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Forminit VS Mainstack.co

Compare Forminit VS Mainstack.co and see what are their differences

Forminit

The complete headless backend API for your </form>

Rating
0 reviews
Pricing
Freemium Free trial
Alternatives Is it good?
Mainstack.co

Mainstack enables entrepreneurs with commerce and global payment solutions to showcase and get paid for their work and services, grow revenue, and manage customers - all in one place.

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Rating
0 reviews
Alternatives Is it good?
Papertools.app
Accounting and invoicing software for small businesses. Manage invoices, bills, expenses, payroll and reports, with plain-language tools and proper double-entry bookkeeping underneath. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Forminit seems to be more popular. It has been mentioned 15 times since March 2021.

social mentions
15 vs 0
Form Builder popularity
100% vs 0%

Base details

Website, pricing, platforms and company facts side by side.

Forminit
Mainstack.co
Website forminit.com mainstack.com
Pricing
Freemium Free trial Official pricing
—
Platforms
JavaScript iOS Android Python Java Node JS ReactJS React Native +5
—
Company Startup from the United Kingdom · 1 - 9 employees · 2015 —
Listed in
Surveys Form Builder Forms And Surveys JAMstack Serverless Frameworks Static Site Generators +3
Payments Recurring Subscription Billing Subscription Management Invoicing Storefront Link In Bio +3

About Forminit and Mainstack.co

In their own words, as submitted to SaaSHub.

Forminit
Mainstack.co

Forminit (formerly Getform.io) is a powerful headless form backend that handles form submissions, file uploads, email notifications, webhooks, and integrations. Perfect for developers who want full control over their form UI.

Read more about Forminit

No description of Mainstack.co yet.

Features and specs

What each product offers, as listed by its team.

Forminit 5 features
Mainstack.co 5 features
  • Easy Integration
    Forminit offers straightforward integration with minimal code changes, making it easy to implement with any existing website or project.
  • Form Management
    It provides comprehensive form management features, including submission storage, email notifications, and data export options.
  • Spam Protection
    Built-in spam protection mechanisms, such as reCAPTCHA integration, help to reduce the amount of spam submissions.
  • API Access
    Forminit offers an API for more advanced operations and integrations, giving developers more control over form data and interactions.
  • Real-time Notifications
    Real-time email notifications ensure that you are promptly informed about new form submissions, improving response times.
  • All-in-One Platform
    Mainstack combines multiple business tools into a single platform, including link-in-bio pages, digital storefronts, payment processing, and booking — reducing the need for multiple subscriptions and integrations.
  • Easy Storefront & Digital Product Sales
    Users can quickly set up digital storefronts to sell products, services, courses, and digital downloads without needing technical expertise or a separate e-commerce platform.
  • Built-in Payment Processing
    Mainstack offers integrated payment solutions that support multiple currencies and payment methods, making it easy for creators and businesses to receive payments globally.
  • Creator-Focused Design
    The platform is tailored for creators, freelancers, and small businesses, offering tools like customizable link-in-bio pages, portfolio showcases, and booking features that cater specifically to their needs.
  • No-Code Setup
    Mainstack requires no coding knowledge to get started. Users can build professional-looking pages, storefronts, and booking systems using intuitive drag-and-drop or form-based interfaces.

Possible disadvantages

  • Limited Brand Recognition
    Compared to established competitors like Gumroad, Shopify, or Linktree, Mainstack is less well-known, which may cause potential users to hesitate due to concerns about reliability and longevity.
  • Feature Depth May Be Limited
    While Mainstack offers many tools in one place, each individual feature may lack the depth and advanced functionality found in dedicated single-purpose platforms like Calendly for bookings or Shopify for e-commerce.
  • Limited Third-Party Integrations
    Mainstack may not offer as many integrations with popular third-party tools (e.g., email marketing platforms, CRMs, analytics tools) compared to more established competitors.
  • Smaller Community & Support Resources
    As a relatively newer platform, Mainstack has a smaller user community, which means fewer tutorials, forums, and peer-generated resources available for troubleshooting and learning.
  • Scalability Concerns
    While suitable for individual creators and small businesses, Mainstack may not offer the robust infrastructure and advanced features needed by larger businesses or those experiencing rapid growth.

Analysis

An editorial look at what each product does well and who it suits.

Forminit
Mainstack.co

Overall verdict

  • Yes, Getform is a good solution for users looking for an easy and efficient way to handle form submissions, especially for static sites.

Why this product is good

  • Getform is considered a good option for handling form submissions because it simplifies the process of capturing and managing form data without requiring a backend server. It integrates easily with static sites and offers features like file uploads, spam protection, and third-party integrations, which makes it attractive for developers looking to streamline workflows.

Recommended for

  • Developers building static websites
  • Businesses looking to streamline contact form management
  • Teams that need integration with third-party tools like Zapier or Slack
  • Web projects that require a backend-agnostic form submission solution

Overall verdict

  • Mainstack is a solid all-in-one platform for creators, freelancers, and digital entrepreneurs in Africa (and beyond) who want to sell digital products, accept payments, and manage their online presence without needing separate tools for each function.

