Mobile Apps Built for Your Business, Customers, and Growth
We design and develop high-quality mobile applications for startups and businesses, helping you turn ideas, services, and complex business processes into intuitive experiences for iOS and Android users.
Your Customers Are Already on Their Phones
Over 70% of digital traffic now happens on mobile devices. But having a responsive website is often just the baseline. A dedicated mobile application transforms occasional visitors into deeply engaged, loyal daily users.
Repeated & Daily Customer Interactions
If users log in, book, order, or check status multiple times a week, a mobile app eliminates browser friction and makes interaction instant.
Direct Re-engagement via Push Notifications
Unlike marketing emails that get buried in spam folders, native push notifications reach your customers directly on their lock screen with up to 7x higher open rates.
1-Tap Persistent Authentication
Users stay securely logged in via FaceID or biometric fingerprint. No typing passwords or re-authenticating across mobile web tabs.
Native Device Hardware Capabilities
Tap into GPS location tracking, camera scanning, accelerometer, bluetooth, and contacts for experiences mobile browsers cannot replicate.
Offline Access & Local Data Caching
Allow customers or field employees to access critical data, catalogs, forms, and saved content even when cell signals drop or go offline.
Permanent Real Estate on the Home Screen
Your brand icon sits prominently on their personal device every single day, reinforcing brand loyalty and top-of-mind recall.
A Mobile App Is Not Necessary for Every Business
If your visitors only make a one-off purchase once a year, a high-converting responsive website is often the most cost-efficient choice. We never push an app if it doesn't generate positive ROI for your specific business model. We evaluate your user journeys honestly before recommending an investment.
Do You Actually Need a Mobile App?
Building a mobile app is an investment of time and capital. Select the statements below that match your current business situation to see whether a mobile app is the right next step.
A Mobile App Is Highly Recommended
Your requirements benefit heavily from persistent mobile presence, push messaging, and on-the-go user habits. A native or cross-platform application will significantly boost customer lifetime value and retention compared to a standard mobile website.
Not sure? During our free 30-minute discovery call, our engineers review your exact user journeys and provide an unbiased recommendation.
Mobile Applications We Build
We do not categorize apps by programming frameworks. We organize by real-world business models, user behaviors, and revenue channels. Explore what fits your vision:
Turn your digital product concept into a market-ready mobile reality
We help startup founders build clean, scalable MVPs designed to validate user demand, attract early adopters, and secure investor confidence with smooth onboarding and high day-30 retention.
Tech founders, venture-backed startups, software entrepreneurs
Features Designed Around Your Users
You don't need to know technical specifications to imagine what your app can do. Explore possible capabilities across 5 core dimensions, all engineered for seamless performance.
User Experience: Frictionless interfaces that keep users engaged and coming back daily.
Biometric & Social Onboarding
+40% Signup Completion1-tap sign-in with Apple, Google, or phone OTP without password friction.
Personalized Content & Feeds
Higher Day-30 RetentionDynamic interfaces tailored to user browsing history, purchase preferences, and role.
Faceted Search & Smart Filters
<100ms Instant ResultsInstant, typo-tolerant search across products, services, and locations.
Saved Items & Favorites
Drives Repeat ConversionsOffline-capable wishlists and bookmarking for quick return visits.
Adaptive Dark Mode
Reduced Battery UsageSeamless automatic switching based on system theme preferences.
Not every app needs every feature. We help you select only the high-leverage capabilities that directly drive revenue and customer satisfaction.
Which Platforms Should Your App Support?
One of the first questions founders ask is whether to target Apple iPhones, Android devices, or both. Here is how each option stacks up from a business and audience standpoint:
Android
70%+ Global ShareIdeal when reaching broad consumer markets, emerging economies, and diverse hardware price points.
- Dominant market share across Asia, LATAM & Europe
- Fast Google Play review turnaround times
- Massive reach for logistics, gig-economy & retail
iOS (Apple iPhone)
High MonetizationCritical for premium services, North American / UK audiences, and apps with recurring in-app subscription monetization.
- Significantly higher in-app purchase willingness
- Consistent hardware & screen size specifications
- Dominant demographic in corporate & executive niches
Both (iOS + Android)
100% Market AccessLaunch across both App Store and Google Play simultaneously with a single shared codebase, reaching every potential customer.
- Zero customer exclusion on marketing campaigns
- Up to 40% cost savings via React Native cross-platform
- Unified feature releases and synchronized updates
You do not have to decide this alone. During our initial discovery session, we review your target customers' demographics, location, and device preferences to recommend the exact platform rollout plan that optimizes your budget.
