What We Offer
Every engagement is tailored to your specific context, goals and budget.
iOS Development
Native iPhone and iPad applications built with Swift — optimised for Apple's ecosystem with full App Store support.
Android Development
Native Android apps built with Kotlin — tuned for the full range of Android devices across African markets.
Cross-Platform Apps
Single codebase apps using Flutter — delivering native-quality experiences on both iOS and Android efficiently.
UI/UX Design
User research, wireframing and visual design tailored to your audience — intuitive interfaces users enjoy.
API Integration
Seamless integration with payment gateways, ERP systems and third-party APIs for full-featured apps.
App Maintenance & Support
Post-launch monitoring, OS update compatibility and ongoing feature development.
Our Approach
Discovery
Define user personas, journeys, core features and technical requirements.
Design
Wireframes, interactive prototypes and polished UI reviewed before any code is written.
Develop
Agile sprints with regular demos, automated testing and continuous integration.
Launch & Grow
App store submission, launch strategy, monitoring and iterative feature releases.
Case Study
Consumer Super-App — 50,000+ Downloads
Sartam built a cross-platform consumer app combining product browsing, ordering, payment and delivery tracking. Launched in 8 weeks with 50,000 downloads in month one.
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