changedetection.io vs Watchtower
A side-by-side comparison of two self-hosted automation & workflows options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
changedetection.io
Website change detection and notification
VS
Watchtower
Automatically update running Docker containers to new images
| Feature | changedetection.io | Watchtower |
|---|---|---|
| Category | Automation & Workflows | Automation & Workflows |
| License | Apache-2.0 | Apache-2.0 |
| Language | Python | Go |
| Setup difficulty | Easy | Easy |
| Min. RAM | 256 MB | 64 MB |
| Deployment | docker | docker |
| GitHub stars | ★ 32,985 | ★ 24,695 |
| First released | 2021 | 2017 |
| Replaces | IFTTT | Renovate |
Why pick each one
Choose changedetection.io if…
- Great for price and stock tracking
- Lots of notifiers
- Easy to deploy
Frequently asked questions
Is changedetection.io or Watchtower better?
Neither is universally better. changedetection.io has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are changedetection.io and Watchtower free and open-source?
Yes. changedetection.io is licensed under Apache-2.0 and Watchtower under Apache-2.0. Both can be self-hosted at no software cost.
Can I run changedetection.io and Watchtower with Docker?
changedetection.io: yes. Watchtower: yes.