How Site123 vs. Forms.app vs. Instapage stack up against each other

Compare Instapage with Site123 and Forms.app to create high-converting landing pages. With personalization, optimization, and collaboration tools, Instapage helps you deliver experiences that drive results.

Get started
1200+ reviews from
Hello fresh
Honey
Zendesk
Vimeo
Garthner
Master class

See how Instapage stacks up against
the competition

Features that set us apart from Site123 and Forms.app.
Feature Instapage Other builders
Drag-and-Drop Tools
Conversion-optimized templates
Manual and AI-powered A/B Tests
AI content suggestions
Popups and sticky bars
Canvas and grid blocks
Reusable and global elements
Form and popup builders
Built-in Heatmaps
Central analytics dashboard
Ad-to-page personalization and collections
Contacts, lists, and email
Dedicated, full-service CRO experts
Enterprise-ready platform

Leading the way in building high-performing landing pages

Grid Leader - Summer 2025
Best Est. ROI Enterprise - Summer 2025
Most Implementable Enterprise - Summer 2025
Fastest Implementation Enterprise - Summer 2025
High Performer - Summer 2025
Swytch shifts into high gear with Instapage

Vita escalate lead generation efforts and client engagement with Instapage

Vita is a full-spectrum professional brokerage firm in the employee benefits industry

Swytch shifts into high gear with Instapage

CFI Financial Group invests in personalization with Instapage

CFI Financial Group integrates Instapage into their technology stack and dramatically increases page conversions

Swytch shifts into high gear with Instapage

Netradyne drives higher results with Instapage

Netradyne’s products have multiple use cases, like improving fleet efficiency, and training drivers to follow safe driving practices, and securing legal exoneration.

Review platform 1
4.3/5
472+ real reviews
Review platform 2
4.5/5
363+ real reviews
Review platform 3
4.5/5
363+ real reviews
Review platform 4
7.7/10
56+ real reviews

Why Instapage is the smarter choice for your campaigns

Get everything you need to build, scale, and optimize high-converting landing pages—without coding.

Instapage offers a flexible and seamless page creation experience with a library of 500+ conversion-focused layouts, Instablocks®, a drag-and-drop builder, and AI content generation. With technologies like Thor Render Engine®, you can create on-brand, mobile-responsive landing pages that load quickly and start converting during initial visitor clicks.

Easier page building without coding

Instapage offers a flexible and seamless page creation experience with a library of 500+ conversion-focused layouts, Instablocks®, a drag-and-drop builder, and AI content generation. With technologies like Thor Render Engine®, you can create on-brand, mobile-responsive landing pages that load quickly and start converting during initial visitor clicks.

Instapage lets you see in detail how each landing page experience and variation is performing so you can make targeted changes that boost page conversions. Use heatmaps for a better understanding of on-page activities, run A/B tests and AI-assisted experiments, and then track and evaluate results within robust analytics dashboards.

More insights — better results

Instapage lets you see in detail how each landing page experience and variation is performing so you can make targeted changes that boost page conversions. Use heatmaps for a better understanding of on-page activities, run A/B tests and AI-assisted experiments, and then track and evaluate results within robust analytics dashboards.

Instapage lets you quickly create high-performing landing pages tailored to each of your ad campaigns. Deliver personalized experiences for distinct audiences using dynamic text replacement. Effortlessly align specific advertisements to unique pages with AdMaps. Monitor audience-level metrics using our advanced data tools.

More personalized experiences

Instapage lets you quickly create high-performing landing pages tailored to each of your ad campaigns. Deliver personalized experiences for distinct audiences using dynamic text replacement. Effortlessly align specific advertisements to unique pages with AdMaps. Monitor audience-level metrics using our advanced data tools.

Instapage collaboration capabilities bring your entire team together to speed up the process of landing page review, approval, and launch. No more frustrating and unnecessary revisions or edits scattered across emails. Provide instant feedback, conduct real-time page edits, and securely share your pages with outside stakeholders.

Built-in collaboration

Instapage collaboration capabilities bring your entire team together to speed up the process of landing page review, approval, and launch. No more frustrating and unnecessary revisions or edits scattered across emails. Provide instant feedback, conduct real-time page edits, and securely share your pages with outside stakeholders.

Invest time into business growth, not busy work. Launch landing pages faster with reusable forms and templates. Build once, reuse forever.

Free up time for your business

Invest time into business growth, not busy work. Launch landing pages faster with reusable forms and templates. Build once, reuse forever.

