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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.
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ComPDF
✓ verifiedFreemium
Cross-platform PDF SDK and cloud API for viewing, editing, converting and AI-processing documents in apps.
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Base44
✓ verifiedFreemium
No-code AI platform that builds full-stack apps, websites and agents from plain-language prompts with hosting built in.
18M visits/mo
Pricing
No public pricing
Free trial available
Free: $0
Starter: $16/mo
Builder: $40/mo
Pro: $80/mo
Elite: $160/mo
Core features
- ✦PDF viewer and editor SDKs
- ✦Multi-platform support (web, server, desktop, mobile)
- ✦Cloud open API and self-hosted deployment
- ✦PDF conversion and generation
- ✦Forms, security and redaction
- ✦AI document parsing and extraction
- ✦Prompt-to-app full-stack generation
- ✦Built-in backend, database and auth
- ✦One-click integrations (Slack, Notion, HubSpot, etc.)
- ✦Instant hosting and custom domains
- ✦Superagents for automated workflows
- ✦GitHub sync and code export
Use cases
- →Embed PDF viewing/editing into apps
- →Automate document conversion via API
- →Extract data from documents with AI
- →Building internal tools and dashboards
- →Launching websites and landing pages
- →Creating customer portals and CRMs
- →Deploying AI agents that automate tasks
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