Mobile app development

Mobile apps built to launch and get used

We design for the way people actually use an app, engineer it to stay reliable under real load, and take it through store submission ready to scale as the product grows.

600+ mobile apps delivered since 2012
Full source-code ownership, no vendor lock-in
Toronto-based team, offshore engineering depth
Platforms we build on
Native iOSSwift
Native AndroidJava
KotlinAndroid & multiplatform
React NativeCross-platform
FlutterCross-platform

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160+
In-house developers
600+
Mobile apps delivered
100+
Satisfied clients
2012
Building apps since
Trusted by enterprise teams worldwide
In short

Orion eSolutions is a CMMI Level 3 and ISO 27001 certified mobile app development company that has built apps since 2012. We build native iOS (Swift), native Android (Kotlin) and cross-platform apps (React Native, Flutter). An MVP typically takes 4–6 weeks of UX and 2–3 months of development, you own the full source code, and every launch includes 60 days of free support.

Last updated · Reviewed by Orion’s mobile engineering team

What we build

iOS, Android and cross-platform app development services

From platform-native builds to a single cross-platform codebase, with one team from wireframe to app-store launch.

01

Mobile App UI/UX Design

Research-led interface design for a seamless experience across platforms.

02

Native iOS Development

Secure, high-performing Swift apps tuned to the latest platform releases.

03

Native Android Development

Kotlin apps that run cleanly across OS versions and device fragmentation.

04

Flutter Development

One codebase for iOS, Android and desktop without losing native feel.

05

React Native Development

Cost-efficient cross-platform apps for any business vertical.

06

Ionic Development

Angular and Cordova combined for feature-rich cross-platform delivery.

Choosing the architecture

Native or cross-platform? We choose based on the product.

The right architecture depends on performance, platform requirements, budget and long-term product plans, so we recommend the approach that suits your product.

Native development

Best suited for
  • Maximum platform performance
  • Deep device integration
  • Platform-specific user experiences
  • Complex or highly specialised applications

Cross-platform development

Best suited for
  • Faster multi-platform delivery
  • Shared product experiences
  • Efficient maintenance
  • Products with aligned iOS and Android requirements
Factor
Native
Cross-platform
Performance
Highest ceiling
Strong for most apps
Time to market
Two codebases, slower
One codebase, faster
Platform-specific features
Full, immediate access
Via libraries or native modules
Initial investment
Higher
Lower
Long-term maintenance
Two apps to maintain
Shared updates and QA
We recommend the architecture after understanding the product, users and roadmap.
Factor
Native (Swift / Kotlin)
React Native
Performance
Direct access to platform APIs and GPU, the ceiling for graphics- or animation-heavy apps.
Very good for most apps; the bridge layer matters only for the heaviest workloads.
Development speed
Two separate codebases (Swift + Kotlin), so slower to reach both platforms.
One codebase ships iOS and Android together, so both platforms reach users sooner.
Cost
Higher, effectively building and maintaining two apps.
Lower: one team, one codebase, shared QA effort.
Platform feel & polish
Matches each platform’s conventions exactly, out of the box.
Close, but platform-specific polish sometimes needs native modules.
Hardware & AR access
Full access to ARKit/ARCore, Bluetooth, camera pipelines, background processing.
Good via libraries and native modules, with occasional gaps on the newest APIs.
Best fit
Games, AR/VR, camera-heavy or performance-critical consumer apps.
Content, commerce, internal tools and business apps where speed to market matters.
Delivered work

Apps we have actually shipped

Live in the app stores, not renders. Named references available under NDA.

lyfe md
Healthcare Cross-platform

LyfeMD

Digestive-health management, pairing nutrition and lifestyle guidance in one patient-facing app.

.NET Core Angular
sneaker-con
Marketplace iOS

Sneaker Con

A two-sided sneaker marketplace with seller listings and buyer payments, on AWS Serverless with Stripe Connect.

iOS Java AWS Serverless
head-sup-for-tails
E-Commerce Cross-platform

Heads Up For Tails

A pet e-commerce companion app spanning a wide catalogue of dog and cat products.

Shopify Flutter
lifeguard
Public health iOS & Android

Lifeguard

A safe-consumption app for BC Emergency Health Services, giving users a one-tap line to BC Ambulance with precise GPS location.

iOS Android
Industries served

Apps built for the sector they serve

Domain fluency shortens discovery and avoids the rework that comes from generic assumptions.

Healthcare

Patient-facing and clinical apps where access control, audit trails and reliability are non-negotiable.

Finance

Secure mobile banking, payments and wallet experiences with traceable transaction flows.

eCommerce

Shopping apps connected to catalogue, stock, payments and fulfilment in real time.

eLearning

Course delivery, offline content and progress tracking built to hold up under peak load.

Logistics

Driver, dispatch and tracking apps that keep working on poor connections in the field.

Marketplaces

Two-sided platforms with onboarding, matching, messaging and in-app payments.

AI in your app

AI features built into mobile apps

We add AI where it makes the app more useful, and test it on your own data before release.

