Koodo Reader vs Readest
A side-by-side comparison of two self-hosted e-books & media library options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Koodo Reader | Readest |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 97 · Excellent | 97 · Excellent |
| Category | E-books & Media Library | E-books & Media Library |
| License | AGPL-3.0 | AGPL-3.0 |
| Language | JavaScript | TypeScript |
| Setup difficulty | Easy | Medium |
| Min. RAM | 256 MB | 512 MB |
| Deployment | docker, binary | docker, bare-metal |
| GitHub stars | ★ 28,282 | ★ 24,565 |
| First released | 2020 | 2024 |
| Replaces | Calibre, Apple Books | Kindle, Apple Books |
What are Koodo Reader and Readest?
Koodo Reader
Koodo Reader is an open-source ebook reader supporting EPUB, PDF, MOBI, and many other formats, with annotations, highlights, and a personal library. It can be self-hosted as a web app to read books from any browser.
- Supports many ebook formats
- Annotations and highlights
- Self-hostable web reader
- Cross-platform desktop apps
Readest
Readest is an open-source ebook reader with a self-hostable sync server for keeping reading progress and annotations consistent across devices. It supports EPUB and other common formats.
- Cross-device progress sync
- EPUB and PDF support
- Annotations and highlights
- Self-hostable sync server
Koodo Reader vs Readest: key differences
Koodo Reader is written in JavaScript, while Readest is built with TypeScript. Koodo Reader is the lighter option, starting around 256 MB of RAM against 512 MB for Readest. Koodo Reader is the more established project (first released 2020), while Readest arrived in 2024.
Why pick each one
Choose Koodo Reader if…
- Many formats supported
- Rich annotation tools
- Works fully offline
Watch out for
- Sync needs manual setup
- Electron app weight
Choose Readest if…
- Clean modern interface
- Cross-device sync
- Multiple format support
Watch out for
- Relatively young project
- Smaller community
Frequently asked questions
Is Koodo Reader or Readest better?
Koodo Reader is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Readest if its specific feature set fits your needs better.
Are Koodo Reader and Readest free and open-source?
Yes. Koodo Reader is licensed under AGPL-3.0 and Readest under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Koodo Reader and Readest with Docker?
Koodo Reader: yes. Readest: yes.
Which is lighter on resources, Koodo Reader or Readest?
Koodo Reader has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for Readest. Real-world usage depends on library size, user count, and enabled features.