Sider records 2,644,740 monthly visits with -10.6% month-over-month growth and Freemium pricing. Wandpen records 3,871 monthly visits with -42.1% growth and Freemium pricing.
AI sidebar and browser agent for reading, writing and research
AI writing and chat that works wherever you type in Chrome
| Dimension / Metric | | |
|---|---|---|
| Official Domain | sider.ai | wandpen.com |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 2.64M (2,644,740) | 3.87K (3,871) |
| MoM Traffic Delta | -314.2K (-10.6%) | -2.81K (-42.1%) |
| Primary Market & Share | 🇺🇸 United States (13.3%) | 🇺🇸 United States (92.6%) |
| Direct Visits / mo | 1.7M | 1.54K |
| User Rating | 4.5 | 4.1 |
| 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.
AI writing and chat that works wherever you type in Chrome
Improve writing, fix grammar and spelling, rewrite, translate and brainstorm without leaving the tab you're in.
Ask questions about the page you're on and summarize, rewrite or translate it with context.
Unlimited local writing and on-device voice-to-text powered by Gemini Nano, free and offline.
Write and organize your own reusable prompts in folders to speed up recurring tasks.
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
SpecialistCross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
SpecialistCross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
SpecialistAI grammar, spelling and style checker for 30+ languages
SpecialistAI grammar, spelling and style checker for 30+ languages
All-in-one AI assistant across web, browser, desktop and mobile
All-in-one AI assistant across web, browser, desktop and mobile
One-click AI assistant for browsing, writing and research
One-click AI assistant for browsing, writing and research
Excels at advanced web automation and data extraction alongside chat, but has a steeper learning curve than Sider.
AI writing assistant with autocomplete, research, and a Chrome extension
AI writing assistant with autocomplete, research, and a Chrome extension
AI grammar checker and writing assistant for teams and professionals
AI grammar checker and writing assistant for teams and professionals
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.
