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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

Readable logo
Readable
✓ verifiedPaid

Instant English-to-Japanese PDF translation preserving layout; useful focused tool.

87K visits/mo177 saves
NoteAI logo
NoteAI
✓ verifiedFreemium

An AI summarizer that turns YouTube, video, audio, PDFs and webpages into notes, transcripts, translations and mind maps.

1.3M visits/mo
MediSearch logo
MediSearch
✓ verified

Search engine giving science-based answers to medical questions.

234K visits/mo8.6K saves
elium.com logo
elium.com
✓ verifiedPaid

Enterprise AI knowledge-management platform for building a governed, searchable company knowledge hub teams actually use.

26K visits/mo
ChatPRD logo
ChatPRD
✓ verifiedFreemium

AI copilot for product managers: turns ideas into PRDs and specs, gives CPO-style feedback, and integrates with PM tools.

164K visits/mo
Pricing
Pro Standard (Yearly): 800 /month
Pro Premium (Yearly): 4,000 /month
for Business: Contact for Pricing

No public pricing

No public pricing

Team: 15€/user/mo billed yearly
Corporate: 20€/user/mo billed yearly

Free trial available

Free: $0/mo (3 limited chats)
Pro: $15/mo (unlimited docs)
Teams: $29/mo per seat (collaboration)

Free trial available

Core features
  • Instant PDF translation
  • Layout preservation
  • Side-by-side English and Japanese viewing
  • Chrome extension for one-click translation
  • Translation without DeepL subscription (optional)
  • YouTube summarization and transcripts
  • Video and audio summarization
  • PDF and webpage summarization
  • Mind map generation
  • Translation and knowledge extraction
  • Export to MP3, MP4 or structured notes
  • Direct answers to health questions
  • Answers based on trustworthy sources
  • Fast search results
  • AI-powered search and answers
  • Content approval and expiration workflows
  • Multi-language sharing with AI translation
  • Templates and rich content creation
  • Microsoft, Slack, Google Drive integrations
  • ISO 27001 security, EU hosting, GDPR
  • Generate PRDs, one-pagers and user stories from a prompt
  • CPO-level document coaching and gap analysis
  • Custom templates matched to team standards
  • Integrations: Linear, Notion, Slack, Confluence, GitHub
  • Shared team workspaces and personas
  • Export to Notion, Confluence, Google Docs
Use cases
  • Translating English research papers into Japanese
  • Translating technical specifications from English to Japanese
  • Quickly understanding English documents in Japanese
  • Summarizing YouTube lectures for study
  • Extracting notes from PDFs and articles
  • Turning long content into mind maps
  • Finding quick and accurate answers to medical questions.
  • Central company knowledge base
  • Customer support and IT service desk
  • Onboarding and knowledge retention
  • Market watch and user insights
  • Draft product requirement docs fast
  • Get expert feedback on specs
  • Standardize docs across a product team
  • Turn PRDs into tickets and prototypes
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