One App, Multiple Platforms
There are two main engineering paths to building mobile apps. We explain the trade-offs in plain business terms so you can make an informed decision for your company.
Cross-Platform Development
Powered by React Native & ExpoWe write one unified, high-performance application codebase that compiles directly into true native UI components on both Apple iOS and Google Android.
Build once and ship simultaneously to both major app stores.
One development team instead of hiring two separate specialist teams.
New features and bug fixes release to all users at the same time.
Indistinguishable from native Swift/Kotlin for business apps.
Pure Native Development
Swift (iOS) & Kotlin (Android)Two completely independent applications are coded from scratch using Apple's and Google's proprietary platform languages.
When Native Makes Sense:
- Heavy 3D gaming or real-time physics rendering engines
- Direct low-level Bluetooth peripheral firmware drivers
- Specialized on-device machine learning & audio DSP
Trade-off Consideration:
Requires maintaining two separate codebases, nearly doubling development time and ongoing developer retainers.
Pragmatic Technology Selection: We never force an architectural approach. If your app genuinely demands custom native Swift or Kotlin modules, we integrate them cleanly alongside our core architecture.
How We Build Your Mobile Application
From first concept to App Store downloads, we follow a transparent 7-step process. You always know what is being built, when to expect it, and how it impacts your business.
Understand Your Idea
Uncovering your business goals, target audience, and problem space
Product Discovery Brief & High-Level Scope Blueprint
Share your business vision, customer feedback, and ideas—no technical prep required.
You Don't Need a Complete Technical Plan to Start
The biggest misconception non-technical founders have is thinking they need a 40-page software specification before contacting an agency. You don't.
Bring Any Starting Point
We meet you at whatever stage your concept is in.
A Rough App Idea
A concept you thought of or a service you wish existed on your phone.
A Business Problem
An operational bottleneck, high customer churn, or manual paper process.
Napkin Sketches & Notes
Rough drawings, bullet points in your phone's notepad, or voice memos.
An Existing Website
A working web platform or store that needs a dedicated mobile app experience.
A Structured Product Blueprint
Everything needed to build with confidence and predictability.
Target User Validation
Pinpoint who your primary users are, their daily mobile habits, and what problems your app solves for them.
Streamlined User Journeys
We design every tap from splash screen to checkout, eliminating unnecessary steps and friction.
Prioritized MVP Roadmap
Distinguish between high-leverage launch features and secondary ideas to save capital and speed up launch.
Technical Architecture Blueprint
We establish the exact database, APIs, cloud hosting, and security models required for stability.
Start Small. Validate Early. Grow with Confidence.
The number one mistake first-time founders make is trying to build a "complete" app with 50 features before launch. An MVP (Minimum Viable Product) gets your core solution into real users' hands in weeks, not months.
Building Everything Upfront
Spending 6-9 months and $50k+ developing dozens of speculative features before a single real customer has downloaded the app.
Core Value Validation First
We isolate your app's single most valuable core feature, engineer it to perfection, and launch on App Stores within 4 to 6 weeks.
A Great App Is More Than Good Code
Users don't evaluate your app by reading the database architecture. They judge it by how effortless, intuitive, and enjoyable it feels in their hands. We obsess over every pixel and interaction.
Large thumb-friendly cards, saved customer profiles, 1-tap biometric Apple Pay/bKash authorization, and instant haptic confirmation.
Thumb-Zone Ergonomics
Placing high-frequency navigation and action buttons within natural thumb reach, avoiding awkward top-corner stretches.
Instant Micro-Feedback
Subtle tactile haptic feedback and smooth state animations that reassure users their tap was registered instantly.
Zero-Cognitive Friction
Progressive disclosure: presenting only what users need at that exact moment rather than cluttering screens with 20 options.
High-Contrast Legibility
WCAG-compliant typography and adaptive contrast designed for sunlight legibility and nighttime eye comfort.
Your Mobile App Is Part of a Larger System
An app on a phone is only the client interface. Behind every seamless tap is a coordinated backend engine that syncs orders, processes payments, protects user data, and gives your staff an administrative command center.
Mobile Client App
Installed on iPhones & Android devices. Handles offline storage, camera scanning, biometric login, and 60fps user interactions.
Secure Core API
High SpeedProcesses business logic, orchestrates user authentication, verifies transactions, and coordinates real-time data sync.
