The recent release of OpenAI's Apps SDK has opened a new frontier for software development, creating a potential market that could generate up to $40 billion in annual developer revenue. Seizing this opportunity, STX Next, a leading European software development company, has launched specialized ChatGPT app development services. The agency's analysis highlights the massive distribution advantage of the platform, which boasts 800 million weekly active users - a user base 133 times larger than the iPhone's when the App Store launched in 2008.
Quick Intel
STX Next launches dedicated ChatGPT app development services.
The potential market for ChatGPT apps is estimated at up to $40 billion annually.
The platform offers immediate distribution to 800 million weekly active users.
Successful apps use intent-based surfacing, proprietary data, and filtered decisions.
Development is based on the Model Context Protocol (MCP) for cross-platform compatibility.
Target industries include legal, healthcare, B2B procurement, and financial planning.
Decoding the Blueprint for Successful ChatGPT Apps
STX Next's strategy is informed by an analysis of OpenAI's seven launch partners, including Spotify, Booking.com, and Zillow. The analysis revealed key patterns for success: Intent-based surfacing, where apps appear only when contextually relevant to the user's conversation; Proprietary data integration, which allows apps to deliver personalized results from backend systems; and Filtered decision-making, where apps present a few curated options rather than overwhelming comprehensive results.
"We've already received inquiries from companies since the SDK opened," says Łukasz Koczwara, CTO at STX Next. "The early pattern we're seeing is companies approaching ChatGPT app development like mobile app development when conversational interfaces require different architecture."
A Structured Development Approach for the Conversational Era
STX Next's services are structured in three tiers based on integration complexity, from simple Intent Capture Apps (4-8 weeks) to complex Enterprise Integration Apps (14+ weeks). A critical technical foundation for all projects is the use of the Model Context Protocol (MCP), the open standard underlying OpenAI's SDK. Building MCP-native apps ensures they can deploy across ChatGPT today and other AI platforms like Claude or Gemini in the future without a complete rebuild.
"Model Context Protocol is essential for ChatGPT app development," says Łukasz. "Building MCP-native means companies deploy to ChatGPT today, Claude or Gemini tomorrow, using the same codebase."
This launch positions STX Next to guide companies in industries like legal services, healthcare, and financial planning—sectors with high transaction frequency and proprietary data—to capitalize on this new paradigm of intent-driven, conversational application delivery.
STX Next is one of Europe's leading software development companies, specializing in AI consultancy, data engineering, and integrating AI systems. They partner with startups, SMBs, and enterprise companies across various sectors, including financial services, healthcare, retail, manufacturing, and energy. Following OpenAI's release of its Apps SDK in October 2025, STX Next also launched dedicated services for developing ChatGPT apps.
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