Sellfy vs Substy AI
Side-by-side comparison to help you choose the right tool.
Sellfy
Build your online store in minutes to sell digital products, subscriptions, and merch with zero fees.
Last updated: February 28, 2026
Substy AI automates chats and manages fan interactions, helping agencies boost revenue and streamline OnlyFans and Fanvue operations effortlessly.
Last updated: March 26, 2026
Visual Comparison
Sellfy

Substy AI

Feature Comparison
Sellfy
Intuitive Online Store Builder
Create a stunning, professional online store in minutes with Sellfy's drag-and-drop, code-free builder. Start with free, mobile-optimized templates and customize every block to match your brand. You can click, drag, and design your perfect storefront without any technical skills, ensuring it looks great on both computers and phones. This feature puts you in the driver's seat, letting you launch your business quickly and make updates anytime you want.
Sell Anything: Digital, Physical, and Subscriptions
Sellfy gives you incredible flexibility to monetize your work in multiple ways. Upload and sell digital products like eBooks, music, and videos with files up to 20GB. Create and sell custom physical merchandise like t-shirts and mugs through integrated print-on-demand, with no upfront inventory costs. You can also set up weekly, monthly, or yearly subscription plans for exclusive content, creating a reliable, recurring income stream from your most dedicated fans.
Built-In Marketing & Sales Tools
Grow your business with powerful marketing tools built directly into your Sellfy dashboard. You can run email marketing campaigns, create discount codes, and set up an affiliate program to have others promote your products. Additional features like product upselling and SEO optimization help you convert more visitors into buyers and improve your store's visibility in search engines, all without needing separate, expensive apps.
High-Converting Checkout & Global Payments
Sellfy provides a fast, secure, and optimized checkout experience designed to reduce cart abandonment and speed up purchases. Your customers can pay easily using their preferred method, including credit/debit cards, PayPal, Apple Pay, and Google Pay. This express checkout process happens in just a few clicks, providing a smooth experience for your customers while ensuring you get paid securely from buyers all over the world.
Substy AI
Comprehensive CRM
Substy's CRM is tailored for OnlyFans and Fanvue agencies, providing a complete workspace accessible directly from your browser. It features a clear dashboard for tracking revenue, conversions, and AI performance, while also automating fan classification into categories like VIPs, spenders, and timewasters.
Autonomous AI Chatbot
The Substy AI chatbot operates 24/7, engaging with fans without any human intervention. It efficiently sells PPV content, handles objections, and re-engages cold fans while adapting its communication tone to suit various languages, ensuring personalized interactions at all times.
Hybrid Chat Model
With Substy's hybrid chat model, agencies can allocate resources more efficiently. The AI manages interactions with fans below a certain spend threshold, while human chatters are reserved for VIPs, resulting in significant cost savings and improved chat management.
Real-Time Performance Tracking
Substy provides real-time tracking of each chatter's performance, including metrics such as revenue generated, response rates, and average basket size. This feature allows agencies to monitor successes and make data-driven decisions to optimize their strategies.
Use Cases
Sellfy
The Digital Creator Selling eBooks & Courses
If you're a writer, coach, or expert creating digital guides, courses, or templates, Sellfy is your perfect storefront. You can easily upload your files, set your price, and start selling instantly. The platform handles secure delivery to customers automatically after purchase, so you can focus on creating your next bestseller while earning passive income from your digital products around the clock.
The Artist or Designer Selling Custom Merchandise
For artists, illustrators, and designers, Sellfy's print-on-demand integration is a game-changer. You can upload your designs and sell them on high-quality products like t-shirts, hoodies, posters, and mugs. Sellfy handles the printing, packaging, and shipping directly to your customer from a global network of fulfillment centers. This means you can offer custom merch without ever dealing with inventory, upfront costs, or logistics.
The Musician or Podcaster with a Subscription Model
Musicians, podcasters, and video creators can use Sellfy to build a loyal community with a subscription (membership) model. Offer your fans exclusive access to bonus content, early releases, ad-free episodes, or behind-the-scenes material through recurring weekly, monthly, or yearly plans. This creates a steady, predictable income that supports your creative work and deepens your connection with your audience.
The Entrepreneur Building a Multi-Product Brand
For entrepreneurs and small business owners selling a mix of products, Sellfy consolidates everything into one simple dashboard. You can sell digital planners, physical copies of your book, and branded merchandise all from the same beautiful store. The integrated marketing tools like email campaigns and discount codes help you promote your entire product line and grow your brand into a full-fledged business.
Substy AI
Agency Management
Agencies can use Substy to manage multiple accounts seamlessly, allowing them to automate fan interactions and focus on strategic growth initiatives rather than daily operational tasks.
Fan Engagement
The AI chatbot can engage fans continuously, ensuring that no potential sale is missed. By handling routine conversations and upselling content, Substy helps maintain fan interest and encourages higher spending.
Cost Reduction
By automating 90% of messages and reducing the need for human chatters for lower-tier fans, agencies can significantly cut operational costs, allowing them to reinvest those savings into marketing and growth.
Performance Monitoring
Substy's real-time analytics enable agencies to track the performance of their chatters and the effectiveness of their campaigns, allowing for quick adjustments to maximize revenue and improve customer interactions.
