We're proudly a 5-star rated digital consultancy across South Africa, The Netherlands, and the U.K. as reviewed on Clutch.
App Development
Modern applications built to scale
At Modern Day Strategy, we design and develop high-quality mobile and web applications using modern technologies such as React Native, Flutter, React, and Next.js. We help you choose the right approach — whether that's a mobile app, web application, or both — and build products that are scalable, reliable, and designed for long-term growth.
Consult an expert

HOW WE CAN HELP YOU
Explore our approach to app design and development
Strategy & product guidance
Before writing any code, we help you determine whether an app is actually the right solution. This includes advising whether you need a mobile app, a web application, or a combination of both. If a mobile app makes sense, we guide you on whether it should be a native app, a cross-platform app, or a progressive web app (PWA), based on your users, budget, timeline, and long-term goals.
UI & UX design
We design both mobile and web applications with a strong focus on usability, clarity, and consistency. This includes defining user flows, interactions, and interface patterns that feel natural on each platform. Whether it's a mobile-first experience or a complex web application, the goal is to create products that are intuitive to use and visually aligned with your brand.
App development
Once the designs are approved, we build your application using the most appropriate technology stack. This may include React Native or Flutter for cross-platform mobile apps, native iOS and Android development, or React and Next.js for web applications. Our development approach prioritises clean code, reliability, security, and long-term maintainability.
Backend & system architecture
Most applications require a robust backend to support authentication, data management, business logic, and integrations. We design and build secure, scalable backend systems and APIs that support both mobile and web applications, ensuring consistent performance and reliability as your product grows.
Performance, security & optimisation
Performance and security are built into every application from the start. We optimise responsiveness, data handling, and load times while implementing best practices around authentication, access control, and data protection. This ensures your application remains fast, stable, and secure across platforms and devices.
Testing, deployment & launch
Before launch, we thoroughly test applications across devices, browsers, and operating systems. We handle deployment and release processes, including app store submissions for mobile apps and production deployments for web applications. The launch process is structured and controlled to minimise risk and downtime.
Ongoing support & iteration
After launch, we continue to support and evolve your application through maintenance, updates, performance monitoring, and feature enhancements. As requirements change and your user base grows, we help iterate and improve the product over time.
Strategic & Objective Advice
We're not tied to any single platform or technology. Having worked across a wide range of systems, tools, and architectures, we're able to advise objectively and recommend solutions that best fit our clients' goals, timelines, and budgets.
Design-Led Thinking
We place a strong emphasis on design and usability. Every digital solution we build is intuitive, visually refined, and designed with real users in mind, because great products are defined by how they're experienced, not just how they function.
Deep Technical Expertise
We work comfortably across modern front-end frameworks, mobile technologies, back-end systems, and third-party integrations. This technical breadth allows us to design solutions that are scalable, secure, and adaptable as your business grows.
Flexible by Design
Flexibility is one of our biggest strengths. We work with both early-stage startups and established enterprises, and understand that their technical, commercial, and operational needs differ. Our lean structure allows us to tailor our approach, technology, pricing, and delivery to each client, rather than forcing a one-size-fits-all solution.
AI-First, Where It Adds Real Value
Where it makes sense, we leverage AI to ship production-grade software faster and more affordably. This allows us to optimise development time, reduce costs, and focus human effort where it creates the most impact.
Client-First Level of Service
Call it old-school, but we still believe in putting our clients first. We take ownership of our work and consistently go above and beyond to deliver outcomes we're proud of. By working on fixed-price engagements rather than hourly billing, we stay accountable for results and provide clarity and certainty from day one.
LET'S SEE HOW
WE CAN WORK
TOGETHER.
GET IN TOUCH WITH OUR TEAM.
Call / WhatsApp
+27 (0) 76 299 4102
team@moderndaystrategy.com
Modern Day Strategy
We're proudly a 5-star rated digital consultancy. With offices in South Africa and the Netherlands, we service clients globally.
South Africa
De Oude Schuur, 120 Bree Street,
Cape Town
+27 (0) 76 299 4102
Netherlands
Stichts End 36, Ankeveen
+31 (0) 64 918 7745
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