FormAssembly vs. Formstack

FormAssembly vs. Formstack
The main difference between FormAssembly and Formstack lies in their emphasis and features. FormAssembly is known for its data collection capabilities, extensive integrations, and form logic. Formstack is known for its user-friendly interface, simplicity, and efficient form drag-and-drop builder.

Comparing FormAssembly vs. Formstack 

 Form InterfaceIntegrationsTemplatesPayment Support
FormAssemblyComplexYesSalesforcePayPal, Stripe, Authorize.Net, Chargent
FormstackSimpleYesSalesforcePayPal, Stripe, Authorize.Net

User-Friendly Interface

Alternative to Formstack FormAssembly provides a user-friendly drag-and-drop form builder, enabling team members to create diverse use cases. It necessitates integration and external data mapping to link with Salesforce. The setup is considered somewhat intricate, especially for basic forms. However, it excels in handling complex forms, providing extensive options for writing back to Salesforce objects or retrieving them.

On the other hand, Formstack offers a sleek, modern user interface that remains ad-free across all plans. It supports teams of various sizes and eliminates the need for implementation services. It’s ideal for small businesses and enterprises due to its user-friendly setup, particularly for simple forms. Formstack enables the pre-population of forms and seamlessly connects to any Salesforce standard or custom object.


Formstack alternative FormAssembly’s Theme Editor lets users create branded forms with custom themes, colors, fonts, and company logos. It enables customizable web forms and user management, allowing administrators to define roles, permissions, and themes for additional users.

Contrastingly, Formstack’s Theme Editor enables branding forms without CSS or custom code, allowing for custom themes and image/logo inclusion. Forms come with a default Formstack referral badge at the bottom, removable based on the user’s Formstack plan.


FormAssembly presents a template library featuring over 100 customizable form templates. It includes a versatile Theme Editor, enabling users to personalize form colors and fonts to create their own themes. The platform supports custom themes and form templates, streamlining the form creation process.

Formassembly alternative Formstack prioritizes customization, letting users begin with a blank canvas to build forms from scratch. Although no pre-made templates, Formstack empowers users who favor a more tailored and design-centric approach with its powerful tools.

Conditional Logic

FormAssembly enables users to streamline forms with conditional logic, simplifying navigation. It includes conditional fields, which remain hidden by default and become visible based on the respondent’s input. Extensive use, especially with similar features, may impact performance, but there are no specific usage limits for conditional logic.

Contrastingly, Formstack offers non-coders a convenient way to create intricate forms with its conditional settings. Ideal for users seeking to build and integrate forms with Salesforce without extensive technical expertise. Provides an ad-free, user-friendly interface across all plans, catering to individuals with diverse technical expertise.


FormAssembly boasts a robust and reliable Salesforce integration, albeit necessitating external data mapping and integration. It offers diverse connectors, integrations, and respondent authentication options like LDAP, CAS, and SAML, seamlessly working with Salesforce. 

Conversely, Formstack simplifies direct data capture in Salesforce with a native experience, eliminating the need for extra connectors or mapping. It features a clean, ad-free interface across all plans, ensuring user-friendliness for individuals with diverse technical expertise. It supports teams of all sizes without requiring additional services, allowing users to start using Formstack worry-free.

Payment Support

FormAssembly provides diverse payment integrations like PayPal, Stripe, Authorize.Net, and a Chargent Connector for Salesforce. This integration also enables the immediate recording of all payment data in the user’s Salesforce account. Users need FormAssembly’s Premier Plan or Payment Connector Add-on and a valid account with their chosen payment gateway for payments.

Formstack supports online payment processing, enabling users to create forms with payment fields for collecting payments from respondents. Users can set prices, and quantities, include discounts, and choose from various payment processors, such as PayPal, Stripe, and Authorize.Net. Formstack’s payment processing feature adheres to strict security standards, ensuring the secure collection of online payments.

FormAssembly vs. Formstack

Fill: The Best Alternative To FormAssembly

Fill emerges as a formidable alternative to established platforms like FormAssembly and Formstack. Fill stands out as the best alternative, offering a fresh and innovative approach to form creation and data management.

One of Fill’s standout features is its intuitive drag-and-drop interface. The simplicity of the design process ensures a seamless form-building experience. Fill boasts an extensive library of customizable templates designed for various purposes, from simple contact forms to complex surveys.

Fill seamlessly integrates with various third-party applications and services, enhancing the overall functionality of forms.

Andria Pacina

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