Sider records 2,644,740 monthly visits with -10.6% month-over-month growth and Freemium pricing. The StoryGraph records 5,691,605 monthly visits with +4.5% growth and Freemium pricing.
AI sidebar and browser agent for reading, writing and research
Mood-based book recommendations and reading tracking
| Dimension / Metric | ||
|---|---|---|
| Official Domain | sider.ai | thestorygraph.com |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 2.64M (2,644,740) | 5.69M (5,691,605) |
| MoM Traffic Delta | -314.2K (-10.6%) | +245.22K (+4.5%) |
| Primary Market & Share | 🇺🇸 United States (13.3%) | 🇺🇸 United States (52.4%) |
| Direct Visits / mo | 1.7M | 3.66M |
| User Rating | 4.5 | 4.3 |
| Supported Platforms | Website | Website |
AI sidebar and browser agent for reading, writing and research
A persistent panel that reads the page you are on and answers follow-ups with GPT, Claude or Gemini without copying content into another tab.
Summarise long articles, PDFs and YouTube videos, extract key points, and ask detailed questions about the source material.
Translate webpages, PDFs and images, compare bilingual output side by side, and have content read aloud for review on the move.
Delegate multi-step tasks across real websites — price comparison, form filling, research and inbox triage — using your existing logged-in sessions.
Mood-based book recommendations and reading tracking
Get suggestions based on the moods, pace, length and genres you actually enjoy, not just overall popularity.
Record books you read, rate them, write reviews and track to-read, currently reading and did-not-finish titles.
See detailed community-contributed content warnings so you can choose books that suit you.
Explore personalised stats on your reading pace, genres, moods and more across the year.
SpecialistDelivers highly customized book recommendations and reading insights through conversation, but lacks built-in reading logs.
SpecialistDelivers highly customized book recommendations and reading insights through conversation, but lacks built-in reading logs.
SpecialistProvides broad multi-modal research and book recommendations, but lacks dedicated reading analytics and community features.
SpecialistProvides broad multi-modal research and book recommendations, but lacks dedicated reading analytics and community features.
SpecialistOffers deep literary analysis and custom book recommendations, without automated reading progress tracking dashboards.
SpecialistOffers deep literary analysis and custom book recommendations, without automated reading progress tracking dashboards.
Free / Open-sourceProvides low-cost, open-weight AI assistance for generating book recommendations and analyzing reading preferences.
Free / Open-sourceProvides low-cost, open-weight AI assistance for generating book recommendations and analyzing reading preferences.
SpecialistAllows you to manually build customized reading trackers and book databases, requiring more manual setup.
Offers a very similar browser sidebar experience with multiple AI models, but features slightly different pricing and workspace tools.
Offers a very similar browser sidebar experience with multiple AI models, but features slightly different pricing and workspace tools.
Provides robust browser-based summarization and prompt assistance, but lacks some of Sider's deeply integrated multi-model chat UI features.
Provides robust browser-based summarization and prompt assistance, but lacks some of Sider's deeply integrated multi-model chat UI features.
Excels at advanced web automation and data extraction alongside chat, but has a steeper learning curve than Sider.
SpecialistProvides AI-powered recommendations for movies and TV shows, replacing the entertainment discovery aspect of reading.
SpecialistProvides AI-powered recommendations for movies and TV shows, replacing the entertainment discovery aspect of reading.
Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser
Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser
Integrates bookmark management and content composition into a clean sidebar, but has a more limited feature set than Sider.
Integrates bookmark management and content composition into a clean sidebar, but has a more limited feature set than Sider.
Delivers streamlined inline writing and webpage summarization via a browser extension, but with fewer custom sidebar tools.
Delivers streamlined inline writing and webpage summarization via a browser extension, but with fewer custom sidebar tools.
