Sites and apps similar to CronSafe include ntfy, which is open source with a free version. Other options are Sentry, NoCrash, Healthchecks.io and Honeybadger. Uptime Monitor Services like CronSafe are a crowded field, with more than 25 alternatives for self-hosting, Linux, iPad, iPhone and Android.
Send notifications to your phone from any Bash or PowerShell script, or from your own app using PUT/POST requests, e.g. via curl on Linux or Invoke-WebRequest.
Germany
EU
Monitors applications for errors in real time, sending alerts through email, SMS, or chat, displaying diagnostics and error location, visualizing impact by release, and providing reproducible crash details for efficient troubleshooting across teams and platforms.
United States
NoCrash watches your n8n workflows, AI agents, vibecoded apps, URLs, and Stripe, and sends one plain-English morning brief before a silent failure reaches your clients. Free plan with 3 watches, no card.
EstoniaEU
Healthchecks.io is a service for monitoring cron jobs and similar periodic processes:
LatviaEU
Honeybadger is an application health monitoring tool built by developers for developers. It's everything you need to keep production happy—and nothing you don't.
United States
Self-hosted Docker and Kubernetes monitoring in a single container — containers, endpoints, cron jobs, SSL certs, image updates, network security, and status page.
FranceEU
India
PushMon is a new kind of cloud-based monitoring system. Instead of checking public facing servers on a regular basis, PushMon will wait for pings from the objects being monitored. These objects are usually batch jobs, scheduled/cron scripts, backups, or test scripts, but really...
Monitor your email alerts service and detect that it's stopped working before your users complain.
United States
Single-binary crond + supervisord replacement with a built-in web dashboard, terminal UI, and REST API. Every run recorded - exit code, duration, stdout/stderr.
SlovakiaEU