Explore all integrations
Easier page building without coding
More insights — better results More insights — better results sidebar
More personalized experiences More personalized experiences sidebar
Built-in collaboration
Free up time for your business

Easier page building without coding

Instapage offers a flexible and seamless page creation experience with a library of 500+ conversion-focused layouts, Instablocks®, a drag-and-drop builder, and AI content generation. With technologies like Thor Render Engine®, you can create on-brand, mobile-responsive landing pages that load quickly and start converting during initial visitor clicks.

More insights — better results

Instapage lets you see in detail how each landing page experience and variation is performing so you can make targeted changes that boost page conversions. Use heatmaps for a better understanding of on-page activities, run A/B tests and AI-assisted experiments, and then track and evaluate results within robust analytics dashboards.

More personalized experiences

Instapage lets you quickly create high-performing landing pages tailored to each of your ad campaigns. Deliver personalized experiences for distinct audiences using dynamic text replacement. Effortlessly align specific advertisements to unique pages with AdMaps. Monitor audience-level metrics using our advanced data tools.

Built-in collaboration

Instapage collaboration capabilities bring your entire team together to speed up the process of landing page review, approval, and launch. No more frustrating and unnecessary revisions or edits scattered across emails. Provide instant feedback, conduct real-time page edits, and securely share your pages with outside stakeholders.

Free up time for your business

Invest time into business growth, not busy work. Launch landing pages faster with reusable forms and templates. Build once, reuse forever.

Explore all integrations
“Instapage gives us the ability to tailor our landing page content and layout to tell a unique story for each geographical target. The platform also enables us to create different variations with content that performs well for each unique channel. Every marketing team needs this!”
User review
Tamar Friedland, Sr. Director of Global Paid Marketing
"Instapage has truly maximized our digital advertising performance by enabling us to offer matching, personalized experiences for every ad and audience. Now we can scale our landing page experiences as efficiently and effectively as we scale the ads themselves."
User review
Darren Lepke, Marketing Director
"If we have to wait on a developer, our creative velocity plummets. But Instapage has made it possible for us to exponentially grow our advertising programs and convert more customers"
User review
Alex Kracov, Head of Marketing

Get started with Instapage in a few steps

  1. Create your Instapage account

    Start with Instapage by signing up via Google or your email. You'll get access to a free 14-day trial to discover Instapage capabilities. Feel free to cancel anytime during the 14-day trial if you decide that our product is not suitable for your business.
  2. Build and personalize your page

    Create your first landing page from scratch or choose a template from 500+ customizable layouts. Use the drag-and-drop builder to add page elements, fonts, and backgrounds, refine content with AI, or add custom HTML, Javascript, and CSS.
  3. Review and make edits

    Collaborate on page designs and streamline review processes. Invite your team members and stakeholders to review, edit, and provide feedback on your landing page. Collaborate knowing your page is confidential and only accessible to authorized users.
  4. Publish and track page performance

    Publish your page to a domain or custom URL. Connect your pages to the ads you've created and track page performance within the analytics dashboard, run A/B tests and AI experiments, analyze results, and continuously optimize your landing page to maintain high conversions.

Instapage vs. Site123 vs. Forms.app – The Ultimate Showdown

Imagine choosing a landing page builder as similar to assembling a team of superheroes for your marketing initiatives. You want the best strengths, skills, and abilities to maximize your success. In this article, we'll dive into a friendly yet comprehensive comparison of three popular platforms: Instapage, Site123, and Forms.app. Each competitor brings its unique features and approaches to the table, ultimately helping marketers create effective landing page experiences. Through this exploration, we'll highlight how Instapage empowers marketers to reduce costs, grow conversions, and deliver relevant landing page experiences that build brand trust, customer loyalty, and optimize conversion rates. Let's make this an informative yet enjoyable ride as we explore which of these platforms could be your next marketing sidekick.

Introducing the Contenders

In our digital arena, we have three combatants: Instapage, Site123, and Forms.app. Instapage shines as a standout player among landing page builders, known for its powerful features that significantly enhance conversion rates. Site123 positions itself as a user-friendly platform, ideal for beginners looking to create functional landing pages without the fuss. Lastly, Forms.app is emerging as a competitive contender, providing unique tools tailored for form-focused landing pages. Each tool has carved out its niche in the marketing landscape, but which one truly serves marketers best? Let's investigate.

