Mobile App Development
Native iOS and Android plus cross-platform Flutter and React Native apps — engineered for performance, battery life and a polished UX. We handle store submission, signing and the fiddly release process end to end.
At a glance
- 1,550+
- Projects delivered
- 150+
- Clients served
- 2017
- Building since
- Day 1
- Code ownership
Why Mobile App Development goes wrong — and how we do it differently
Mobile apps fail quietly. The demo on the founder's iPhone looks perfect; the field team's ₹10,000 Android takes eight seconds to open it, loses a form when the signal drops in the basement, and drains the battery by lunch. Six months after launch the app is uninstalled and the team is back on WhatsApp — and the store listing still says 4.5 stars because nobody updated it.
We build mobile apps for the devices your users actually own and the networks they actually have. That means launch-time and jank budgets tested on low-end Android, offline-first data layers that queue writes and sync when connectivity returns, and release engineering — signing, store listings, review responses, phased rollouts — treated as part of the job rather than an afterthought. Our own product, TeleValley, is shipped and maintained the same way.
The result is an app that survives week one on the shop floor, the delivery route or the customer's commute. You get both store builds, the source, the signing keys and the analytics wired in, and a recommendation in writing on whether Flutter, React Native or native was the right call for your case — even when the honest answer costs us the bigger build.
The cost of a mobile app that fails quietly is rarely the build fee. It is the field data that never reaches the office because the form failed offline, the customer who uninstalled after the second crash and never came back, the release that slipped a month because a certificate expired, and the sales team that went back to WhatsApp because the app was slower than a message. Those costs do not appear on an invoice, which is exactly why they compound unnoticed.
Sound familiar?
The situations clients bring to this service line.
Field staff stop using the app
It assumes connectivity and a fast phone. In a basement, a factory or a highway dead zone, forms fail and the team goes back to WhatsApp.
Two codebases, twice the bill
Separate iOS and Android teams double every feature's cost and drift apart in behaviour.
Store releases are a monthly crisis
Signing certificates expire, review rejections stall launches and nobody owns the listing.
The vendor holds the keys
Keystores, developer accounts and source live with the agency — switching vendors means starting over.
At a glance
- Typical timelineTo both stores
- 8–14 wks
- Team on itArchitect, mobile, backend, QA
- 3–5
- Starting investmentSingle-purpose app
- ₹6 lakh
- First working demoClickable build on a real device
- Week 3
- After launchReleases and crash triage handled
- Both stores
Figures are typical ranges from past engagements. Your written estimate arrives within 3 business days of the scoping call.
What we build
Native iOS & Android
Kotlin and Swift for performance-critical apps where every millisecond and megabyte matter.
Cross-platform
Flutter and React Native for one codebase on both stores — faster to ship and maintain.
App store delivery
Signing, listings, review handling and phased rollout on the Play Store and App Store.
Offline-first
Sync-on-reconnect architectures for field teams on unreliable connectivity.
Tools & stack we use on this work
What clients usually ask us for
Field-force and delivery apps
Offline-first capture with GPS, photos and signatures that sync in the background — for sales reps, drivers and site engineers.
Customer-facing consumer apps
Booking, ordering, fintech and learning apps with UPI payments, push notifications and analytics on both stores.
Enterprise companion apps
Mobile front-ends for your CRM, ERP or HRMS — approvals, payslips, attendance and dashboards on the phone.
App rescue and upgrades
Legacy React Native or Flutter apps brought to current versions, store-compliant and performant, without a rewrite.
What you walk away with
- iOS and Android builds, signed and store-ready
- Source code and build pipelines
- Design assets and app store listings
- Analytics and crash reporting wired in
- Handover and a maintenance plan
The process
- 01
Scoping call and platform recommendation (native vs cross-platform)
- 02
UX prototype and a clickable build by week three
- 03
Two-week sprints with weekly demos on real devices
- 04
Store submission, handover and support
Four things that make week one productive
None of these are hard; all of them are the difference between a thin slice in week three and a thin slice in week six.
- 1Developer accounts on Play Store and App Store in your name (we help set them up)
- 2A few real users and their real devices for testing
- 3Backend or API access, or a decision to have us build it
- 4One decision-maker for the weekly device demo
What changes after we ship
Every item here is a measurable state, not an adjective — the things you can check on your own system a month after launch.
Guaranteed in the contract
- Code you own from day one
- A 24-hour response SLA
- Ship real software early
- The engineers who scope it build it
- Cold launch under two seconds and jank-free lists on a ₹10,000 Android phone
- Forms and captures that survive lost signal and background kills, syncing when the network returns
- Both store builds signed, listed and released — with the keys and accounts in your ownership
- Crash reporting, analytics and push wired in before launch, not after the first complaint
- A written native-vs-cross-platform recommendation with reasons, before any code
Where your team gets its hours back with Mobile App Development
Typical figures from live deployments. We measure the “before” during the scoping week on your own numbers, so the “after” is a target you can hold us to.
| Task | Before | After |
|---|---|---|
| Field data reaching the office | Photographed forms, days later | Synced within minutes of signal |
| Shipping a feature to both platforms | Two teams, two sprints | One codebase, one sprint |
| A store release | A week of certificate and review drama | A scheduled, phased rollout |
| Finding out the app crashed | A customer complaint | Crash report the same minute |
Why clients pick us for Mobile App Development
Our own apps are in the stores
TeleValley is a live product — we ship and maintain apps for ourselves, not just for clients.
Low-end device discipline
Launch time, jank-free lists and battery use are tested on ₹10,000 Android phones, not flagship demo devices.
Release craft handled
Signing, listings, review responses and phased rollouts on both stores are part of delivery.
Written native-vs-cross-platform advice
We recommend Flutter, React Native or native in writing, with reasons — even when it costs us the engagement.
Engagements with the numbers attached
Industries we serve with this
Common questions about Mobile App Development
Native or cross-platform — how do you decide?
We recommend based on your budget, timeline, team and performance needs. Cross-platform is right for most business apps; native makes sense for graphics-heavy or hardware-intensive apps. We'll give you a written recommendation, not a preference.
Do you handle app store submission?
Yes — signing, listings, screenshots, review responses and phased rollout on both stores are part of delivery, not billed separately.
Will the app work without internet?
If your users need it to, yes. We build offline-first data layers that store captures locally and sync in the background with conflict-safe rules — the pattern behind our cold-chain and field-service apps.
Can you take over an app another team built?
Yes. We start with a code and store audit, secure the signing keys and accounts in your name, stabilise crashes and then plan features — the same rescue sequence we use for web systems.
Have a Mobile App Development project in mind?
A free 30-minute call with an architect — a written estimate in 3 days, a fixed proposal in 7.
Explore other services
Eight service lines, one accountable team.
Book a scoping call with a software architect — not a sales bot.
You'll get a reply within one business day. We'll send a rough estimate in 3 days and a fixed proposal in 7.
Prefer to talk first? Phone, email and office address are on the contact page.