| SU-0232 | Founder of a planned health app seeks a technical co-founder in Munich for iOS and AndroidTechnical co-founder / CTO, Mobile & apps · München, Germany | Health, Consumer & social · Prototype | Equity only | — | Oct 2026 | New |
| SU-0224 | AI-powered mobile app with a working MVP seeks a technical co-founder or lead developerTechnical co-founder / CTO, Mobile & apps · Location not stated | AI, Consumer & social · Live product or beta | — | — | Oct 2026 | New |
| SU-0215 | PropTech tenant app with automated consumption tracking seeks co-creators for build and UXTechnical co-founder / CTO, Mobile & apps, Design & UX · Hamburg, Germany | Real estate & construction, Consumer & social · Idea | — | — | Oct 2026 | New |
| SU-0462 | Voice-driven parking decision layer for navigation apps seeks a hands-on technical cofounderTechnical co-founder / CTO, Mobile & apps · Netherlands | Mobility & logistics, Consumer & social · Prototype | Equity only | Remote | Apr 2026 | Recent |
| SU-0136 | Mobile multiplayer cricket game studio in open testing seeks a game-developer co-founder in BengaluruTechnical co-founder / CTO, Mobile & apps · Bengaluru, India | Gaming · Live product or beta | Flexible · Equity only | — | Jan 2026 | Recent |
| SU-0392 | Bootstrapped health-tech AI company seeks a full-stack developer on a path to co-founderTechnical co-founder / CTO, Mobile & apps · Location not stated | Health, AI · Live product or beta | Full-time · Equity and salary | Remote | Oct 2025 | Older |
| SU-0086 | AI-personalized hyper-local audio news app seeks technical and non-technical co-foundersAI & machine learning, Mobile & apps, Sales & partnerships · California, United States | Media & creators, AI · Prototype | Part-time · Equity only | Remote | Aug 2025 | Older |
| SU-0085 | Mobile gaming app that uses AI to generate games adapting to the player's moodTechnical co-founder / CTO, Mobile & apps, AI & machine learning · Location not stated | Gaming, AI, Consumer & social | — | — | Aug 2025 | Older |
| SU-0083 | Women-focused life-design brand building an AI mobile app seeks a part-time equity technical co-founderTechnical co-founder / CTO, Mobile & apps · Brooklyn, New York, United States | Consumer & social, AI | Part-time · Equity only | Remote | Aug 2025 | Older |
| SU-0060 | Community-driven social app for the dance world seeks a developer co-founderTechnical co-founder / CTO, Mobile & apps · Location not stated | Consumer & social, Media & creators · Idea | — | — | Apr 2025 | Older |
| SU-0051 | On-demand marketplace for short sessions with local photographers, in beta, seeks an equity-only technical co-founderTechnical co-founder / CTO, Mobile & apps · Location not stated | Marketplaces, Consumer & social · Live product or beta | Equity only | — | Mar 2025 | Older |
| SU-0341 | Rewards at physical merchants without app downloads, seeking a full-time iOS co-founderTechnical co-founder / CTO, Mobile & apps · Location not stated | Commerce & retail, Consumer & social · Live product or beta | Full-time | On site | Apr 2024 | Older |
| SU-0525 | Workout-partner finder app, live as a PWA, seeks a long-term technical co-founderTechnical co-founder / CTO, Mobile & apps · Utrecht, Netherlands | Consumer & social, Health · Live product or beta | Equity only | Hybrid | — | Undated |
| SU-0469 | Voice-first social platform in early stage seeks an experienced technical co-founderTechnical co-founder / CTO, Mobile & apps · Location not stated | Consumer & social, Media & creators · Prototype | — | — | — | Undated |
| SU-0370 | Poetry app project looks for a Flutter partner to build it togetherMobile & apps · Location not stated | Consumer & social | — | — | — | Undated |
| SU-0330 | Gen Z food-discovery app with a live MVP seeks a founding CTO and co-founder in the NetherlandsTechnical co-founder / CTO, Mobile & apps, AI & machine learning · Groningen, Netherlands | Food & agriculture, Consumer & social, AI · Live product or beta | Full-time · Equity and salary | — | — | Undated |
| SU-0324 | Founder with a built MVP seeks technical co-founders with payments-infrastructure and mobile experienceTechnical co-founder / CTO, Mobile & apps · Location not stated | Fintech · Live product or beta | — | — | — | Undated |
| SU-0294 | Tech-for-good app that lets people donate to charity without raising their spending seeks a technical co-founderTechnical co-founder / CTO, Mobile & apps · Location not stated | Social impact, Fintech, Consumer & social · Idea | Equity only | — | — | Undated |
| SU-0279 | Creator-economy social discovery app seeks a CTO / technical co-founder with an equal one-third equity shareTechnical co-founder / CTO, Mobile & apps, AI & machine learning · London, United Kingdom | Consumer & social, Media & creators, AI · Prototype | Full-time · Equity and salary | — | — | Undated |
| SU-0275 | Construction-site software with an AI assistant for site managers, seeking a second technical co-founderTechnical co-founder / CTO, AI & machine learning, Mobile & apps · Bristol, United Kingdom | SaaS & B2B software, AI · Live product or beta | Full-time | — | — | Undated |
| SU-0260 | CRM and digital platform for car repair shops seeks a technical co-founder / CTO for 20% equityTechnical co-founder / CTO, Mobile & apps · Location not stated | SaaS & B2B software, Mobility & logistics · Prototype | Part-time · Equity only | — | — | Undated |
| SU-0252 | New niche dating-platform startup in a Nigerian startup collective seeks a web/mobile technical co-founderTechnical co-founder / CTO, Mobile & apps · Nigeria | Consumer & social · Idea | Equity only | Remote | — | Undated |