Compare PDF Expert and datasite on pricing, features, platforms, and ratings — both Documents & E-signature tools, Freemium vs Datasite does not publish…
At a Glance
PDF Expert
datasite
Primary category
Documents & E-signature
Documents & E-signature
Rating
Not documented
Not documented
Pricing model
Freemium
Datasite does not publish pricing publicly; pricing is quote-based depending on deal size and product mix, with a free 90-day trial available on request.
Starting price
Free (view/basic annotate); Premium from EUR 5.99/week or EUR 84.99/year; Lifetime EUR 149.99 (Mac only)
Not documented
Free plan
Yes
Not documented
Free trial
Yes
Not documented
Platforms
iOS, Mac
Web, Mobile App
Team collaboration
Not documented
Not documented
AI features
Not documented
Yes
Public API
Not documented
Not documented
Pricing Compared
Starting price reflects the lowest paid tier, not the full cost for every team size or usage level.
Native, well-designed apps for Mac, iPad, and iPhone
One-time Lifetime purchase option (Mac) as an alternative to subscription
AI-powered PDF Copilot assistant built in
Fast performance and Apple Pencil support on iPad
Strong OCR and form-filling tools
Cons
Lifetime license is limited to the Mac version only
Weekly and annual subscription pricing can be costly compared to some competitors
No native Windows or Android app, with a Mac/iOS/iPadOS focus
Some advanced features are gated behind the Premium subscription
datasite
Pros
Purpose-built data rooms for both sell-side (Diligence) and buy-side (Acquire) M&A workflows
AI features such as Blueflame AI's bulk Q&A with source citations and MCP integration with Claude, ChatGPT, and Microsoft Copilot speed up document review
Extensive security certifications (ISO 27001/27017/27018/27701/42001, SOC 2 Type II) suit regulated deal environments
24/7/365 multilingual support (Datasite Assist) with dedicated project professionals
Cons
Pricing isn't published — prospects must contact sales or start a trial to get a quote
Built for enterprise-scale M&A deal teams, so it may be costly or excessive for smaller, one-off transactions
Wide product suite (Diligence, Acquire, Prepare, Outreach, Pipeline, Archive, Sherpany, Grata, Blueflame AI) can add a learning curve for new users
Use Cases
PDF Expert
Mac and iPad document editing for professionals — Professionals use PDF Expert to annotate, edit, and sign contracts and reports natively on Mac and iPad.
Student note-taking and study — Students annotate lecture slides and textbooks with Apple Pencil support on iPad.
Digitizing and organizing scanned paperwork — Users scan paper documents, run OCR to make them searchable, and organize them into folders.