Formdesk vs Formstack (2026): which should you pick?

Pick Formdesk if

• Fits if you want a yearly price and EU-based forms
• Works for people who need branching and calculations

Look elsewhere if

• Tight if you want free, as the trial runs 3 months and then stops
• Watch out: on Standard plans forms close when you reach the quota until you upgrade
• Watch out: Standard subscriptions expire after a year and are renewed by hand
• Pricey if you add modules, which cost €110 a year, and prices exclude VAT

Pick Formstack if

• Fits if you want forms, generated documents and e-signatures from one vendor
• Works for Salesforce teams who want forms inside their org, or forms that pass through several reviewers

Look elsewhere if

• Pricey if you only need forms: $83 a month billed yearly ($99 monthly) for 1 builder, 25 forms and 1,000 submissions per form
• Not for you if you want a free plan, since there's only a 14-day trial
• Skip it if you need e-signatures or document generation on a budget, as those come with Suite at $250 a month
• Watch out: HIPAA compliance is an add-on, and API access, SSO and custom SLAs are on Enterprise with no public price
• Not for you if you want a phone or desktop app, as Formstack runs on the web only

Formdesk

• There is no permanent free plan; the trial lasts 3 months and does not renew.
• Prices are in euros, excluding VAT.
• On Standard plans, forms close when a quota is reached until you upgrade; Business forms stay open.
• Standard subscriptions expire after a year and are renewed by hand; optional features cost €110 a year extra.

Formstack

• There is no free plan; the entry price is $83 per month paid annually after a 14-day trial.
• The Forms plan includes one builder user, 25 forms and 1,000 submissions per form.
• Document generation and eSignatures come with the Suite plan, not the Forms plan.
• HIPAA compliance is listed as an add-on, and SSO and custom SLAs under Enterprise.

Formdesk

Branching and calculations

Show only relevant fields with dependencies, add calculating fields and split forms across pages.

Validations

Basic and extended validations, field formatting and email verification.

File upload

Respondents can attach files, within the file space of the subscription.

Notifications

Email notification to the owner, an autoresponder to the respondent and a confirmation screen.

Results and statistics

View entries and statistics online, and download results to Excel or other formats.

Workflows and languages

Workflows for approvals and additions, and multilingual forms in the visitor's language.

Formstack

No-code form builder

Formstack Forms builds custom online forms without code and styles them with an organization's logos, colors and themes.

AI form creation

An AI-powered builder drafts a form, so users do not have to start from a blank page or add every field by hand.

Form prefill

Send prefilled links, or use SSO-powered prefill to populate information that is already known about the person completing the form.

Approvals and step logic

Group approvals, step logic and conditional routing move a submission through the people who need to review it.

Documents and Sign

The Suite plan generates documents from collected data, with 250 document deliveries a month, and includes unlimited eSignatures with no per-envelope fee.

Forms for Salesforce

A separate Salesforce-native product whose forms are built and managed inside a Salesforce org. It is sold with custom pricing.

Formdesk

• Trial€0

  for 3 months, no renewal

  25 submissions a month, 50 stored results and 5 MB of file space; forms close when a limit is reached.

• Standard Small€65

  per year, for 250 submissions a month

  Unlimited forms, 250 stored results and 25 MB of file space; optional modules cost extra.

• Standard Medium€135

  per year, for 500 submissions a month

  500 stored results and 50 MB of file space.

• Standard Large€335

  per year, for 1,000 submissions a month

  1,500 stored results and 125 MB of file space; Extra Large is €660 a year for 2,000 submissions.

• Business Bronze€1,170

  per year, for 1,000 submissions a month

  All features included, service level agreement, account manager, forms stay open past the quota; Silver is €2,345 a year.

Formstack

• Forms$83

  per month, paid annually ($99 billed monthly)

  1 builder user, 25 forms, 1,000 submissions per form and 2 GB of storage.

• Suite$250

  per month, paid annually ($299 billed monthly)

  Forms, Documents and Sign: 3 builder users, 100 forms, 5,000 submissions per form, 10 GB, 250 document deliveries a month and unlimited eSignatures.

• Salesforce SolutionsCustom

  Salesforce-native forms with document generation and eSignature, Experience Cloud integration and Salesforce Shield compatibility.

• EnterpriseCustom

  Unlimited users and submissions, SSO and advanced security, custom SLAs, API access and a dedicated Customer Success Manager.

Formdesk

No public discounts listed.

Formstack

• Annual discount

  Save 2 months with annual plans

  Forms is $83 per month paid annually versus $99 on monthly billing, and Suite is $250 versus $299. The pricing page describes the saving as 2 months.

• Nonprofit

  25% nonprofit discount

  Formstack gives 25% off to 501(c)(3) organizations and comparable registered charities abroad. Educational and governmental institutions are not eligible.