Healthchecks vs Monika
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
Healthchecks
Cron job and scheduled task monitoring
VS
Monika
Synthetic monitoring with HTTP probes from config
| Feature | Healthchecks | Monika |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 93 · Excellent | 66 · Good |
| Category | Monitoring & Status | Monitoring & Status |
| License | BSD-3-Clause | Apache-2.0 |
| Language | Python | TypeScript |
| Setup difficulty | Easy | Easy |
| Min. RAM | 256 MB | 128 MB |
| Deployment | docker, bare-metal | docker, binary |
| GitHub stars | ★ 10,358 | ★ 628 |
| First released | 2015 | 2021 |
| Replaces | Pingdom | Pingdom, Datadog Synthetics |
What are Healthchecks and Monika?
Healthchecks
Healthchecks is a self-hosted service that monitors cron jobs and scheduled tasks using dead man's switch pings. It targets administrators who need to know when a recurring job silently fails. It is deployed via Docker or a Django install.
- Dead man's switch for cron jobs
- Many notification integrations
- Per-check schedules and grace
- REST API
Monika
Monika is a free and open-source synthetic monitoring tool that runs HTTP probes defined in a configuration file and alerts on failures. It checks uptime, response times, and assertions.
- Config-driven probes
- Response assertions
- Many alert channels
- Synthetic monitoring
Healthchecks vs Monika: key differences
Healthchecks is written in Python, while Monika is built with TypeScript. Licensing differs — BSD-3-Clause for Healthchecks versus Apache-2.0 for Monika. Monika is the lighter option, starting around 128 MB of RAM against 256 MB for Healthchecks. Healthchecks is the more established project (first released 2015), while Monika arrived in 2021. Healthchecks has the considerably larger community, at 10,358 GitHub stars versus 628.
Why pick each one
Choose Healthchecks if…
- Catches silently failing jobs
- Lots of notification channels
- Lightweight
Watch out for
- Narrow use case
- Not for metrics
Choose Monika if…
- Released under the Apache-2.0 license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Written in TypeScript
Frequently asked questions
Is Healthchecks or Monika better?
Neither is universally better. Healthchecks has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are Healthchecks and Monika free and open-source?
Yes. Healthchecks is licensed under BSD-3-Clause and Monika under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Healthchecks and Monika with Docker?
Healthchecks: yes. Monika: yes.
Which is lighter on resources, Healthchecks or Monika?
Monika has the smaller minimum footprint at 128 MB of RAM, compared to about 256 MB for Healthchecks. Real-world usage depends on library size, user count, and enabled features.