Overview
About Sellfy
Sellfy is the all-in-one, beginner-friendly platform designed to help creators, entrepreneurs, and small business owners launch and grow their online business with zero technical headaches. Imagine being able to set up a beautiful, fully-functional online store in just minutes, without needing to write a single line of code. That's the power of Sellfy. It's built specifically for you to turn your passion and ideas into a thriving income stream effortlessly. The platform lets you sell virtually anything: digital products like eBooks, music, videos, and design templates; physical goods and custom merchandise through integrated print-on-demand; and recurring subscription plans for steady, predictable revenue. Everything is managed from one simple, intuitive dashboard, putting you in complete control.
What truly sets Sellfy apart is how it removes the typical barriers to selling online. You get a customizable store that looks perfect on every device, secure global payment processing, and powerful built-in marketing tools to help you attract customers and boost sales on autopilot. With transparent pricing, absolutely zero transaction fees on all plans, and 24/7 customer support, Sellfy provides a complete ecosystem for success. Join over 75,000 creators who have already earned more than $165 million by using this platform to build their dream business.
About Substy AI
Substy AI is a revolutionary all-in-one platform designed specifically for OnlyFans and Fanvue agencies, combining a robust CRM with an autonomous AI chatbot. This innovative solution streamlines agency management by centralizing fan data, automating conversations, and enhancing revenue generation through effective PPV sales strategies. Whether you're a creator, manager, or part of a chat team, Substy empowers you to manage multiple accounts effortlessly while reducing reliance on human labor. The platform's hybrid model allows AI to engage with lower-tier fans, freeing human chatters to focus on VIP customers. With Substy, agencies can cut costs by up to 25% while automating 90% of their messaging, making it the most widely adopted solution in the market.
Frequently Asked Questions
Sellfy FAQ
Is Sellfy really free to try?
Yes! Sellfy offers a 14-day free trial for all of its paid plans, and no credit card is required to sign up. This gives you full access to explore all the features, build your store, and even test the checkout process. After the trial, you can choose a plan that fits your business needs. There is also a completely free plan available with basic features to get you started.
What can I sell with Sellfy?
You can sell a wide variety of products with Sellfy. This includes digital products (eBooks, music, videos, software, design templates, etc.), physical products (which you can fulfill yourself or through print-on-demand for custom merch), and subscription-based products for recurring revenue. This flexibility makes it ideal for creators, artists, educators, and entrepreneurs.
Does Sellfy charge transaction fees?
No, one of Sellfy's standout benefits is that it charges zero transaction fees on all of its plans. You only pay your monthly or yearly subscription fee. When you make a sale, you keep 100% of the revenue after standard payment processing fees from Stripe or PayPal, which are industry-standard and apply everywhere.
How does print-on-demand work with Sellfy?
Sellfy has integrated print-on-demand (POD) features. You simply upload your design, choose the products you want it on (like t-shirts or mugs), and set your price. When a customer orders, the order is automatically sent to Sellfy's POD partner, who prints the product, packages it, and ships it directly to your customer. You never have to handle inventory or shipping, and you earn the profit margin you set.
Substy AI FAQ
What is Substy?
Substy is an integrated CRM and AI chatbot designed specifically for OnlyFans and Fanvue agencies. It centralizes fan data, automates conversations, and boosts PPV sales, helping agencies scale efficiently.
How does Substy's AI chatbot work?
Substy's AI learns fan behavior and initiates natural conversations based on predefined scripts. It can also send targeted upsells automatically, optimizing engagement and increasing sales opportunities.
Who can benefit from using Substy?
Substy is ideal for OnlyFans and Fanvue agencies, including creators, managers, and chat teams looking to automate communications, manage fan interactions, and scale while retaining full control over their performance metrics.
What advantages does Substy's CRM offer?
Substy's CRM provides advanced fan management features, including automatic classification, detailed message histories, and performance tracking, all within a unified platform that enhances user experience for both web and mobile users.
Alternatives
Sellfy Alternatives
Sellfy is a popular all-in-one e-commerce platform designed to help creators and small businesses sell digital products, physical goods, and subscriptions online. It’s known for being beginner-friendly, with a quick setup and no transaction fees, making it a great starting point for many. People often explore other options for various reasons. Your business might outgrow certain feature limits, or you may need deeper customization for your storefront. Sometimes, pricing structures change, or a specific tool like a more advanced email marketing system becomes a priority for your growth strategy. When looking at different platforms, focus on what matters most for your business right now. Consider your budget, the types of products you sell, and how much control you want over the design and customer experience. The best choice is the one that aligns with your current needs and can support your future goals.
Substy AI Alternatives
Substy AI is an innovative platform designed specifically for agencies operating on OnlyFans and Fanvue. It seamlessly combines a comprehensive customer relationship management (CRM) system with an autonomous AI chatbot, making it a powerful tool for automating chat interactions and managing fan engagements. As the leading solution in the market, Substy AI helps agencies scale their revenue by efficiently handling communication with fans while tracking performance metrics. Users often seek alternatives to Substy AI for various reasons, including pricing concerns, the need for specific features, or compatibility with different platforms. When looking for an alternative, it’s essential to consider factors such as ease of use, the range of features offered, customer support, and how well the solution integrates with your existing workflows. Evaluating these aspects can help ensure that you find a tool that meets your agency's unique needs.