Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

Head-to-head · AI PDF Assistants

Sharly AI vs pdfAssistant.ai

  • Updated Sep 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Sharly AI #6 in AI PDF Assistants 9.0/10 Free plan · paid from $12.50/user/mo (annual) Free plan✓ 3 of 3 features Visit Sharly AI
pdfAssistant.ai #7 in AI PDF Assistants 7.7/10 Free plan · paid from $9.99/mo Free plan✓ 2 of 3 features Try pdfAssistant.ai

Sharly AI leads on 1 check, pdfAssistant.ai on 0, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSharly AI · 9.0/10
  • Free planboth
  • Most featuresSharly AI · 3 of 3

Sharly AI scores higher on our rubric for ai pdf assistants: 9.0 against 7.7 out of 10; our editors rank them #6 and #7.

Sharly AI offers source citations; pdfAssistant.ai doesn't publish it.

Sharly AI is the better fit for collaborative document research teams. pdfAssistant.ai is the better fit for advanced PDF workflows and file operations.

  • Sharly AI fits best

    Collaborative document research teams

  • pdfAssistant.ai fits best

    Advanced PDF workflows and file operations

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature Sharly AI 9.0/10 Visit ↗ pdfAssistant.ai 7.7/10 Visit ↗
At a glance
Editor score 9.0 7.7
Ranking #6 in AI PDF Assistants #7 in AI PDF Assistants
Best for Collaborative document research teams Advanced PDF workflows and file operations
Pricing model Free plan + paid Free plan + paid
Starting price Not published $9.99/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud, Browser extension
Platforms Web Web
Support Email, Docs Tickets
Compliance SOC 2, SSO/SAML SOC 2
Integrations 5 integrations 4 integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Sharly AI 3/3 · pdfAssistant.ai 2/3
Multiple PDFs per chat ✓ ✓
Source citations ✓ (best) Not published
Scanned PDF support ✓ ✓
Specs
Maximum file size Not published Not published
Maximum PDF pages Not published Not published
Export formats APA, MLA, Chicago PDF, DOCX, XLSX, PPTX, Markdown, PDF/A, PDF/X, PNG, JPEG, TIFF, GIF, BMP, FDF, XFDF, XML, XDP, XFD
Access platforms web web
Our review
Pros
  • Chat across multiple PDFs and documents with linked inline citations
  • Detect contradictions and compare information in natural language
  • Shared workspaces, annotations, permissions, and activity logs
  • OCR, conversion, redaction, signing, and PDF file operations
  • Reusable workflows plus batch processing for large file sets
  • MCP integrations with Claude, ChatGPT, and Codex
Cons
  • Free plan is limited to 5 documents per day
  • Advanced collaboration and admin controls require paid tiers
  • Access is provided through the web platform
  • Web access only
  • Starter limits usage to 400 credits and 20 document processes
  • Documented AI features do not include answer citation links
Our verdict

Sharly AI is a web-based research assistant for individuals, analysts, compliance groups, academics, and research teams. It accepts PDFs, DOCX, PPTX, spreadsheets, URLs, Google Docs, and Notion uploads, then provides summaries, answers,…

Read the review →

pdfAssistant.ai is a browser-based AI platform for processing, analyzing, and automating PDF documents. It suits individuals, professionals, teams, and organizations that need more than conversational PDF questions, including…

Read the review →
  1. Sharly AIAI PDF Assistants 9.0Free plan · paid from $12.50/user/mo (annual)
  2. pdfAssistant.aiAI PDF Assistants 7.7Free plan · paid from $9.99/mo

Strengths and trade-offs

  • Sharly AI — where it wins

    • Chat across multiple PDFs and documents with linked inline citations
    • Detect contradictions and compare information in natural language
    • Shared workspaces, annotations, permissions, and activity logs

    Where it doesn't

    • Free plan is limited to 5 documents per day
    • Advanced collaboration and admin controls require paid tiers
    • Access is provided through the web platform
  • pdfAssistant.ai — where it wins

    • OCR, conversion, redaction, signing, and PDF file operations
    • Reusable workflows plus batch processing for large file sets
    • MCP integrations with Claude, ChatGPT, and Codex

    Where it doesn't

    • Web access only
    • Starter limits usage to 400 credits and 20 document processes
    • Documented AI features do not include answer citation links
  • Sharly AI9.0/10 · Free plan · paid from $12.50/user/mo (annual)

    A collaborative web workspace for multi-document research, citations, and document comparison.

    Visit Sharly AIFull verdict →
  • pdfAssistant.ai7.7/10 · Free plan · paid from $9.99/mo

    A broad PDF workbench for recurring document operations, with AI chat and automation.

    Try pdfAssistant.aiFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026