Why this product is good

  • Combines multiple tools (storefront, invoicing, payment links, link-in-bio) into a single dashboard, reducing the need for multiple subscriptions
  • Built with African creators and businesses in mind, supporting local payment methods and currencies which many global platforms lack
  • Simple, user-friendly interface that doesn't require technical or design skills to set up a professional-looking store or page
  • Supports selling digital products, services, and even physical goods with integrated payment collection
  • Offers analytics and customer management features to help creators track sales and grow their audience
  • Relatively low fees compared to piecing together multiple Western-centric SaaS tools that may not support local payments well

Recommended for

  • African creators, coaches, and freelancers looking to monetize digital products or services
  • Solopreneurs who want an easy way to accept payments locally and internationally without complex setup
  • Content creators needing a simple link-in-bio and storefront solution combined
  • Small business owners who want to send invoices and collect payments in one place
  • Individuals just starting out online who don't want to invest in multiple separate platforms (e.g., Shopify + Stripe + Linktree)

Videos

Walkthroughs and reviews on video.

Forminit 1 video + Add
Mainstack.co 0 videos + Add

How to Collect Form Submissions From Static Websites Without Backend

No Mainstack.co videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Forminit
Mainstack.co
100% 100%
Form Builder
0% 0%
0% 0%
Link In Bio
100% 100%
100% 100%
Forms And Surveys
0% 0%
0% 0%
Recurring Subscription Billing
100% 100%

Questions & Answers

As answered by people managing Forminit and Mainstack.co.

What makes your product unique?

Forminit's answer

Forminit is a headless form backend API built for developers, agencies, and modern no-code/AI workflows that want full control over form design without maintaining backend infrastructure. Unlike traditional form builders, it works with any framework, static site, backend, mobile app, or AI agent, while handling submissions, validation, spam protection, file uploads, analytics, email notifications, webhooks, and storage in one platform. Its standout differentiators include typed server-side validation, a lightweight SDK with automatic UTM attribution tracking, public + protected API modes, built-in proxy helpers for frameworks like Next.js/Nuxt, and GDPR-friendly EU hosting. Formerly known as Getform.io, it has powered forms since 2015.

Why should a person choose your product over its competitors?

Forminit's answer

Forminit wins on security, flexibility, and completeness. Unlike FormSubmit, your email is never exposed in HTML source. Unlike EmailJS, you get real submission storage, a dashboard, REST API, and webhooks. Unlike Netlify Forms, you are not locked to one host and get 25 MB uploads instead of 10 MB. Unlike Formspree, you get true API key authentication, protected mode, typed validation, and a 2 KB SDK with auto UTM capture.

How would you describe the primary audience of your product?

Forminit's answer

The primary audience of Forminit includes developers, freelancers, agencies, SaaS teams, startups, indie hackers, AI/vibe coders, and no-code builders who need reliable form handling without building backend infrastructure. It is particularly valuable for teams using frameworks such as React, Next.js, Nuxt, Astro, or static websites, as well as businesses running marketing, lead generation, contact, booking, onboarding, or file upload forms that require analytics, integrations, and secure submission storage.

What's the story behind your product?

Forminit's answer

Forminit started in 2015 as Getform.io with a simple goal: remove the pain of building and maintaining form backends. Instead of forcing teams to create servers, databases, email systems, spam protection, dashboards, and integrations for every contact form, Forminit lets users build forms in any frontend while the platform manages everything after submission. In January 2026, Getform.io rebranded to Forminit, continuing the same service with a broader vision around developer workflows, APIs, automation, and AI-compatible integrations. The product is operated by UK-based UXPLUS LTD and stores data in EU infrastructure for GDPR compliance.

Which are the primary technologies used for building your product?

Forminit's answer

Forminit is built around a headless API architecture with a REST API, a lightweight TypeScript/JavaScript SDK, server-side validation, webhooks, SMTP integrations, and cloud-based storage infrastructure. It provides native workflows and SDK support for ecosystems such as JavaScript/TypeScript, React, Next.js, Nuxt.js, Node.js, Python (Flask, Django, FastAPI), HTML/static sites, and modern frontend frameworks. Data is hosted on AWS infrastructure in Ireland (EU) to support GDPR compliance.

Who are some of the biggest customers of your product?

Forminit's answer

Burger King Volkswagen Toyota Lidl Codecademy Sticker Mule University of Essex Section

User comments

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Forminit 15 mentions
Mainstack.co 0 mentions
  • The Best Form Backend Services in 2026
    Forminit (formerly Getform.io) is a headless form backend built around a block-based data model. Rather than dumping everything into flat key-value pairs, each field is a typed block (text, email, phone, URL, date, rating, file, country)... - Source: dev.to / 5 months ago
  • Sending files from form submission to webhook?
    I built a form-to-email service like Formspree or Getform. My API accepts form submissions from the client, parses the request with formidable, and then sends the fields via email to the user. Any files submitted with the form are sent... Source: about 3 years ago
  • Building Your Own Platform: The Importance of Having a Personal Website
    By following these guidelines, you can create an effective and user-friendly contact form that helps you connect with potential employers and others. There are several options for setting up a contact form, including using a service like... - Source: dev.to / over 3 years ago

View more

Tracking Mainstack.co since Nov 2024.

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