Staff Admin Portal
A secure desktop web portal for your internal team to manage customer accounts, dispatch bookings, review orders, and trigger broadcasts.
Relational Data
PostgreSQL & Redis Caching
Push Notifications
Firebase FCM & Apple APNs
Payment Gateways
Stripe, bKash & In-App Pay
Cloud Infrastructure
AWS Auto-Scale & Cloudflare
Built for Real Users and Real Growth
An app that crashes or lags loses users permanently. We engineer every application to the highest standards of speed, data encryption, and high-concurrency uptime.
Bank-Grade Data Security
Protecting user data and business reputation
- Encrypted data storage on device (iOS Keychain & Android Keystore)
- End-to-end SSL/TLS 1.3 transport encryption with certificate pinning
- Biometric authorization (FaceID/Fingerprint) for sensitive actions
- Strict compliance with Apple and Google data privacy safety mandates
Fluid 60 FPS Performance
Instant responsiveness with zero stutter
- Native thread execution for butter-smooth screen transitions
- Sub-second API response caching via in-memory Redis layers
- Optimized image delivery with WebP asset compression
- Zero battery drain optimization through intelligent background polling
Elastic Cloud Scalability
Effortlessly handle traffic spikes and growth
- Stateless API microservices that scale horizontally on demand
- Automated load balancing across AWS cloud infrastructure
- High-throughput PostgreSQL database read-replicas
- Seamless support from 50 initial beta users to 500,000+ daily sessions
Real-Time System Reliability
Continuous monitoring to catch issues before users do
- Automated crash telemetry and exception alerting via Sentry
- 99.95% server uptime guarantee with redundant cloud failovers
- Offline network resilience with automatic queue retry
- Rigorous unit and end-to-end integration test suites
We Help You Get Your App to Users
Getting an app published to the Apple App Store and Google Play involves strict guidelines, cryptographic certificates, and privacy compliance. We handle the entire deployment pipeline for you.
Apple Developer & Google Console Setup
We guide you step-by-step in creating your official developer accounts so your business retains 100% legal ownership of your listings.
App Store Visuals & Screenshots
We design high-converting, professional device screenshots formatted precisely for all required iPhone, iPad, and Android display resolutions.
Compliance & Privacy Questionnaires
We configure Apple Privacy Nutrition Labels and Google Data Safety forms to comply with GDPR and international data transparency laws.
Build Submission & Review Management
We compile production release binaries, configure signing certificates, submit for official review, and actively manage communications with Apple and Google reviewers.
Transparent Review Policy: While no agency can legitimately guarantee unconditional approval (as final decisions rest with Apple and Google policy teams), we strictly build according to official Human Interface and Developer Guidelines, and we work directly with reviewers to resolve any questions during review.
Launching Is Only the Beginning
We do not hand over code and vanish. A successful digital product evolves as real users adopt it. We provide reliable ongoing support so you never worry about maintenance.
30-Day Free Bug Warranty
Every project includes 30 days of free bug warranty. If any unexpected edge-case or defect appears after launch, our engineers fix it immediately at zero cost.
Annual Major OS Upgrades
Apple and Google release major OS updates every autumn. We test and adapt your app to guarantee continued compatibility with new screen sizes, permissions, and APIs.
Infrastructure & Security Updates
Continuous monitoring of server uptime, database backups, SSL certificates, security patches, and third-party API deprecations.
Continuous Feature Sprints
As your user base grows and requests new capabilities, we can provide dedicated monthly development sprints to continuously evolve your product.
Modern Technology. Chosen for Your Product.
We never select frameworks based on hype or trends. Every tool in our stack is chosen because it optimizes your time to market, guarantees stability, and minimizes long-term operational costs.
Mobile Client Tier
React Native
Cross-platform native execution
Expo SDK
Rapid mobile build & OTA update pipeline
Swift / Kotlin
Specialized native modules when required
TypeScript
Strict compile-time type safety
Backend & Core APIs
Node.js & Express
High-throughput asynchronous API runtime
Next.js
Internal web admin command dashboards
REST & GraphQL
Lightweight payload serialization
WebSockets
Bi-directional real-time communication
Data & Caching Layer
PostgreSQL
ACID-compliant relational database
Redis
In-memory caching & sub-millisecond sessions
Prisma ORM
Type-safe database migrations
SQLite / WatermelonDB
Local on-device offline storage
Cloud & Third-Party APIs
AWS & Cloudflare
Global edge CDN & scalable container clusters
Firebase (FCM)
Push notifications & device telemetry
Stripe & bKash
Global & local mobile payment processing
Google Maps SDK
Turn-by-turn geolocation & geofencing
Zero Vendor Lock-In: We use industry-standard open-source languages and standard cloud architectures. Any competent software engineer in the world can read, maintain, and expand your codebase in the future.
