Your customers spend most of their screen time inside apps. Spider Infotech Services builds Android and iOS apps that put your business one tap away, from booking and ordering apps to customer portals and companion apps for your website or online store.
We handle the full journey: planning, UI/UX design, development, testing, and publishing on Google Play and the App Store. You get one accountable team that also understands your website, hosting, and marketing, so your app fits neatly into the rest of your business.
Explore Our App Services
Android Apps
Apps for the phones most of Bangladesh uses.
iPhone Apps
Polished apps for the Apple App Store.
Our TongCast App
See an app we built and run.
Mobile App Development Services
Apps designed around what your customers actually need to do, not just a copy of your website.
Android App Development
Native-quality Android apps for phones and tablets, tested on the devices your customers really use.
iOS App Development
iPhone and iPad apps that follow Apple’s design guidelines and pass App Store review.
Cross-Platform Apps
One Flutter codebase for Android and iOS, which saves time and budget without sacrificing quality.
eCommerce & Ordering Apps
Shopping, food ordering, and booking apps connected to your store, inventory, and payment gateways.
Business & Internal Apps
Field service, attendance, sales, and inventory apps that make your team faster and more organised.
App UI/UX Design
Clean, intuitive screens and user flows designed and prototyped before development begins.
Why a Mobile App Can Grow Your Business
A well-designed app keeps your brand on your customer’s home screen. It makes repeat orders and bookings faster, lets you send timely push notifications, and gives loyal customers a smoother experience than a mobile browser can offer.
Apps also help internally. When your staff can check stock, record visits, or update orders from their phones, information moves faster and fewer mistakes are made. The key is to start with a clear purpose, which is why every app project begins with planning rather than code.
Challenges We Help You Overcome
Common reasons app projects stall, and how we prevent them.
You have an idea but no clear plan
We turn your idea into a feature list, user flows, and a realistic first version you can launch and improve.
Your current app is slow or crashes
We review the code and backend, fix performance issues, and stabilise the app before adding new features.
Your app and website don’t talk to each other
We connect your app to your website, store, or CRM through secure APIs, so data stays in sync.
Publishing feels complicated
We prepare store listings, screenshots, and builds, and guide you through Google Play and App Store approval.
What Every App Project Includes
The essentials that make an app reliable from launch day.
- Discovery workshop and feature planning
- UI/UX design and clickable prototype
- Android and iOS builds
- Secure API and backend integration
- Push notifications where needed
- Analytics and crash reporting
- Testing on real devices
- Google Play and App Store submission support
- Admin panel or dashboard if required
- Post-launch fixes and update support
Technologies We Use
Proven tools chosen for performance, maintainability, and cost.
- Flutter
- Dart
- Android
- iOS
- Firebase
- REST APIs
- Laravel
- MySQL
- Push Notifications
- Google Play Console
- App Store Connect
Who We Build Apps For
Startups
Launch a focused first version, test it with real users, and grow from there.
Retail & eCommerce
Give shoppers a faster way to browse, order, and track deliveries.
Service Businesses
Bookings, appointments, and customer accounts in one simple app.
Companies & Teams
Internal apps that replace paperwork and spreadsheets.
Our App Development Process
A structured process that keeps your app on scope, on time, and on budget.
Discovery
We define your goals, users, and the features for the first version.
Design
We design the screens and a clickable prototype for your feedback.
Development
We build the app and backend in milestones you can review.
Testing
We test on real devices and fix issues before release.
Launch & Support
We publish to the stores and support updates after launch.
An App We Built and Run


Live on Android & iOS
TongCast App
A Bangla news app for Android and iOS: short news cards, category tabs, saved stories, sharing and dark mode. Published in the stores as “Daily Mint”. See the full project.
App Project Options
App projects vary widely, so each one is quoted after a free consultation with a written scope, timeline, and price.
Start lean
MVP App
A focused first version to validate your idea.
- Core features only
- One platform or cross-platform
- Basic admin panel
- Store publishing support
Recommended
Business App
A complete app for customers or your team.
- Android and iOS
- Custom UI/UX design
- Website or CRM integration
- Push notifications and analytics
Tailored
Custom Platform
Complex apps with multiple user types.
- Customer, staff, and admin apps
- Payments and real-time features
- Scalable cloud backend
- Ongoing development plan
After Launch: Updates and Growth
Apps need regular care as operating systems and devices change. We offer maintenance for updates, bug fixes, and compatibility with new Android and iOS versions, and we can keep adding features as your users give feedback. Our marketing team can also help you promote your app and grow downloads.
Mobile App Development in Bangladesh: A Complete Overview
A mobile app puts your business on the home screen of your customers’ phones. Done well, it makes repeat purchases, bookings, reading, learning, and account management faster than any website, and it gives you a direct channel through push notifications.
Mobile app development has more moving parts than many owners expect. There is the app itself on Android, iOS, or both; a backend and API that store data and run business logic; an admin panel for your team; integrations such as payments and SMS; and the app store publishing and review process. All of these need to work together reliably, on fast and slow connections alike.
Spider Infotech Services builds complete mobile app projects, from first idea to published app and ongoing updates. We designed, built, and run the TongCast news app, which is live on Google Play and the App Store, so our advice comes from real experience with users, reviews, and updates.
Native, Cross-Platform, or a Mobile Website?
