewolf vs UptimeRobot — common questions
Is Uptimewolf a good UptimeRobot alternative?
It depends on what you monitor. UptimeRobot is excellent for plain up/down checks and has the most generous free tier in the category. Uptimewolf is the stronger choice when you also need server resource monitoring, DNS change alerts, domain and SSL expiry, game-server monitoring, and status pages with a full REST API on every plan.
Can UptimeRobot monitor server CPU, RAM and disk?
No. UptimeRobot focuses on external up/down monitoring of websites, ports, keywords, SSL, DNS and cron jobs. It does not run an agent for server CPU, RAM or disk metrics. Uptimewolf includes a lightweight agent for Linux, Windows and macOS.
Does Uptimewolf have a free plan like UptimeRobot?
No — and this is an honest point in UptimeRobot's favour. UptimeRobot offers a genuinely free plan with 50 monitors for personal, non-commercial use. Uptimewolf instead gives every plan a 5-day free trial with no credit card, keeps all 16 network tools free forever, and starts paid plans at $2.99/month.
Can I use UptimeRobot's free plan for a business website?
Since October 2024, UptimeRobot's free plan is restricted to personal, non-commercial use. Monitoring a commercial website on the free plan falls outside its terms, so business users should compare the paid plans on both sides rather than counting the free tier.
How do I migrate from UptimeRobot to Uptimewolf?
Re-create your monitors in Uptimewolf — most setups take just a few minutes. For a large number of monitors, the Uptimewolf REST API lets you script the whole migration in one pass. There's no contract or lock-in on either side, so you can run both in parallel for a day before switching over.
Does Uptimewolf send SMS alerts?
No. Uptimewolf alerts over email, webhook, Slack, Discord, Telegram, Microsoft Teams and Google Chat. If SMS or voice-call alerts are essential for your on-call setup, UptimeRobot offers them as paid, credit-based add-ons.
Other Uptimewolf comparisons
The honest test: monitor your own stack for 5 days.
No credit card. No lock-in. If UptimeRobot still fits you better, you'll know fast.
UptimeRobot is a trademark of its respective owner. This page is an independent comparison and is not affiliated with or endorsed by them.