Dev tools · alternatives · 2026

24 alternatives to CHECKONLINE.APP

Check your website status just for $1.25 / month

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. CHECKONLINE.APP launched in 2020; newer entries below may have overtaken it.

1
Website Checker▲110
Sends you alerts when your website goes down.
2018 · its alternatives →
2
Checkly 2.0▲209
Monitor your modern web app in 1 minute. Free dev plan!
2021 · checklyhq.com · its alternatives →
3
Checkify▲77
Super minimal, simple and inexpensive 24/7 uptime monitoring
2021 · its alternatives →
4
WebCheck▲65
Get notified whenever some of your websites are down
2020 · webcheck.vercel.app · its alternatives →
5
Free Status Page▲183
Real-time status page for your app
2023 · bugpilot.io · its alternatives →
6
Freshping by Freshworks▲245
Free forever website monitoring & status pages 🤩
2018 · freshworks.com · its alternatives →
7
Checkin▲124
A 5-minute call can change your life
2022 · getcheckin.com · its alternatives →
8
Checkeeper▲82
Print checks online in 10 seconds
2015 · checkeeper.com · its alternatives →
9
Website Trust Checker▲68
Check the credibility of any website in one click
2022 · pr-cy.io · its alternatives →
10
Simple Ping▲5
Seamlessly monitor your websites, web apps and servers
2024 · simple-ping.com · its alternatives →
11
Uptime Monitor▲76
Get instant alerts when your website goes down.
2023 · uptime-monitor.io · its alternatives →
12
Check Site Status▲5
Free Website Down Checker and Monitoring Tool
2025 · checksitestatus.com · its alternatives →
13
SEO Checker▲73
SEO tools and competitive analysis
2021 · play.google.com · its alternatives →
14
SiteStatus.org▲4
Is it down—or just you?
May 2026 · sitestatus.org · its alternatives →
15
exit1.dev▲11
I'm trying to disrupt the insane pricing of uptime monitoring. I hope you'll help me out. I'm trying to create the absolute cheapest dev monitoring tool on the market, while still being competitive with all the others. This means $3/month plan, while still having monitoring for: Website, REST API, UDP/TCP, ICMP, Heartbeat/CRON, WS/WSS, DNS, Domain Intel/expiry and SSL. Everything with unlimited alerts through webhooks. I'm also taking an unlimited approach to the amount of checks you can have. I'd love to hear your thoughts.
2025 · exit1.dev · its alternatives →
16
IsPage.Online▲6
Check the availability of the site every 2 minutes
2018 · its alternatives →
17
Backlink Status Checker▲47
One-Click Backlink Status Check – Fast and Easy
2024 · backlinkmonitor.com · its alternatives →
18
My Site Up/Down Checker - Checking Globally▲11
2012 · wheresitup.com · its alternatives →
19
DownChecker▲11
Free website monitoring service - keep websites in check
2025 · downchecker.bekhruz.com · its alternatives →
20
WebsiteChecker▲6
Simple website analysis, monitoring & reporting tool
2018 · hostscore.net · its alternatives →
21
Website Health Checker▲10
Seo Checker and Website Health
2025 · siteacademy.co.uk · its alternatives →
22
Is Your Website Down Right Now▲7
Instantly check if any website is down.
2025 · isyourwebsitedownrightnow.com · its alternatives →
23
Hyperping.io, a simple and inexpensive website monitoring service▲9
Monitor websites and APIs from 19 locations with 30-second checks. Built-in status pages, on-call scheduling, and zero false positives. Start free in 5 minutes.
2018 · hyperping.io · its alternatives →
24CA
Checkup, an open-source uptime monitoring tool built for developers▲22
2016 · text.sourcegraph.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →