Eightify vs Sider
A side-by-side comparison of Eightify and Sider, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
Eightify
ProductivityAI YouTube summarizer that turns any video into key takeaways and timestamps.
View EightifyAt a glance
| Attribute | Eightify | Sider |
|---|---|---|
| Category (differs) | Productivity | Assistant |
| Pricing | FREEMIUM | FREEMIUM |
| License | Proprietary | Proprietary |
| Deployment | — | — |
| Platforms (differs) | Browser extension, iOS, Android | Browser extension |
| Model support | Multi-model | Multi-model |
| Vendor (differs) | — | Sider AI |
The honest brief
Eightify
Purpose-built for YouTube: one extension (plus iOS/Android apps on the same account) that delivers timestamped, multi-language video summaries in seconds.
- Fast timestamped YouTube summaries
- Works on Chrome, iOS, and Android
- 40+ language summaries and translations
- Handles very long videos
- Powered by Claude and ChatGPT
- Free tier limited to a few summaries
- Focused on YouTube only
- Subscription needed for unlimited use
- Summary quality varies by video
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