Mobile App Development Services Apps your customers keep, backed by a complete system.

We plan, design and build complete mobile products: the customer app, the staff or delivery app, the admin panel and the APIs behind them. With 21 years of software delivery, we help you pick the right platform first — native, cross-platform or a web app — so the budget goes into features, not rewrites.

  • App strategy & scoping
  • Android & iOS apps
  • Flutter & React Native
  • UI/UX design
  • Admin panel & APIs
  • Store launch & support
Sysfo's milk delivery platform shown as a mobile app beside its web admin dashboard
21+years building web, mobile and business software
7500+projects delivered for clients in India and abroad
Weeklytest builds installed on your own phone
100%source code and store accounts owned by you

Why app projects go wrong

Six mobile app problems we are usually called in to fix.

Most failed apps don't fail on code. They fail on the wrong platform choice, a missing admin side or a launch with no plan for what happens next.

01

Unsure which platform to build on

Native, Flutter, React Native or a PWA? Every agency recommends the one it happens to know, and the wrong pick doubles the cost later.

02

An app with nothing behind it

A good-looking app, but orders still arrive on WhatsApp because nobody built the admin panel, roles, reports or payment reconciliation.

03

Downloads that never turn into users

People install the app, struggle through sign-up or a slow first screen, and uninstall it the same day.

04

An old app that keeps breaking

Crashes after every Android or iOS update, store warnings about outdated SDKs, and a previous developer who no longer answers.

05

Rejected by Google Play or the App Store

Missing privacy policies, data-safety forms, payment rules or login options hold the launch for weeks.

06

A budget that keeps growing

Hourly billing, vague scope and no clear first release, so the app is always 'nearly finished' but never live.

Our mobile app development services

Everything a mobile product needs, from first sketch to store listing.

Start with strategy and a clickable prototype, or hand us the whole build. Each service links to a dedicated page where we go deeper.

Mobile app strategy workshop where the product team plans features and platforms
Discovery workshops turn an idea into a costed MVP scope.

Mobile app strategy & discovery

Choose the right platform before writing a line of code.

Platform choice drives cost, speed and what the app can do. In a short discovery phase we map your users, the devices they carry and the features that matter — offline use, payments, GPS, camera, Bluetooth — and then recommend native, cross-platform or a progressive web app with the trade-offs written down. You also get a prioritised MVP so version one goes live in weeks, not quarters.

  • User journeys, feature list and a costed MVP scope
  • Native vs Flutter vs React Native vs PWA comparison for your case
  • Integration list: payment gateway, SMS, maps, ERP or CRM
  • Release plan for version one and the next two updates
Need wider technology advice? See IT consultancy
Mobile UX designer building app screens and user flows on a laptop
Prototypes are tested on real phones before development begins.

Mobile UI/UX design

App screens designed for thumbs, slow networks and first-time users.

Good mobile design is mostly about removing steps. Our designers build wireframes and a clickable Figma prototype you can try on your own phone, then refine it with a handful of real users before development starts. We design for one-handed use, Hindi and English content, low-end devices and patchy 4G, and we follow Google's Material Design and Apple's Human Interface Guidelines so the app feels at home on each platform.

  • Wireframes and a clickable prototype within the first sprint
  • Design system with colours, type, icons and reusable components
  • Accessibility: contrast, text scaling and screen-reader labels
  • Short sign-up and onboarding flows that reduce drop-off
Admin panel of Sysfo's scrap collection app showing live agent tracking on a map
Admin panel from Sysfo's scrap app: live tracking of field agents.

Admin panel, backend & APIs

The app is the front door. The admin panel runs the business.

Every app we build comes with the parts customers never see: a web admin panel for orders, users and content, role-based access for staff, payment and refund handling, push notifications and reports. We build secure REST APIs on .NET or Node.js with a SQL database, and connect the app to the systems you already use — accounting, ERP, CRM, courier or SMS providers — so nobody re-types data.

