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The Notion App Growth Playbook: Building a $37K/Month SaaS on an Existing Platform

·7 min read

Learn how Julian Nom built a $37K/month micro-SaaS in 6 days by leveraging the Notion ecosystem. This guide covers MVP frameworks, platform risk, and SaaS growth strategy.

Imagine building a software product in just six days that eventually generates over $400,000 in annual recurring revenue. For Julian Nom, this isn't a hypothetical scenario; it is the reality of his journey with NoteForms. By identifying a critical "feature gap" within the Notion ecosystem, Julian successfully built a micro-SaaS that serves over 100,000 registered users and generates $37,000 in monthly recurring revenue (MRR). This playbook explores the specific SaaS growth strategy required to build, validate, and scale a business on top of an existing giant.

Identifying 'Feature Gaps' in Massive Ecosystems

The foundation of a successful platform-based business lies in finding what the host platform is missing. When Notion released its API, it opened the floodgates for developers to extend its functionality. Julian noticed that while Notion was an incredible database tool, it lacked an intuitive way for external users to input data—a feature that its competitor, Airtable, had already perfected with its native forms.

Finding these gaps requires more than just technical skill; it requires deep user empathy. Julian was a power user of Notion for years before he ever wrote a line of code for NoteForms. By being your own user, you see the friction points that generic market research might miss. However, Julian warns against building for a "market of one." You must validate that your personal frustration is shared by the wider community before committing to a full build.

Key takeaway: Don't try to reinvent the wheel. Look for platforms with high adoption (Notion, Shopify, or Slack) and identify a specific sub-issue that is currently being solved by manual workarounds or third-party tools on other platforms.

Cannibalizing Communities vs. Building Standalone Brands

One of the hardest parts of a SaaS growth strategy is the "cold start" problem—getting your first 1,000 users. In a standalone SaaS model, you have to build an audience from scratch using expensive Google Ads or long-term SEO. In a platform-based model, you are essentially "cannibalizing" an existing community. The users are already there, gathered in subreddits, Facebook groups, and Discord servers.

Strategy ComponentStandalone SaaSPlatform-Based SaaS
Customer Acquisition CostHigh (Requires outbound effort)Low (Native ecosystem traffic)
Speed to MarketSlow (Must build full infra)Fast (Build only the integration)
Trust & AuthorityMust be earned over timeInherited from the host platform
Development FocusBroad (Auth, Billing, Core, UI)Narrow (Specific feature gap)

By focusing on Notion, Julian didn't have to explain why people needed a database; he only had to explain how his tool made their existing database better. This reduced friction is the secret weapon of the micro-SaaS founder. You are fishing in a stocked pond rather than trying to create an ocean.

"Building on one platform is easier. You don't have to build the community around it; you can kind of cannibalize part of it and solve a sub-issue."

The 6-Day MVP Framework for Rapid Validation

Speed is a competitive advantage. Julian built the first version of NoteForms in just six days. This wasn't about cutting corners; it was about ruthless prioritization. If a feature didn't contribute to the core value of "getting data into a Notion database via a form," it was discarded.

The Technical Stack of Speed

Julian argues that a technical person should focus on the product, not the technology. He has used the same stack for 10 years: Laravel (PHP) and Vue.js. By reusing codebases from previous projects for UI, authentication, and billing, he could focus 100% of those six days on the unique logic of the integration.

  1. Day 1-2: Connect to the host API and map the data structure.
  2. Day 3-4: Build the core "utility" (e.g., the form builder interface).
  3. Day 5: Polish the UI using a familiar framework like Figma for design and Tailwind for CSS.
  4. Day 6: Deploy to a simple host like AWS or DigitalOcean and share the link immediately.

The most common critique of this model is platform risk—the danger that the host platform (like Notion) will build your feature natively or change their API and kill your business. While this is a valid concern, Julian views it as a manageable trade-off. The speed and distribution you gain far outweigh the risk in the early stages.

To mitigate this risk, successful founders eventually diversify. They might expand their integration to Salesforce or Airtable, or they build such a deep, feature-rich vertical solution that the platform’s native version feels like a "lite" alternative. By the time Notion might release their own forms, a tool like NoteForms already has 100,000 users and complex features like conditional logic and custom branding that a native tool likely won't prioritize.

"The risk seems huge, but I think it's not that big. If you're a software engineer, six months off working on a project is nothing. The upside is far greater."

Micro-SaaS Distribution: Viral Loops and Community Marketing

Once the MVP is live, the focus shifts to app marketing and distribution. Julian’s strategy was simple but aggressive: he shared the tool across every Notion-related community he could find on Reddit and Facebook Groups. Because the product was free during the beta and solved a genuine pain point, the communities welcomed it rather than banning him.

However, the real growth came from the Viral Loop. Since NoteForms is a form builder, every time a user creates a form and sends it to their clients, those clients see a "Powered by NoteForms" badge. This creates a self-sustaining cycle where every new user brings in potential future users. For founders looking to scale this even further, platforms like Stormy AI streamline creator sourcing and outreach, helping identify UGC creators and influencers within specific niches who can demonstrate the tool to their dedicated audiences.

Pro Tip: Use tools like Amplitude to track which parts of your viral loop are performing best. If one specific feature is being shared more often, double down on it.

The Transition: From Free Beta to $37K MRR

Julian’s monetization strategy was a masterclass in patience. He kept the tool entirely free until he reached 1,000 users. During this time, he added "Pro Tags" to new feature requests, signaling to users that while the feature was free now, it would eventually be part of a paid plan. This set expectations early and reduced churn when the paywall finally went up.

When he "flipped the switch" on Stripe billing, he offered early adopters a 40% lifetime discount. This rewarded loyalty and provided the initial surge of revenue needed to prove the business was viable. He eventually moved toward a subscription model, noting that selling a $50/month subscription is significantly easier than a $500 one-time fee due to the recurring value provided by the integration.

Current Operating Stack

  • Customer Support: Crisp for live chat and AI-powered support bots.
  • Product Roadmap: FeatureBase for managing public user requests.
  • Analytics: Amplitude for tracking user behavior and conversion.
  • Marketing: Google Ads for capturing high-intent search traffic.

Conclusion: The Bias for Action

The success of NoteForms wasn't due to a complex, multi-year business plan. It was the result of a bias for action. Julian Nom took a simple idea, built it in a week using a stack he knew intimately, and placed it in front of a community that was already hungry for a solution.

If you are looking to build your own platform-based business, stop overthinking the technology. Find a platform with a passionate user base, identify a gap that forces users into manual workarounds, and ship an MVP in days, not months. While you scale, platforms like Stormy AI can help manage the creator partnerships that drive long-term growth. The risks of building on "rented land" are real, but the rewards—as Julian's $37K/month revenue proves—are extraordinary for those willing to start.

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