**About this file** This Markdown is an auto-generated, plain-text snapshot of one page on mertosolutions.com. Use it to paste context into an AI assistant. Visual layout, images, and interactive elements exist only on the live site - see **Canonical** below. **Page:** Mobile App Development UK | iOS, Android & React Native | Merto **Description:** Mobile app development for iPhone and Android. Plain-speaking team, store listings handled, fair scoping. Book a Free Consultation. **Canonical:** https://mertosolutions.com/mobile-app-development --- Mobile App Development # Mobile App Development _for customers who live on their phones_ Merto builds mobile apps for iPhone and Android. When cost and quality stay fair, one React Native build covers both app stores. Your customers get something that feels right on a phone. People don't buy what you do. They buy why you do it. Capable businesses deserve tools that work as hard as they do. iPhone and Android One build for both phones when it fits 50+ builds delivered Based in the UK · Serving businesses across the UK and worldwide Book a Free Consultation Explore Our Services Free business assessment · No commitment required · Based in the UK See the four steps from idea to live app 1 Discover Who uses the app, and what success looks like for you. 2 Design Screens and journeys agreed before build starts. 3 Build Short cycles. You see real progress every week. 4 Submit App Store and Google Play handled end to end. Live on iPhone and Android Our mobile app development services iOS apps Android apps One build, two app stores App Store and Play listing Ongoing support Why mobile app development matters ## Most people decide on a phone. _Your business should be easy to find there._ ### Your business, always in their pocket People book, pay and ask for help from a phone first. If you are hard to reach there, you fall behind. ### One project for both phones when it fits Two full separate builds are not always needed. One project can cover both phones when the job suits, so more budget goes to features. ### Built to grow with you Today might be a simple app. Tomorrow might add users, screens, or links to your systems without starting from scratch. ### No surprises on cost or timing Clear scope and regular walk-throughs. You always know what ships next and what it costs. Still weighing whether an app is the right move? One call sorts fit, rough shape and what happens next. Plain language only. Book a Free ConsultationExplore Our ServicesFree business assessment · No commitment required · Based in the UK Our mobile app development services ## iOS app development, Android app development, and _one-build delivery_ when it fits Each card starts with the worry, then the fix. If another route is better, we say it early. ### iOS App Development A weak iPhone app gets deleted fast. Merto builds a proper iPhone experience. Your App Store listing is walked through review with you. Tap-to-call, forms, maps and sign-in follow what Apple expects. - App Store listing prepared for you - Push alerts for bookings and updates - Deep links from email and the web - Different staff roles see different screens ### Android App Development Many screen sizes. A lazy layout looks broken fast. Layouts are tested on real phones. Google Play paperwork and review are handled with you. - Google Play listing prepared for you - Layouts that adapt to small and large phones - Works offline where your process needs it - Background refresh for orders and jobs ### Cross-Platform Apps with React Native Two native teams mean two roadmaps and two bills. When the job fits, React Native covers iPhone and Android from one project. Shared rules. Native polish only where the phone demands it. - One project, iPhone and Android - Fast, smooth screens on both phones - Shared rules, platform-specific polish where needed - Connects to your existing log-in and APIs Seen the three paths above? Say who uses a phone today. You get the leanest honest route, not the biggest sale. Book a Free ConsultationExplore Our ServicesFree business assessment · No commitment required · Based in the UK How we work ## From first workshop to _live on the app stores_ 1. 1 ### Discover your app users Workshops to learn who opens the app. What they need in a hurry is written down. What good looks like is agreed in plain language. 2. 2 ### Design your screens first Wireframes and simple prototypes come before build. You react early while changes are cheap. 3. 3 ### Build and show progress weekly You see working software on a steady rhythm. Not months of silence. 4. 4 ### Launch and handle store review App Store and Google Play paperwork and assets are handled with you. Support after go-live is optional. Happy with the four steps but dates or budget are fixed? Say so on the call. We map the plan to real constraints, not a template. Book a Free ConsultationExplore Our ServicesFree business assessment · No commitment required · Based in the UK Testimonials ## What teams say about _working with Merto_ Real names, real companies. Same care on every mobile build. Rated 5 out of 5 stars. > “Professional. Insightful. Friendly. Working with Merto has been a pleasure. I look forward to continuing our working relationship. Highly recommend.” Custom Software Development · Web Application Development Daniel Abbott Managing Director, Harlow, Essex, UK Rated 5 out of 5 stars. > “Merto Software Solutions helped us develop a web app that has streamlined our internal processes and made it easier for us to manage customer data. The team worked closely with us to ensure the app was exactly what we needed. We are very happy with the outcome.” Web App Development · UI/UX Design Dave C Owner, Langley, UK Rated 5 out of 5 stars. > “Merto Solutions automated our entire order fulfilment process. We've cut manual work by 85% and eliminated almost all data entry errors. The ROI was evident within the first month.” API Integration · Business Automation Sarah Mitchell Operations Director, Reading, UK Prefer a voice to a wall of copy? Same people on the call as on the build. No pitch deck, no hand-off to a sales desk. Book a Free ConsultationExplore Our ServicesFree business assessment · No commitment required · Based in the UK ## Mobile app questions, answered plainly Real questions people type into search. Short answers first. Book a Free Consultation -> What types of mobile apps do you build? + Customer apps, field tools for staff, and apps beside your current systems. Most ship to iPhone and Android. React Native can cover both stores from one project when quality stays high.How long does a mobile app project take? + A clear app is often eight to twelve weeks to store submission. More screens, offline work, or heavy integrations add time. You get a dated plan before build starts.Should I build for iOS, Android, or both? + Start where your customers already are. If both stores matter from day one, React Native is often the middle ground. Honest advice, not a bigger invoice.How much does mobile app development cost? + Not the cheapest option, and we say that upfront. Fair pricing, clear scope before you sign, no hidden fees. Book a Free Consultation to hear what moves the number.Do you handle App Store and Google Play submission? + Yes. Listings, screenshots, privacy text, and reviewer questions are handled with you. Support after go-live is optional. Ready when you are ## Stop losing customers to a competitor's better app Every month without a proper app is a quiet win for your competition. Book a Free Consultation for plain next steps. Book a Free Consultation Explore Our Services Free business assessment · No commitment required · Based in the UK