Both tools monitor websites. The differences are in pricing, free tier policies, and what you get for your money.
| Feature | OpenPing | UptimeRobot |
|---|---|---|
| Free monitors | 25 | 50 (non-commercial only) |
| Free check interval | 3 minutes | 5 minutes |
| Commercial use (free) | Yes | No (banned since Nov 2024) |
| Status pages (free) | 1 | 1 (basic) |
| SSL monitoring (free) | Yes | Yes |
| Cheapest paid plan | $5/mo — 50 monitors | $7/mo — 10 monitors |
| Monitors on cheapest paid | 50 | 10 |
| Check interval (paid) | 1 minute | 1 minute |
| Slack/Discord alerts | Pro ($5/mo) | Solo ($7/mo) |
| Webhook alerts | Pro ($5/mo) | Solo ($7/mo) |
| Custom status page domain | Pro ($5/mo) | Not on Solo |
| Auto-incident management | Yes (all plans) | No |
| Status page subscribers | Yes (all plans) | No |
| Bulk URL import | Yes | No |
| Uptime badge SVG | Yes | Yes |
| CSV export | Yes | No |
| Maintenance windows | Yes | Yes (paid only) |
| Response time alerts | Yes | No |
| Weekly email reports | Yes | No |
| API access | Pro ($5/mo) | Pro ($13/mo) |
UptimeRobot is the market leader with 3+ million users. If you need 50 free monitors for personal projects, it's still the biggest free tier. But if you're monitoring commercial sites, OpenPing gives you more features at a lower price — $5/mo for 50 monitors vs $7/mo for 10. And our free plan allows commercial use.