Custom Form Builder by Websyms vs FastGrowth Forms
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for Custom Form Builder by Websyms, Oct 14, 2026 for FastGrowth Forms.
The short answer
- On the Shopify App Store: Custom Form Builder by Websyms 4.4 from 19 reviews and FastGrowth Forms 4.5 from 5 reviews.
- Only FastGrowth Forms lists a free plan. Paid plans start at $3.99/month for Custom Form Builder by Websyms and $9.90/month for FastGrowth Forms.
- Custom Form Builder by Websyms lists 23 features FastGrowth Forms’s listing doesn’t mention, including Applications, Bookings, CAPTCHA.
Head to head
Custom Form Builder, Contact Form, Donation Form, Registration
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Basic Version
- · 100 MB Space
- · Auto Responder
- · Google Analytics
- · Mailchimp Integration
- · Stripe, Paypal Payment
- · Unlimited Form Submission
Standard Version
- · 1 GB Space
- · Auto Responder
- · Google Analytics
- · Mailchimp Integration
- · Stripe, Paypal Payment
- · Unlimited Form Submission
Pro Version
- · 5 GB Space
- · Auto Responder
- · Google Analytics
- · Mailchimp Integration
- · Stripe, Paypal Payment
- · Unlimited Form Submission
Premium Version
- · 10 GB Space
- · Auto Responder
- · Google Analytics
- · Mailchimp Integration
- · Stripe, Paypal Payment
- · Unlimited Form Submission
Free
- · 50 submissions per month limited
- · Data Viewing
- · Email Reminder
- · Unlimited forms
- · reCAPTCHA
Premium
- · All in Free +
- · Data Export
- · Free for 1000 submissions per month
- · Integrate with Klaviyo, MailChimp, Shopify
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every feature* Fully Customize the fields and the look and feel * Can store form submissions in App or email or both. * Setup email recipients for form submissions * Set optional Auto-Responders for all of your forms * Mobile responsive. * Enable Captcha to prevent fraudulent form submissions. * Use SMTP to send all emails. * Mailchimp Integration * Accept Payments with Stripe and PayPal.
Easily customize forms, effortlessly manage user submissions, seamlessly integrate with Klaviyo, MailChimp, and receive instant notifications. Explore popups and inline forms with diverse field types and styles. Now, effortlessly drag and drop to create your form – perfect for subscriptions, contact form or survey form!
- Fully Customize the fields and the look and feel
- Can store form submissions in App or email or both.
- Setup email recipients for form submissions
- Set optional Auto-Responders for all of your forms
- Easily create forms by dragging and dropping elements.
- Flexible customization styles to match your themes.
- Integrate with Klaviyo, MailChimp, Shopify.
- Email Reminder
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Custom Form Builder by Websyms |  FastGrowth Forms |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Custom Form Builder by Websyms | FastGrowth Forms |
|---|---|---|
| App Store rating | 4.4 ★ | 4.5 ★(ahead) |
| App Store reviews | 19(ahead) | 5 |
| New reviews, 28 days | 0 | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Custom Form Builder by Websyms | FastGrowth Forms |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $3.99/month(ahead) | $9.90/month |
| Longest free trial | 7 days | Not listed |
| Plans listed | 4 | 2 |
Listing
| Measure | Custom Form Builder by Websyms | FastGrowth Forms |
|---|---|---|
| Shopify category rank | #99 | #66(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Oct 18, 2018 | Jan 29, 2024 |
| Languages | 1 | 1 |
| Developer | Websyms IT Solutions | Fastlane |
FAQ
Custom Form Builder by Websyms and FastGrowth Forms: common questions
- Is Custom Form Builder by Websyms or FastGrowth Forms cheaper?
- Only FastGrowth Forms lists a free plan. Paid plans start at $3.99/month for Custom Form Builder by Websyms and $9.90/month for FastGrowth Forms. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Custom Form Builder by Websyms or FastGrowth Forms?
- On the Shopify App Store: Custom Form Builder by Websyms 4.4 from 19 reviews and FastGrowth Forms 4.5 from 5 reviews.
- What features does each app list that the other doesn’t?
- Custom Form Builder by Websyms lists 23 the others don’t mention, such as Applications, Bookings, CAPTCHA, Contacts. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 13, 2026 for Custom Form Builder by Websyms, Oct 14, 2026 for FastGrowth Forms; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 13, 2026 for Custom Form Builder by Websyms, Oct 14, 2026 for FastGrowth Forms. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.