Native apps, written in Kotlin for Android and Swift for iOS, give the best performance and the deepest device integration. Cross-platform frameworks such as Flutter let one code base run on both platforms, which usually saves time and cost when you need Android and iOS together.
Sometimes the right answer is not an app at all. If customers visit only occasionally, a fast mobile website or progressive web app may achieve your goal for less. We will recommend the approach that fits your users and budget, not the one that is most expensive.
Challenges We Solve With Apps
Low repeat engagement
Push notifications and saved accounts bring customers back for offers, orders, and updates.
Manual bookings and orders
In-app booking, ordering, and payment reduce calls and inbox messages.
Field teams on paper
Staff apps record orders, visits, and deliveries with real-time sync.
App store rejections
Careful preparation of listings, privacy details, and permissions avoids common rejections.
Disconnected systems
A shared backend keeps your website, app, and admin panel in sync.
Abandoned old apps
We audit, update, and republish apps that stopped working on new devices.
What Our App Projects Include
Every app project covers the full stack, not just the screens.
Product Discovery
Users, goals, features, and a prioritised first release agreed in writing.
UX and UI Design
Wireframes, polished screens, and a clickable prototype for approval.
Android Development
Native Kotlin or cross-platform Flutter apps tested on popular devices.
iOS Development
iPhone apps that follow Apple’s design and review guidelines.
Backend and API
Secure Laravel or Node.js APIs, or integration with your existing website.
Admin Panel
A web dashboard for managing content, users, orders, and reports.
Notifications and Analytics
Firebase push notifications, analytics, and crash reporting.
Payments and Integrations
bKash, Nagad, card gateways, SMS, maps, and third-party services.
Store Publishing
Google Play and App Store listings, submissions, and release management.
Our Mobile Technology Stack
- Flutter
- Dart
- Kotlin
- Swift
- Firebase
- Laravel API
- Node.js
- REST APIs
- MySQL
- Firebase Cloud Messaging
- Crashlytics
- Google Play Console
- App Store Connect
- TestFlight
- Figma
- Git
Technical Standards We Follow
- Written scope and release plan before development
- Clickable prototype approved before coding
- Testing on real Android and iPhone devices
- Graceful handling of slow or lost connections
- Secure API communication over HTTPS
- Minimal permissions and accurate privacy details
- Crash reporting active before launch
- Optimised app size and startup speed
- Accessible text and touch targets
- Signed builds with keys stored safely
- Staged releases for updates where possible
- Source code and documentation handed over
Package Planning and Budget Guide
App budgets depend on the number of screens, platforms, backend work, and integrations. Android apps start from ৳72,000 and iPhone apps from ৳90,000 for a focused first version. Building both together from one Flutter project is quoted as a single project.
The smartest way to control cost is to launch a focused first version with the features that matter most, learn from real users, and add more in later releases.
- List the three to five most important things users must do
- Check whether your website already has an API the app can use
- Decide whether you need Android, iOS, or both at launch
- Open developer accounts on Google Play and the Apple App Store
- Budget for updates after launch
- App projects can start with a 50% advance
How to Choose the Right Provider
Questions to ask before hiring an app developer:
- Do they have an app of their own live in the stores?
- Will apps be published under your own developer accounts?
- Who builds the backend and admin panel?
- How are updates and bug fixes handled after launch?
- Will you receive the full source code?
- Can they support both Android and iOS?
Why Choose Spider Infotech Services
Live Apps of Our Own
TongCast is live on Google Play and the App Store, built and run by our team.
Full-Stack Delivery
App, backend, admin panel, website, and hosting from one team.
Security Mindset
Secure APIs and careful data handling from our security background.
Honest Advice
We tell you when a mobile website is the better first step.
Published Packages
Clear starting prices and a written scope for every project.
Updates After Launch
Support plans for updates, fixes, and new features.
Related Services
Frequently Asked Questions
How much does it cost to build an app?
It depends on the number of screens, features, platforms, and integrations. After a free consultation, we send a written quote, and we can suggest a smaller first version if you want to start lean.
Should I build for Android, iOS, or both?
In Bangladesh most users are on Android, while many international markets lean towards iPhone. Cross-platform development with Flutter lets you launch on both from one codebase, which is often the most cost-effective option.
Do you publish the app on Google Play and the App Store?
Yes. We prepare the builds, store listings, and screenshots, and guide you through submission and approval. Publishing accounts and ownership terms depend on your plan and are agreed in your proposal.
Can you connect the app to my existing website or system?
Yes. We integrate apps with websites, WooCommerce stores, CRMs, and custom systems through secure APIs.
Can you take over an app built by another developer?
Often, yes. We first review the code and backend, then recommend whether to improve the existing app or rebuild specific parts.
Do you provide support after launch?
Yes. We fix issues found after launch and offer ongoing maintenance for updates, new OS versions, and new features.
How long does it take to build an app?
A focused first version usually takes 4 to 10 weeks depending on screens, backend, and integrations.
Can you turn my website into an app?
Yes. We can build an app that uses your website’s content and data through an API, so both stay in sync.
Do you build apps for internal staff use?
Yes. We build apps for sales teams, delivery staff, and managers, which can be distributed privately.
Have an App Idea? Let’s Plan It Together
Book a free consultation and get a clear plan, timeline, and quote for your mobile app.
