Oh Dear vs Page Deltas

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Oh Dear compared with Page Deltas
Detail	Oh Dear	Page Deltas
What it does	Website health monitoring tool that checks uptime, SSL certificates, broken links, DNS records, cron jobs and performance from multiple locations worldwide.	AI-powered website change monitoring platform that watches competitor pricing, docs, careers pages, and policy changes
Stage	Established	Not given
Founded	2018	Not given
Based in	BE	Not given
Pricing model	Paid	Freemium
Pricing	Nine plans in EUR billed monthly or annually with 2 months free yearly: Solo €15/month (2 sites), Solo Plus €29/month (5 sites), Freelance €49/month (10 sites), Studio €99/month (25 sites), Agency €149/month (50 sites), Agency Plus €199/month (75 sites), Portfolio €249/month (100 sites), Portfolio P	Free: 10 monitored URLs, 14-day history, all alert channels, AI filtering/summaries, API/MCP access, unlimited checks (best-effort frequency). Starter: $29/mo for 150 URLs, 30-day history, priority checking. Pro: $79/mo for 1,000 URLs, 90-day history. Business: $199/mo for 5,000 URLs, 365-day histor
Key features	Uptime monitoring checked every minute from multiple worldwide locations SSL certificate expiry and health monitoring Broken links and mixed content detection across all pages DNS record and domain expiration monitoring Scheduled task (cron job) monitoring with failure alerts Daily Lighthouse SEO and performance audits Branded status pages and client reports Multi-channel notifications via Slack, email, Teams, PagerDuty and webhooks Application health monitoring for queues, storage and cache AI-powered monitoring to verify custom requirements	AI change filtering - LLM filters out noise so only relevant changes trigger alerts AI change summary - LLM-generated summaries explain what changed Multi-channel alerts - Slack, Discord, Teams, email, webhooks Screenshot overlays - Before and after screenshots with each alert REST API and MCP server - Programmatic access and AI agent integration Adaptive checking - Frequency adjusts based on page change cadence Role-based team access - Admin, editor, and viewer permissions History retention - Plan-dependent retention from 14 days to 2 years Priority checking on paid plans - Faster URL monitoring frequency
What makes it different	All features included on every plan with no feature tiers or paywalls Verified alerts from multiple locations to eliminate false alarms Complete monitoring in one tool replacing six separate services EU data hosting with GDPR compliance and signable DPA Unlimited users and team features on all plans	Only changes that matter - AI filters noise from the constant web changes Robust infrastructure - Works with 99% of public web pages No credit card required for free plan - 10 URLs monitored forever Adaptive scheduling - Pages checked based on their change frequency
Community votes	0	0
DR (Domain Rating by Ahrefs)	77 no change since last check	26 no change since last check
Trust Flow (Majestic)	38	5
Citation Flow (Majestic)	52	24
Referring domains (Majestic)	1478	18

5 details filled in for both companies.

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