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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.

Heuristica logo
Heuristica
✓ verifiedFreemium

An AI-powered learning platform that turns sources into concept maps, flashcards, quizzes and summaries with multi-model chat.

89K visits/mo12K saves
Sune AI logo
Sune AI
✓ verifiedFreemium

Collaborative AI workspace combining docs, sheets and integrations with AI agents, aimed at teams wanting a 'second brain'.

1.7K visits/mo
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
Plot logo
Plot
✓ verifiedPaid

AI video social-listening platform that scans social video content to surface untagged brand mentions, sentiment, and creator leads.

15K visits/mo
OrganizeChatGPT logo
OrganizeChatGPT
✓ verifiedFreemium

Chrome extension that sorts ChatGPT chats into color-coded, pinnable folders for easier reference.

2.2K visits/mo
Pricing
Basic: Free (up to 3 saved concept maps)
Professional: $7.99/mo (unlimited maps, multi-model AI, all features)
Starter: $9.95/mo (5,000 credits/mo, unlimited workspaces)
Team: 15€/user/mo billed yearly
Corporate: 20€/user/mo billed yearly

Free trial available

No public pricing

Free: $0 (single computer)
Lifetime cross-device sync: €29.95 one-time
Core features
  • Concept map builder
  • Flashcards with spaced repetition
  • AI quiz and summary generation
  • Import from PDFs, YouTube, websites, PubMed and arXiv
  • Multi-model AI chat (GPT, Claude, Gemini, Qwen)
  • Cross-format conversion and sharing
  • Real-time collaborative docs, sheets, kanban boards, and calendars
  • Integrations with Notion, Salesforce, Slack, Google, GitHub, and more
  • AI agents that perform background research and content tasks
  • Natural-language automation builder with a visual node editor
  • Cross-document AI analysis to surface latent connections
  • Centralized file storage and workspace sharing
  • 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
  • AI video analysis of audio, visuals, and captions
  • Untagged brand mention and UGC detection
  • Creator sourcing by niche, audience, and brand fit
  • Outbound comment engagement tracking
  • Competitive benchmarking across brands
  • Brand sentiment and safety monitoring
  • Organize ChatGPT conversations into folders
  • Color-code folders for visibility
  • Pin important chats to the top
  • Add multiple chats to a folder at once
  • Optional cross-device folder sync
Use cases
  • Visualizing and studying complex topics
  • Turning research sources into study materials
  • Literature review and dissertation prep
  • Building a shared knowledge base for a team's projects
  • Automating multistep workflows like report generation or email drafting
  • Using AI agents to handle background research or data analysis tasks
  • Replacing scattered documents and spreadsheets with one collaborative hub
  • Central company knowledge base
  • Customer support and IT service desk
  • Onboarding and knowledge retention
  • Market watch and user insights
  • Finding untagged user-generated content about a brand
  • Sourcing creators that match specific audience criteria
  • Measuring campaign impact across social video
  • Benchmarking a brand's social presence against competitors
  • Group ChatGPT chats by topic or project
  • Quickly find past conversations
  • Keep key chats pinned and visible
  • Access folders across multiple computers
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