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Head-to-head · Mail Merge Software

DocuSign Gen vs Formstack Documents

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
DocuSign Gen #3 in Mail Merge Software 7.8/10 30-day trial Free trial✓ 2 of 2 features Visit DocuSign Gen
Formstack Documents #5 in Mail Merge Software 7.8/10 Paid ✓ 1 of 2 features Visit Formstack

DocuSign Gen leads on 1 check, Formstack Documents on 0, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Lowest starting priceDocuSign Gen · $20/user/mo
  • Free trialonly DocuSign Gen
  • Most featuresDocuSign Gen · 2 of 2

DocuSign Gen and Formstack Documents score identically on our rubric (7.8 out of 10) for mail merge software; DocuSign Gen sits at #3 and Formstack Documents at #5 in our editorial ranking, so the choice comes down to fit.

DocuSign Gen is cheaper to start at $20/mo against $250/mo.

DocuSign Gen is the better fit for salesforce-native document generation. Formstack Documents is the better fit for large CRM-led document operations.

  • DocuSign Gen fits best

    Salesforce-native document generation

  • Formstack Documents fits best

    Large CRM-led document operations

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Side by side

Feature DocuSign Gen 7.8/10 Visit ↗ Formstack Documents 7.8/10 Visit ↗
At a glance
Editor score 7.8 7.8
Ranking #3 in Mail Merge Software #5 in Mail Merge Software
Best for Salesforce-native document generation Large CRM-led document operations
Pricing model Paid Paid
Starting price $20/user/mo (best) $250/mo
Free plan — —
Free trial 30 days —
Deployment Cloud Cloud
Platforms Web Web
Support Docs Docs, Tickets
Integrations 1,000+ integrations 300+ integrations
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features DocuSign Gen 2/2 · Formstack Documents 1/2
Batch personalization ✓ (best) Not checked yet
API access ✓ ✓
Specs
Monthly merge limit Not checked yet Not checked yet
Data sources Salesforce customer data, product data, pricing data, standard objects, related objects, Salesforce Billing, Salesforce Subscription Management Not checked yet
Output types Microsoft Word, PDF, DocuSign documents, NDAs, MSAs, statements of work, quotes, proposals, invoices, transaction receipts, account statements Not checked yet
Delivery channels Documents Not checked yet
Our review
Pros
  • Merges Salesforce customer, product, and pricing data into templates
  • Supports conditional content, dynamic tables, and batch invoicing
  • Generates Word, PDF, DocuSign, and common business documents
  • CRM-driven generation with conditional and dynamic document content
  • Bulk routing, multi-document generation, and an open REST API
  • Word automation, e-signature integrations, and security controls
Cons
  • Its integration scope is concentrated in Salesforce products
  • The published plan costs $20 per user per month
  • There is no free plan
  • Starts at $250 per month with annual billing
  • No free plan for evaluating the product
  • Suite pricing includes Forms and Sign alongside Documents
Our verdict

DocuSign Gen generates personalized agreements and business documents from Salesforce data. It is designed for teams working in Salesforce Sales Cloud, Revenue Cloud, CPQ+, Billing, or Subscription Management that need repeatable document…

Read the review →

Formstack Documents is a no-code document-generation and delivery tool for organizations automating personalized business documents. Teams can upload or create DOCX, PPTX, PDF, and CSV templates, populate them with data from forms, CRMs,…

Read the review →
  1. DocuSign GenMail Merge Software 7.830-day trial
  2. Formstack DocumentsMail Merge Software 7.8Paid

Strengths and trade-offs

  • DocuSign Gen — where it wins

    • Merges Salesforce customer, product, and pricing data into templates
    • Supports conditional content, dynamic tables, and batch invoicing
    • Generates Word, PDF, DocuSign, and common business documents

    Where it doesn't

    • Its integration scope is concentrated in Salesforce products
    • The published plan costs $20 per user per month
    • There is no free plan

  • Formstack Documents — where it wins

    • CRM-driven generation with conditional and dynamic document content
    • Bulk routing, multi-document generation, and an open REST API
    • Word automation, e-signature integrations, and security controls

    Where it doesn't

    • Starts at $250 per month with annual billing
    • No free plan for evaluating the product
    • Suite pricing includes Forms and Sign alongside Documents

More comparisons

All mail merge software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update