
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.
Hearify records 2,320 monthly visits with +4.7% month-over-month growth and Freemium pricing. Sider records 2,644,740 monthly visits with -10.6% growth and Freemium pricing.
Turn any text, PDF or video into an interactive quiz
| Dimension / Metric | ||
|---|---|---|
| Official Domain | hearify.org | sider.ai |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 2.32K (2,320) | 2.64M (2,644,740) |
| MoM Traffic Delta | +104 (+4.7%) | -314.2K (-10.6%) |
| Primary Market & Share | 🇺🇸 United States (57.4%) | 🇺🇸 United States (13.3%) |
| Direct Visits / mo | 903 | 1.7M |
| User Rating | 4.2 | 4.5 |
| Supported Platforms | Website | Website |
Turn any text, PDF or video into an interactive quiz
Turn pasted text, PDF files or video transcripts into a full quiz in a single pass, then edit or discard any question.
The tool adjusts question type and difficulty to the learner's level, so assessments fit different audiences.
Ask questions in the languages your learners, staff or customers actually use.
Add images, video and charts to questions instead of relying on plain text.
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.

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.
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.

Turn your own notes into exam-ready practice
Turn your own notes into exam-ready practice

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.

AI quiz, poll and survey builder that turns traffic into leads
AI quiz, poll and survey builder that turns traffic into leads

Turn any document, video or topic into a finished quiz in seconds
Turn any document, video or topic into a finished quiz in seconds

AI quiz maker and notes that cite the exact second or page of your own lectures
AI quiz maker and notes that cite the exact second or page of your own lectures