SSL Expiration Reminder vs Opyntel

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

SSL Expiration Reminder compared with Opyntel
Detail	SSL Expiration Reminder	Opyntel
What it does	Automated SSL certificate expiration alerts via email, Telegram, Slack or webhook	One monitoring dashboard for apps, front ends and servers
Stage	Not given	MVP
Founded	Not given	Not given
Based in	FR	Not given
Pricing model	Freemium	Freemium
Pricing	Free: 0€/month with 3 domains; Pro: 9€/month or 99€/year with 25 domains; Agency: 29€/month or 319€/year with 150 domains. Annual plans offer one month free.	Free: up to 10 services. Pro: $19/month (100 services, 1 year of history, 15-minute refreshes). Enterprise: $49/month (unlimited services, unlimited history, 5-minute refreshes). Annual billing includes two months free. Founding members from waitlist receive Enterprise free for life.
Key features	Daily certificate verification Email, Telegram, Slack and webhook notifications Customizable alert timing at 30, 15, 7, 5, 3 or 1 day before expiration CSV import and export Multiple recipients with domain-level assignment on Agency plan Weekly and monthly email reports on paid plans REST API for domain management on Agency plan Invalid certificate alerts	Automatic discovery of services, projects, databases and servers Live service states mapped to ok, degraded, deploying, down or stopped CPU, memory, disk, network metrics and request latency tracking Deploy, restart and crash event logging Cost estimation by project and service Status and metric history with daily health grid Alerts via Slack, email and SMS Support for 20+ platform integrations Read-only token authentication with no write permissions Optional agent for Linux servers without platform integrations
What makes it different	No server installation required, reads certificates like a browser would Free plan supports up to 3 domains without requiring a credit card Combines automatic renewal alerts with notifications for failures that don't trigger alerts Suitable for agencies managing client sites with per-domain recipient control	Unified dashboard across 20+ deployment and hosting platforms in one table Deploy events, crashes and metrics displayed side-by-side with status Read-only access design with GraphQL and GET-only restrictions for security No application code changes or agent installation required for most platforms Cost tracking and spend forecasting included on paid plans
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	4
Citation Flow (Majestic)	0	4
Referring domains (Majestic)	0	1

5 details filled in for both companies.

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