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SPECIFICTION
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Checkmate vs updown.io

Checkmate

checkmate.so

updown.io

updown.io

Side by side

FigureCheckmateupdown.io
Price fromFree€5/mo
Free planYes—
Free trial—Yes
Open source——
WebYesYes
WindowsYes—
macOSYes—
LinuxYes—
APIYesYes
Self-hostedYes—
Plans published17
Spec score · Uptime Monitoring Software8.4 (#10)8.1 (#22)
Spec score · Uptime monitoring services8.5 (#11)8.4 (#16)
APIThe maker says the API accepts JSON for bulk monitor setup and provides a REST API reference.The product offers REST and webhook APIs for integrating with the service.
Founded20232012
Free planYesNo
Status pagesIt provides public status dashboards with per-service uptime, incident history, and custom branding.The service provides hosted single-site and multi-site status pages with availability and performance reports.
SupportThe maker identifies Discord as the fastest help channel and GitHub issues for bugs and feature requests, and says there is no paid support tier.The maker lists support by email at [email protected] and describes it as technical support from the person who built the product.

Plans

Checkmate

  • FreeFree

Checkmate pricing →

updown.io

  • 200,000 credits€5 a month
  • 500,000 credits€10 a month
  • 1,500,000 credits€25 a month
  • 3,000,000 credits€40 a month
  • 10,000,000 credits€100 a month
  • 60,000,000 credits€500 a month
  • Credit packs€500, paid once

updown.io pricing →

In their own words

Checkmate

Checkmate is a free, open-source, self-hosted dashboard for monitoring infrastructure, service uptime, PageSpeed, and incidents. It checks HTTP, ping, TCP, gRPC, WebSocket, DNS, SSL, and more than 100 game server types. Its Capture agent reports server CPU, memory, disk, temperature, and network metrics, while PageSpeed monitoring tracks Lighthouse scores and Core Web Vitals over time. Public status dashboards can show per-service uptime and incident history with custom branding. Alerts can go to email, Slack, Discord, Telegram, Twilio SMS, Pushover, ntfy, Matrix, Rocket.Chat, PagerDuty, Microsoft Teams, and webhooks. The maker says metrics, logs, incidents, and user accounts remain in the database configured by the operator, with no phone-home or telemetry pipeline. Checkmate is licensed under AGPL-3.0 and can be installed with Docker Compose or Kubernetes/Helm; its image runs on x86, Apple Silicon, and Raspberry Pi. The maker says the API accepts JSON for bulk monitor setup and provides a REST API reference. The free plan includes all features, no monitor limits, self-hosting, and 12 alert channels. There is no one-click migration import or paid support tier.

Visit checkmate.so

updown.io

updown.io has no write-up on Specifiction yet; its figures are above.

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