Sider records 2,644,740 monthly visits with -10.6% month-over-month growth and Freemium pricing. Transor records 2,708 monthly visits with +126.2% growth and Freemium pricing.
AI sidebar and browser agent for reading, writing and research
Read the web, documents and video in two languages at once
| Dimension / Metric | | |
|---|---|---|
| Official Domain | sider.ai | transor.ai |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 2.64M (2,644,740) | 2.71K (2,708) |
| MoM Traffic Delta | -314.2K (-10.6%) | +1.51K (+126.2%) |
| Primary Market & Share | 🇺🇸 United States (13.3%) | 🇰🇷 South Korea (49.6%) |
| Direct Visits / mo | 1.7M | 1.08K |
| 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.
Read the web, documents and video in two languages at once
Transor detects the core content of a page and renders a low-intrusion bilingual view, keeping the original text next to the translation so you can read and learn at the same time.
Real-time bilingual subtitles for YouTube and Netflix let you follow the original audio while reading a translation of every line as it plays.
Translate PDFs and documents into a side-by-side bilingual layout, so academic papers, contracts and reports stay readable in both languages.
OCR plus inpainting reads text inside images and re-renders the translation so it blends naturally with the original design.
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.
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.
Bilingual AI translation for websites, documents, video and images
Bilingual AI translation for websites, documents, video and images
Learn languages from Netflix, YouTube, and real-world texts with dual subtitles and AI
Learn languages from Netflix, YouTube, and real-world texts with dual subtitles and AI
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.
An AI language learning assistant with bilingual subtitles, immersive translation, and vocabulary practice
An AI language learning assistant with bilingual subtitles, immersive translation, and vocabulary practice
One AI translator for documents, images, video and text
One AI translator for documents, images, video and text
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.