Round One - Feature Exploration

Template Variety and User Friendliness

When it comes to template variety, Site123 impressively offers a variety of pre-designed templates catering to numerous industries, making it an appealing choice for those needing to get started quickly. Its interface is simple and easy to navigate, enabling new marketers to create pages seamlessly. Forms.app also emphasizes user-friendly design with templates that focus primarily on form integration, great for brands looking to gather user data efficiently. However, it can fall short compared to Instapage, which provides an extensive library of highly customizable templates and advanced design options. Everything about Instapage feels tailored to optimize conversion, allowing you to blend visual appeal with functional design easily. While Site123 and Forms.app certainly have their strengths, they simply don’t match the flexibility and richness in feature sets that Instapage brings to the table.

Instapage: Your Partner in Customization and Conversion

Instapage isn’t just a platform; it’s a strategic partner for marketers aiming for top-tier conversion rates. With its unmatched customization capabilities, you’re not limited to generic designs. You can create landing pages that capture your brand's essence and resonate with your audience. The platform offers advanced A/B testing features that allow you to test variations and optimize performance, ensuring you're always improving your campaigns. From customizable elements to detailed analytics, Instapage sets itself apart as a leader equipped to meet the demands of savvy marketers looking to enhance their conversion strategies.

Round Two - Speed and Performance

Speed is critical in today's digital experience; it's akin to ordering coffee but ending up waiting behind a long line – frustrating and defeats the purpose. As loading times lengthen, users are more likely to bounce, causing potential conversions to slip away. For landing page builders, performance is non-negotiable, and the competition heats up here.

Instapage's Speed Advantages:

  1. Optimized servers that ensure fast loading times.
  2. Adaptive image compression technology.
  3. Content delivery network (CDN) to reduce latency.
  4. Efficient code structure minimizing resource consumption.

Site123's Speed Advantages:

  1. Quick setup process for immediate page deployment.
  2. Auto-optimized images for faster loading.
  3. Minimalist design options that reduce load times.

Forms.app's Speed Advantages:

  1. Integrated optimization features to ensure fast loading.
  2. Focus on lightweight forms enhancing quick user access.
  3. Efficient data handling that speeds up server responses.

Examining the performance of these landing page builders reveals that Instapage takes the crown. It not only provides quick-loading pages but optimizes them for the best user experience, which is crucial for conversions. While Site123 and Forms.app offer decent performance, they simply can't match the efficiency and speed that Instapage delivers consistently.

Round Three - Usability and Learning Curve

All three platforms strive to make landing page creation accessible, welcoming newcomers while also supporting more seasoned pros. Site123 leads the charge with an intuitive interface that almost anyone can navigate without prior experience. Its straightforward approach allows users to launch pages swiftly. Forms.app mirrors this sentiment with easy setup and access to form templates, making it an appealing option for those focused on data collection. However, Instapage, while slightly more complex, rewards users with extensive features and customization options that can pay off in higher conversions. It offers a wealth of tutorials and community support, easing the learning curve for those willing to invest a bit more time. Regardless of the platform chosen, each offers a path to becoming a proficient user, but Instapage provides the tools and community that champion progress.

Round Four - Support System

Customer support for landing page builders is like a trusted sidekick, ready to assist whenever challenges arise. Site123 prides itself on offering robust support through live chat and an extensive help center, ensuring users can find solutions quickly. Forms.app also provides responsive support via email, though it lacks live chat at the moment. On the other hand, Instapage takes the lead in this round, offering not just 24/7 support through multiple channels, but also a strong online community and comprehensive knowledge base, empowering users to troubleshoot issues independently. This supportive structure is a significant benefit for marketers at all expertise levels.

Round Five - Cost Considerations and Plans

Pricing structures vary significantly among the platforms, attracting different types of users. Site123 offers flexible free and premium plans, ideal for beginners and those needing essential functionality. Forms.app also follows suit with competitive pricing aimed at those needing form-centric pages, although their free version is somewhat limited. Conversely, Instapage positions itself as a premium product with a focus on serious marketers seeking advanced features for conversion optimization. While its price may seem higher, the investment pays off with superior capabilities that drive results.

As we wrap up this comparison, it becomes clear that each platform has distinct strengths catering to different user needs. Whether your priority lies in speed, ease of use, or value for advanced features, there's a match for you. However, when it comes to empowered marketing strategies, Instapage clearly stands out as an exceptional choice. Consider exploring Instapage through a free trial or demo to experience firsthand the power of optimized landing pages tailored for conversion.

FAQs

Try the most advanced landing page platform today