FREEDOM251

Freedom251 › Compare

Side by side

Downdetector vs UptimeKeeper

Both stand on website monitoring software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Downdetector

Free plan AndroidAPIiPhone+1

Downdetector combines public outage reporting with monitoring and communication tools for organizations. The free plan is limited by favorite and notification caps, while Explorer and Communicate add business-focused capabilities.

Visit Downdetector

UptimeKeeper

Free plan APIWeb

UptimeKeeper combines availability, performance, certificate, content, alerting, status-page, and API tools. The free plan offers essential monitoring, while teams needing advanced checks or SMS should consider the paid tiers.

Visit UptimeKeeper

The facts

DowndetectorUptimeKeeper
Free planYesYes
Open sourceNot publishedNot published
Runs onAndroid, API, iPhone, WebAPI, Web
Lowest paid planPro: $13.99 a monthIndividual: $7 a month
Plans published33
MakerNot publishedNot published
Websitedowndetector.comuptimekeeper.com
On website monitoring software#5 of 55#29 of 55

Downdetector: what it does well

  • Status updates every four minutes
  • Free plan supports up to five favorites
  • Explorer offers geographic breakdowns and alerts
  • Communicate supports customer-facing status updates

What to know first

  • Free notifications have daily limits
  • Pro costs $13.99 a month
  • Ookla licenses Downdetector data to business customers

UptimeKeeper: what it does well

  • Monitors websites, APIs, and ports globally
  • Checks SSL, domains, latency, and page speed
  • Email and SMS downtime alerts
  • Branded status pages can be embedded
  • API access supports automation

What to know first

  • Advanced SSL and domain monitoring are paid
  • SMS alerts are paid features
  • Paid plans start at 7.00 USD monthly

Alternatives to Downdetector Alternatives to UptimeKeeper The whole list