UptimeDuck vs HetrixTools
Free plans, paid plans and features, compared using each provider’s published information.
Last checked: October 20, 2026
UptimeDuck and HetrixTools both combine uptime, server and blacklist monitoring and both have a free plan. This page puts the published facts side by side so you can see which fits your needs.
Free plans
| UptimeDuck Free | HetrixTools Free | |
|---|---|---|
| Price | €0 | $0 [1] |
| Uptime monitors | 10 | 15 [1] |
| Server monitors | 1 | 15 [1] |
| Check interval | Every 180 seconds | Every minute [1] |
| Monitoring locations | 2 per monitor | 4 of 12 [1] |
| Blacklist (RBL) monitors | 1, checked at most hourly | 32, checked every 24 hours [2] |
| Cron & heartbeat monitors | 3 | — |
| Minecraft server monitors | 1 | — |
| Included SMS | None | None; phone/SMS credits $0.10 each [1] |
| Activity requirement | Log in at least once every 30 days | Log in at least once every 90 days [1] |
| History | 7 days of data retention | 15-day activity log, unlimited uptime report history [1] |
Paid plans
HetrixTools sells uptime monitoring and blacklist monitoring as separate plans [1][2]. UptimeDuck plans include every monitor type in one plan, priced in euros and billed monthly from prepaid credit.
| UptimeDuck plan | Price | Uptime / server / RBL monitors | Minimum interval |
|---|---|---|---|
| Starter | €4.99/month | 20 / 5 / 5 | 60s |
| Medium | €12.99/month | 50 / 15 / 10 | 30s |
| Large | €24.99/month | 100 / 30 / 25 | 20s |
| Enterprise | €59.99/month | 300 / 50 / 100 | 20s |
| HetrixTools uptime plan | Price | Uptime / server monitors | Locations |
|---|---|---|---|
| Professional | $9.95/month or $99.95/year [1] | 30 / 30 [1] | 6 of 12 [1] |
| Business | $19.95/month or $199.95/year [1] | 60 / 60 [1] | 9 of 12 [1] |
| Enterprise | $49.95/month or $499.95/year [1] | 200 / 200 [1] | All 12 [1] |
| HetrixTools blacklist plan | Price | Blacklist monitors | Check frequency |
|---|---|---|---|
| Personal | $9.95/month or $99.95/year [2] | 256 [2] | 12 hours [2] |
| Professional | $19.95/month or $199.95/year [2] | 512 [2] | 8 hours [2] |
| Business | $39.95/month or $399.95/year [2] | 2,048 [2] | 12 hours, adjustable from 2 to 24 [2] |
| Enterprise | $99.95/month or $999.95/year [2] | 8,192 [2] | 12 hours, adjustable from 2 to 24 [2] |
What each includes beyond uptime checks
UptimeDuck
- One plan covers uptime (HTTP(s), TCP, Ping), server, cron & heartbeat, Minecraft server and blacklist (RBL) monitors.
- Kubernetes monitoring with a Helm chart, on paid plans. Docs
- SSL and domain expiry alerts on HTTP(s) monitors, on every plan.
- Downtime confirmation: immediately, after 3 consecutive failures, or from a second region.
- Alerts by email, mobile app push (iOS and Android), SMS, Slack, Discord, Telegram and Matrix. Docs
- Team members, projects and status pages, with custom domains on paid plans.
HetrixTools
From its pricing and home pages [1][2][3]:
- Checks every minute on every plan, confirmed from several locations.
- A server agent for Linux, Windows, macOS or shared hosting, with one agent per uptime monitor included.
- Status pages, maintenance mode, outage diagnostics, SSL and domain expiry and nameserver change checks on every plan.
- Blacklist monitoring against 94 IPv4 and domain blacklists plus Microsoft SNDS on every blacklist plan.
- Alerts by email, phone call, SMS, webhooks, Telegram, Slack, Discord, Microsoft Teams, Google Chat, Mattermost, Rocket.Chat, PagerDuty, Opsgenie, ilert, VictorOps, Jira, Pushover, Pushbullet and ntfy.sh.
- A v3 API and MCP access on every plan; sub-accounts on paid plans.
Which one fits?
- If you need many server or blacklist monitors on a free plan, or one-minute checks without paying, HetrixTools’ Free plans include more of those.
- If you want cron, Minecraft server and Kubernetes monitoring alongside uptime, server and blacklist checks in a single plan from €4.99/month, UptimeDuck covers those in one account.
Sources
Competitor details come only from the public pages below, last checked on October 20, 2026. UptimeDuck details come from the pricing page and the documentation. Plans and prices change; check each provider’s site before you decide.
- HetrixTools Uptime Monitor pricing — https://hetrixtools.com/pricing/uptime-monitor/
- HetrixTools Blacklist Monitor pricing — https://hetrixtools.com/pricing/blacklist-monitor/
- HetrixTools home page — https://hetrixtools.com/
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