Free Uptime Monitoring Services in 2026: What You Actually Get
Not all free uptime monitoring plans are the same. Here's what different providers offer, where they cut corners, and how to pick the right one.
Uptime monitoring should be free for small teams. The economics work out: low-tier customers create word-of-mouth, and the infrastructure cost per monitor is tiny. Every monitoring service offers a free plan — but they vary wildly in what you actually get.
Here's what to expect from the major free tiers in 2026.
What Makes a Good Free Plan?
A free monitoring plan should let you:
- Monitor your most critical endpoints
- Receive alerts when something breaks
- Check frequently enough to catch issues fast
- Monitor from more than one location
Any plan that fails on these points is a trial, not a free plan.
The Free Plan Breakdown
isthisthing.online
isthisthing.online's free plan is designed for small teams running live production services.
Free plan specs:
- 5 monitors — covers your main site, API, and a few internal services
- Check interval: 1 to 5 minutes (configurable per monitor)
- 3 check locations: US, EU, Asia
- Alert channels: Email, Slack, Discord, webhooks
- Status page included — fully customizable
- Incident history — 30-day retention
- 1 team member
- No credit card required
The catch: 5 monitors is the hard limit. If you need more, you'll need the Pro plan at $12/month. But for a typical early-stage startup with a web app and an API, 5 is enough to cover what matters.
UptimeRobot
UptimeRobot has one of the most generous free plans in terms of monitor count.
Free plan specs:
- 50 monitors — far more than most competitors
- Check interval: 5 minutes (fixed, not configurable)
- Locations: Multiple (unspecified count)
- Alert channels: Email only
- Status page: Basic, no custom domain on free plan
- Incident history: Limited
The catch: The 5-minute check interval is slow. You won't know about an outage for up to 5 minutes, and by the time you get the email alert (if you're checking email), more time has passed. For critical production services, that's a long time.
Better Uptime
Better Uptime offers a competitive free plan focused on modern teams.
Free plan specs:
- 10 monitors
- Check interval: 1 minute (impressive for free)
- Locations: 3 regions
- Alert channels: Email, Slack
- Status page included
- Incident management: Basic timeline
The catch: 10 monitors at 1-minute intervals is genuinely good. The main limitation is that phone call alerts and advanced reporting require a paid plan.
Checkly
Checkly focuses on monitoring modern stacks — APIs, browser checks, and deployments.
Free plan specs:
- 5 monitors (API checks)
- Check interval: 10 minutes (by default)
- Locations: Multiple
- Alert channels: Email, Slack
- Playwright-based browser checks: Limited in free plan
The catch: Checkly's strength is browser monitoring with Playwright, but the free plan limits you heavily on browser check minutes. It's ideal for API monitoring but less suited for traditional website uptime checks.
Pulsetic
Pulsetic offers a straightforward free plan.
Free plan specs:
- 3 monitors
- Check interval: 3 minutes
- Locations: 3 regions
- Alert channels: Email, Slack
- Status page: Included
The catch: 3 monitors is tight. You can cover your homepage and API, but there's no room for internal services or staging environments.
Free Plan Comparison Table
| Feature | isthisthing.online | UptimeRobot | Better Uptime | Checkly | Pulsetic |
|---------|-------------------|-------------|---------------|---------|----------|
| Free monitors | 5 | 50 | 10 | 5 | 3 |
| Min check interval | 1 min | 5 min | 1 min | 10 min | 3 min |
| Alert channels | Email, Slack, Discord, Webhooks | Email | Email, Slack | Email, Slack | Email, Slack |
| Status page | Yes (customizable) | Basic | Yes | No | Yes |
| Locations | 3 | Multiple | 3 | Multiple | 3 |
Which Free Plan Should You Choose?
Pick isthisthing.online if: You want monitoring + a professional status page, and 5 monitors covers your needs. The alert channel variety and sub-1-minute check intervals are hard to beat for free.
Pick UptimeRobot if: You need to monitor many endpoints and can tolerate 5-minute check intervals and basic alerting.
Pick Better Uptime if: 10 monitors at 1-minute intervals sounds perfect, and you don't need phone alerts or advanced analytics.
Pick Checkly if: You need API monitoring with Playwright browser checks and are willing to accept longer intervals on free tier.
The Hidden Cost of "Free"
Free monitoring plans have costs that aren't obvious:
- Delayed detection — Longer check intervals mean more downtime before you know
- Limited alerting — Email-only alerts mean you won't get woken up at 3 AM
- No redundancy — One check location can miss region-specific outages
- Data retention limits — Historical data disappears after 30 days
When evaluating a free plan, ask yourself: if this service goes down at 2 AM on a Saturday, how fast will I know?
Start Free, Upgrade When You Grow
Free monitoring plans exist so you can start protecting your services immediately and upgrade when your needs grow. The best approach is to start with a free plan that covers your critical endpoints, then upgrade when you need more monitors, faster intervals, or better alerting.
Start monitoring free. Create your account at isthisthing.online — 5 monitors, status page, and Slack alerts included, no credit card needed.