Featured Mobile Products & Case Studies
We don't just design pretty screens; we engineer complete mobile products that solve real business problems and create lasting competitive advantages.
Exchanger Mobile Suite
Customer appraisal mobile app & field technician diagnostic tool
Customers had to physically visit retail branches to get gadget trade-in quotes, leading to long store queues and lost sales to online competitors.
Engineered a cross-platform mobile application featuring an automated in-phone diagnostic scanner (display, touchscreen, battery health), instant trade-in valuation, and home pickup booking.
84%
Quote Completion Rate
3 mins
Average Evaluation Time
65%
Branch Footprint Saved

Preparation Academy App
Gamified test prep with live timed exams and offline KaTeX solutions
Students across rural districts faced frequent internet cutoffs during timed admission tests, resulting in lost exam submissions and student frustration.
Built an offline-first mobile examination app with local SQLite question caching, background answer synchronization, KaTeX mathematical typesetting, and instant rank percentiles.
99.8%
Exam Completion Under Slow 3G
10k+
Daily Active Students
4.9 / 5
App Store User Rating

SwiftFleet Driver & Customer App
Dual-app ecosystem connecting consignees with parcel couriers
Drivers relied on paper run-sheets and manual phone calls to confirm delivery addresses, leading to missed delivery windows and high return rates.
Developed a synchronized two-sided mobile platform: a driver application with turn-by-turn routing and digital signature capture, and a customer app with live map tracking.
94%
First-Attempt Delivery Rate
-72%
Dispatcher Phone Calls
-35 mins
Average Route Time

How Much Does Mobile App Development Cost?
We do not post deceptive "starting from $499" agency gimmicks. Mobile app pricing is directly driven by scope, device integrations, and backend requirements. We operate on a 100% fixed-price milestone model so you never face surprise invoices.
Lean Validation MVP
For early-stage startups testing product-market fit
- Single high-leverage core product workflow
- iOS & Android cross-platform codebase
- Biometric authentication & user profiles
- Core backend API & cloud database setup
- App Store & Google Play launch support
- 30-day post-launch bug warranty
Ideal For: Founders seeking early user traction or angel investment
Request Custom ProposalFull Commercial App
For established businesses launching a major mobile channel
- Complete multi-screen customer journeys
- In-app payments, subscriptions & mobile wallets
- Automated push notifications & activity feeds
- Custom web admin dashboard for staff
- Hardware integration (camera, GPS, biometrics)
- Advanced analytics & crash telemetry
- 30-day post-launch bug warranty
Ideal For: Growing businesses with active customers & recurring transactions
Request Custom ProposalEnterprise Ecosystem
For complex multi-sided marketplaces & high-volume logistics
- Multi-sided app suite (e.g. Customer + Driver + Admin)
- Turn-by-turn live GPS tracking & routing
- High-concurrency microservices backend
- ERP / legacy database integrations
- Role-based staff permissions & audit logging
- Dedicated QA device lab testing
- Custom enterprise SLA & support agreement
Ideal For: Enterprises, multi-branch retailers & on-demand networks
Request Custom ProposalFixed-Price Guarantee
Guaranteed milestone payments. No hourly runaways.
100% Code & IP Ownership
All source code, designs, and store listings belong to you.
30-Day Free Warranty
Free bug resolution post-launch for complete peace of mind.
Frequently Asked Questions
Everything business owners and startup founders want to know about building, launching, and owning a mobile application with Planex.
The investment required depends on the scope of your application—such as whether you need iOS, Android, or both, the complexity of your custom features, third-party integrations (payments, maps, SMS), and whether backend systems or admin dashboards are required. A focused validation MVP typically requires significantly less capital than a complex multi-vendor marketplace or enterprise platform. After our initial discovery discussion, we provide a fixed-price milestone proposal with a transparent breakdown, so you never encounter surprise hourly billing or hidden fees.
Have a specific question about your app concept or requirements?
Have an App Idea? Let's Explore It Together.
You don't need a complete technical specification or finished product plan. Tell us about your idea, business, or the problem you want to solve. We'll help you understand what it would take to turn it into a mobile application.
Explore Related Capabilities: