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Head-to-head · PDF Form Software

Fillable vs PDF Studio

  • Updated Sep 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score Fillable #2 in PDF Form Software 9.0/10 Free plan · paid from $9/mo Free plan✓ 6 of 6 features Visit Fillable
PDF Studio #3 in PDF Form Software 8.2/10 From $149 ✓ 5 of 6 features Visit PDF Studio

Fillable leads on 2 checks, PDF Studio on 0, and 5 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreFillable · 9.0/10
  • Free planonly Fillable
  • Most featuresFillable · 6 of 6

Fillable scores higher on our rubric for pdf form software: 9.0 against 8.2 out of 10; our editors rank them #2 and #3.

Fillable offers free plan; PDF Studio doesn't. Fillable offers api access; PDF Studio doesn't publish it.

Fillable is the better fit for teams needing conditional forms and an API. PDF Studio is the better fit for desktop users needing advanced form logic.

  • Fillable fits best

    Teams needing conditional forms and an API

  • PDF Studio fits best

    Desktop users needing advanced form logic

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature Fillable 9.0/10 Visit ↗ PDF Studio 8.2/10 Visit ↗
At a glance
Editor score 9.0 8.2
Ranking #2 in PDF Form Software #3 in PDF Form Software
Best for Teams needing conditional forms and an API Desktop users needing advanced form logic
Pricing model Free plan + paid Paid
Starting price Not published Not published
Free plan ✓ (best) —
Free trial — —
Deployment Cloud Desktop
Platforms Web Windows, macOS, Linux
Support Email, Docs Email, Tickets, Docs
Built for Solo, Small business, Mid-market Solo, Small business, Mid-market, Enterprise
Features Fillable 6/6 · PDF Studio 5/6
Import existing PDFs ✓ ✓
Field validation ✓ ✓
Conditional logic ✓ ✓
API access ✓ (best) Not published
Bulk PDF processing ✓ ✓
Signature fields ✓ ✓
Specs
Data export PDF, JSON FDF, XFDF, XDP, PDF, HTML
Our review
Pros
  • Conditional rules and required-document logic guide complex forms.
  • REST API supports PDF filling and JSON data extraction.
  • Free access plus low-cost Pro with OCR and unlimited conversions.
  • JavaScript calculations, actions, validation, and field rules
  • Import and export form data in FDF, XFDF, XDP, PDF, and HTML
  • Batch processing, signature fields, OCR, and PDF conversion
Cons
  • The Free plan limits conversions to a few per day.
  • Free exports include a small footer.
  • Team and API capabilities require separate paid tiers.
  • No free plan is offered
  • The listed plan is desktop-focused for Windows, macOS, and Linux
  • The starting license is limited to 1 user on 2 computers
Our verdict

Fillable is a web-based PDF workflow product for individuals, firms, and small teams handling client paperwork. It supports creating fillable fields in static PDFs, filling, merging, splitting, compressing, and converting documents, plus…

Read the review →

PDF Studio is a desktop PDF editor from Qoppa Software for Windows, macOS, and Linux. It is designed for people who need to create or edit interactive PDF forms alongside broader document work, including annotation, OCR, conversion,…

Read the review →
  1. FillablePDF Form Software 9.0Free plan · paid from $9/mo
  2. PDF StudioPDF Form Software 8.2From $149

Strengths and trade-offs

  • Fillable — where it wins

    • Conditional rules and required-document logic guide complex forms.
    • REST API supports PDF filling and JSON data extraction.
    • Free access plus low-cost Pro with OCR and unlimited conversions.

    Where it doesn't

    • The Free plan limits conversions to a few per day.
    • Free exports include a small footer.
    • Team and API capabilities require separate paid tiers.
  • PDF Studio — where it wins

    • JavaScript calculations, actions, validation, and field rules
    • Import and export form data in FDF, XFDF, XDP, PDF, and HTML
    • Batch processing, signature fields, OCR, and PDF conversion

    Where it doesn't

    • No free plan is offered
    • The listed plan is desktop-focused for Windows, macOS, and Linux
    • The starting license is limited to 1 user on 2 computers
  • Fillable9.0/10 · Free plan · paid from $9/mo

    A practical PDF workflow tool for conditional forms, signatures, OCR, and API automation.

    Visit FillableFull verdict →
  • PDF Studio8.2/10 · From $149

    A one-time-license PDF editor for advanced forms across Windows, macOS, and Linux.

    Visit PDF StudioFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update