  • Web admin with roles, audit log and exportable reports
  • Payment gateways, UPI, wallets, invoices and refunds
  • Push notifications, SMS, WhatsApp and email triggers
  • Live GPS tracking and route views for delivery and field teams
More on API development
Technician job, checklist and summary screens from Sysfo's LiftDesk field service mobile app
Field technician app from LiftDesk 360, a Sysfo product.

Business and consumer apps

Customer, partner and staff apps — built as one connected system.

Real businesses rarely need just one app. A delivery business needs a customer app, a rider app and an admin console; a service company needs a technician app with checklists and photos. Sysfo's own products follow this pattern — our milk delivery, scrap collection and lift-maintenance platforms each pair customer or field apps with a shared backend — and we bring the same architecture to custom mobile app development.

  • E-commerce, subscription and on-demand delivery apps
  • Field-service and technician apps with offline checklists
  • Fintech, wallet, recharge and crypto trading apps
  • Employee, attendance, school and member apps
See the milk delivery app product
Product owner reviewing mobile app analytics and growth reports on a phone
Post-launch analytics show where users drop off and what to fix.

Store launch, analytics & maintenance

Launch is day one. We stay for the updates that follow.

We prepare your Google Play and App Store listings, privacy and data-safety declarations, screenshots and release notes, and handle review feedback until the app is approved. After launch we watch crash reports and analytics, fix issues raised by new Android and iOS versions, and ship improvements on a regular release cycle so the app keeps its ratings and its users.

  • Store listings, screenshots and app store optimisation (ASO)
  • Crash reporting and analytics with Firebase from day one
  • Annual OS and SDK updates so store warnings never pile up
  • Monthly maintenance plans with agreed response times
Application maintenance services

What you get

A complete, documented mobile product — not just an APK.

Every mobile app development project ends with working software in the stores and everything you need to run, change or hand it over.

  1. Signed-off scope, user journeys and MVP feature list
  2. Clickable prototype and a reusable design system
  3. Android and iOS apps published under your own store accounts
  4. Web admin panel with roles, reports and audit log
  5. Documented REST APIs and database on your hosting
  6. Full source code in your Git repository
  7. Crash monitoring, analytics and a release checklist
  8. Handover guide and a maintenance plan if you want one

Our mobile app development process

From idea to app store in six clear steps.

Fixed scope for each release, two-week sprints and a test build on your phone every week, so you always know where the app stands.

  1. 1

    Free consultation

    free

    We discuss your idea, users and budget, and tell you plainly which platform and scope make sense.

  2. 2

    Discovery & scope

    1–2 weeks

    User journeys, feature list, integrations and a fixed, itemised quote for the first release.

  3. 3

    UI/UX design

    2–3 weeks

    Wireframes, a clickable prototype and final screens, approved by you before coding starts.

  4. 4

    Development sprints

    6–12 weeks

    App, admin panel and APIs built in two-week sprints with demos and weekly test builds.

  5. 5

    Testing & store launch

    1–2 weeks

    Testing on real devices, performance and security checks, then Play Store and App Store submission.

  6. 6

    Support & growth

    ongoing

    Crash monitoring, OS updates and new features on a monthly maintenance plan.

Engagement models

Ways to work with our app developers.

Most clients start with a fixed-price MVP, then move to a monthly plan for updates and new features.

Discovery & prototype

Fixed price

Validate the idea before committing to a full build.

  • Scope, journeys and MVP plan
  • Clickable prototype
  • Itemised build quote
Get started

Dedicated app team

Monthly

Designers and developers working on your roadmap.

  • Flexible monthly backlog
  • Dedicated project manager
  • Scale the team up or down
Get started

App maintenance plan

Monthly retainer

Keep an existing app healthy and up to date.

  • Crash fixes and OS updates
  • Small enhancements each month
  • Agreed response times
Get started

Why Sysfo for mobile apps

An app development company that builds the whole product.

We have built and run our own mobile products as well as client apps, so we plan for the admin work, payments and updates that come after launch.

Apps, admin and backend in one team

No hand-offs between an app agency and a web agency — one team owns the customer app, staff app, admin panel and APIs.

Platform advice without bias

We build native Android, native iOS, Flutter, React Native and PWAs, so we recommend whichever fits your users and budget.

