PhotoPrism vs PiGallery2
A side-by-side comparison of two self-hosted photo management options — licensing, setup difficulty, resource needs, and what each one replaces.
PhotoPrism
AI-powered photo app for the decentralized web
VS
PiGallery2
Fast directory-based photo gallery with search and maps
| Feature | PhotoPrism | PiGallery2 |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 99 · Excellent | 82 · Excellent |
| Category | Photo Management | Photo Management |
| License | AGPL-3.0 | MIT |
| Language | Go | TypeScript |
| Setup difficulty | Medium | Easy |
| Min. RAM | 2,048 MB | 512 MB |
| Deployment | docker | docker, bare-metal |
| GitHub stars | ★ 40,233 | ★ 2,283 |
| First released | 2018 | 2016 |
| Replaces | Google Photos | Google Photos |
What are PhotoPrism and PiGallery2?
PhotoPrism
PhotoPrism is an AI-powered application for browsing, organizing, and sharing a personal photo collection with automatic tagging. It targets photographers and families wanting a private photo library. It is deployed via Docker.
- Automatic AI tagging and search
- Maps and faces
- RAW image support
- Works without an internet connection
PiGallery2
PiGallery2 is a fast, directory-driven photo gallery server that does not move or modify your files. It supports faces, geolocation maps, and a powerful search syntax with a lightweight footprint.
- Directory-based galleries
- Geolocation maps
- Powerful search syntax
- Read-only on your files
PhotoPrism vs PiGallery2: key differences
PhotoPrism is written in Go, while PiGallery2 is built with TypeScript. Licensing differs — AGPL-3.0 for PhotoPrism versus MIT for PiGallery2. PiGallery2 is the lighter option, starting around 512 MB of RAM against 2,048 MB for PhotoPrism. PiGallery2 is the more established project (first released 2016), while PhotoPrism arrived in 2018. PhotoPrism has the considerably larger community, at 40,233 GitHub stars versus 2,283.
Why pick each one
Choose PhotoPrism if…
- Strong local AI features
- Great RAW support
- Polished UI
Watch out for
- Indexing is resource heavy
- Mobile experience via PWA
Choose PiGallery2 if…
- Does not touch your files
- Runs well on a Raspberry Pi
Watch out for
- No editing features
- Limited multi-user support
Frequently asked questions
Is PhotoPrism or PiGallery2 better?
Neither is universally better. PhotoPrism has the larger community, while PiGallery2 is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are PhotoPrism and PiGallery2 free and open-source?
Yes. PhotoPrism is licensed under AGPL-3.0 and PiGallery2 under MIT. Both can be self-hosted at no software cost.
Can I run PhotoPrism and PiGallery2 with Docker?
PhotoPrism: yes. PiGallery2: yes.
Which is lighter on resources, PhotoPrism or PiGallery2?
PiGallery2 has the smaller minimum footprint at 512 MB of RAM, compared to about 2,048 MB for PhotoPrism. Real-world usage depends on library size, user count, and enabled features.