Immersive Translate vs Sider
A side-by-side comparison of Immersive Translate and Sider, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
Immersive Translate
TranslationBilingual side-by-side translation for web pages, PDFs, ebooks, and video subtitles.
View Immersive TranslateAt a glance
| Attribute | Immersive Translate | Sider |
|---|---|---|
| Category (differs) | Translation | Assistant |
| Pricing | FREEMIUM | FREEMIUM |
| License | Proprietary | Proprietary |
| Deployment | — | — |
| Platforms (differs) | Browser extension, Web, iOS, Android | Browser extension |
| Model support | Multi-model | Multi-model |
| Vendor (differs) | Immersive Translate | Sider AI |
The honest brief
Immersive Translate
Side-by-side bilingual layout across web, PDF, EPUB, and video subtitles, with a dozen-plus swappable engines — broader format coverage than rival sidebars.
- Free core with generous limits
- Bilingual layout preserves original text
- Translates PDFs, EPUBs, subtitles, manga
- Works with your own API keys
- Chrome, Edge, Firefox, Safari support
- Pro needed for bundled DeepL/OpenAI quota
- Heavy pages can render translations slowly
- Quality depends on the engine you pick
Sider
Built browser-first, not a chatbot bolted on — one subscription spans multiple model providers on any tab.
- Multi-model (Claude, GPT, Gemini) in one plan
- Among most-installed browser AI assistants
- Side-panel UX tuned for web pages and PDFs
- Works across Chrome, Edge, and more
- Closed source
- Heavy users hit message/credit limits
- Less media generation than Monica