Our own apps in production

Milk delivery, scrap collection, recharge, crypto and field-service apps from our product range prove the architecture we use.

Fixed, itemised quotes

Each release is quoted feature by feature after discovery, so you know the cost before development starts.

You own everything

Source code, store accounts, signing keys, servers and data are in your name from the first release.

Lucknow team, clients worldwide

Meet us in Lucknow or work remotely; we sign an NDA on request and keep to your time zone for demos.

Mobile technologies we work with

  • Kotlin
  • Jetpack Compose
  • Swift
  • SwiftUI
  • Flutter
  • React Native
  • TypeScript
  • Firebase
  • .NET Core
  • Node.js
  • SQL Server
  • PostgreSQL
  • Google Maps Platform
  • Razorpay
  • Figma
  • Google Play Console

FAQ

Mobile App Development Services — frequently asked questions

What do your mobile app development services include?

Our mobile app development services cover the whole product: discovery and scoping, UI/UX design and prototypes, native Android and iOS or cross-platform development, the web admin panel, backend and APIs, payment and third-party integrations, testing on real devices, Play Store and App Store submission, and ongoing maintenance. You can engage us for one stage, such as design or a code rescue, or for the complete build.

How much does it cost to develop a mobile app in India?

The cost of mobile app development depends on the number of screens and user roles, whether you need native or cross-platform apps, the admin panel and the integrations such as payments or maps. After a short discovery call we give you a fixed, itemised quote for the first release, so you can see what each feature costs and trim the scope if needed. There are no open-ended hourly bills.

How long does it take to build an app?

With our mobile app development services, a focused MVP with a customer app, admin panel and payments usually takes 10 to 16 weeks from discovery to store launch. Simpler apps can be faster; marketplaces with several user roles take longer. We share a week-by-week plan in the quote and install a test build on your phone every week so progress is visible.

Should I build a native app or a cross-platform app?

Choose native Kotlin or Swift when you need the best performance, deep hardware access or platform-specific features. Choose Flutter or React Native when you want Android and iOS from one codebase at lower cost — which suits most business, e-commerce and booking apps. If you don't need an app-store listing, a progressive web app may be enough. We compare all three for your case.

Do I need an admin panel with my app?

Almost always. The admin panel is where your team manages orders, users, products, content, refunds and reports. Without it, operations fall back to spreadsheets and phone calls. We build a web admin with role-based access alongside every app, and connect it to your accounting, ERP or CRM where needed.

Will I own the source code and the app store accounts?

Yes. For custom mobile app development the source code, designs, signing keys and store listings belong to you. We publish under your own Google Play and Apple developer accounts, keep the code in a repository you control and hand over documentation, so you can work with us, an in-house team or another vendor in future.

Can you take over or rebuild an existing app?

Yes. We start with a code and architecture review, then tell you honestly whether to fix, upgrade or rebuild. Common rescues include apps stuck on old SDKs, apps removed from the Play Store for policy reasons, and apps whose previous developer is unavailable. We can also add new features to an app that is working well.

Do you publish the app on Google Play and the App Store?

Yes. We prepare the listing text, screenshots, privacy policy, data-safety and privacy-label answers, then submit and handle any review feedback until the app is approved. We also set up internal testing tracks and TestFlight so your team can try each release before customers see it.

What support do you provide after launch?

After launch we offer monthly app maintenance plans: crash monitoring, bug fixes, updates for new Android and iOS versions, security patches, server monitoring and a set number of enhancement hours. Response times are agreed in writing, and you can scale the plan up when you are ready for bigger features.

Start your app project

Get a free estimate for your mobile app.

Tell us what the app should do and who will use it. An app consultant will call you back within one business day and send a free, itemised estimate after the call.

  • Free consultation and estimate
  • Fixed, itemised quote per release
  • NDA signed on request
  • Weekly test builds on your phone
  • You own the code and store accounts
  • Maintenance plans after launch

Request a free mobile app estimate

We reply within one business day. Your details are only used to respond to this enquiry.