In-app assistants

Chat or search that answers from your own content, with sources.

Voice features

Speech input and voice agents that complete tasks hands-free.

Personalisation

Recommendations and content that adapt to each user.

Document and image understanding

Read receipts, forms or photos from the camera. On-device where privacy or offline use matters.

In production: WellBeing Navigator, our own AI coaching app · VoAgents voice agents See AI development
Technology stack

Technology chosen around your product

We select the architecture and tools based on performance, scalability and long-term maintainability.

Mobile

Native and cross-platform applications.

Swift Kotlin Flutter React Native Ionic

Backend & APIs

Scalable services and connected systems.

Node.js .NET Core Java GraphQL REST APIs

Cloud & Delivery

Infrastructure, deployment and release automation.

AWS Azure Firebase CI/CD Fastlane

Data & Integrations

Data platforms and connected services.

PostgreSQL MongoDB Stripe Shopify Push notifications Product analytics
Don't see your technology?

We work with the stack your product requires.

Discuss your stack
How we engage

Choose how Orion joins your delivery

Select the level of ownership, continuity and flexibility that fits your app roadmap.

Client-led

Staff augmentation

iOS, Android or cross-platform specialists join your existing team and work inside your process.

Best when
You need a specific capability gap filled
Delivery ownership
You own priorities, workflow and release
Commercial basis
Monthly rate per engineer
Typical start
Days, once profiles are approved
Request a specialist
Shared delivery

Dedicated app team

A stable design and engineering team works continuously on your app roadmap and releases.

Best when
The app ships on a regular release cycle
Delivery ownership
You own direction; Orion owns continuity and technical oversight
Commercial basis
Monthly rate per engineer
Typical start
Two to three weeks to full pace
Build a dedicated team
Orion-led

Fixed-scope build

Orion takes an agreed scope, MVP or full app, through to store release and acceptance.

Best when
Requirements are bounded and testable
Delivery ownership
Orion owns scope, milestones, quality and release
Commercial basis
Fixed price per milestone
Typical start
After discovery sign-off
Scope a build
Senior talent you can verify
CVs and interviews before anyone joins your team.
Planned continuity and handover
Replacements proposed early, with a paid overlap so context survives.
North American working-hour overlap
Toronto and offshore teams share your business hours daily.
Security & compliance

Security built into every engagement

Clear controls for your code, data and delivery team, ready for procurement, InfoSec and app-store review.

Secure delivery

  • Peer-reviewed code and automated dependency scanning
  • Separate development, staging and production environments

Protected data and access

  • Encryption in transit and at rest, least-privilege access
  • Secure key storage and managed store credentials

Commercial safeguards

  • Mutual NDA and IP assignment before work starts
  • Controlled onboarding and offboarding of team members
ISO/IEC 27001 CMMI Level 3 Audit trails App-store compliance support
Request the security pack Policies, controls and questionnaire support available during procurement.
How we work

Our mobile app development process

UX first, then development: typically 4–6 weeks of UX and 2–3 months of development for an MVP.

01

Discover

Goals, audience and platform choice agreed in writing.

02

Wireframe

Flows and screen structure mapped before visual design.

03

Design

UI reviewed against the wireframes and brand.

04

Build

Development in visible, reviewable sprints.

05

Test

Device, OS-version and store-guideline QA.

06

Launch

Store submission, then warranty and support.

Governance & support

Clear ownership from kickoff through launch

Know who owns delivery, what is happening next and how risks are handled through to store release.

01
Kickoff

Named delivery owner

One accountable lead for scope, quality, risk and escalation.

02
Delivery

Visible progress

Shared access to the board, repository, builds and sprint reporting.

03
Governance

Clear decisions

Regular demos, written status updates and an agreed escalation path.

04
Launch & support

Structured handover

Store submission, documentation, knowledge transfer and an agreed support plan.

Why Orion

Product thinking backed by accountable delivery

The engineering standards and commercial clarity behind every app we take to the store and support after launch.

01

Product-led engineering

User needs, business goals and technical constraints are weighed before the architecture is chosen.

02

Native-quality performance

Startup time, battery use and offline behaviour are treated as requirements, not post-launch tuning.

03

Accountable delivery ownership

One delivery lead owns priorities, communication, risk and release readiness through to store approval.

04

Your code. Your IP.

Source code, design files and store accounts transfer to you on delivery, with no vendor lock-in.

Frequently asked

Questions buyers ask us

Anything not covered here, ask us directly and we’ll answer within a business day.

600+ apps delivered since 2012
160+ in-house developers
Toronto-anchored delivery
Source-code ownership on delivery

It depends on the product. Native suits performance-critical, hardware-heavy or platform-specific apps; cross-platform suits products with aligned iOS and Android requirements where speed to market and shared maintenance matter. We recommend after understanding the product, users and roadmap.

UX typically runs 4–6 weeks and development another 2–3 months for an MVP, depending on complexity, covering build, QA and store submission.

Yes. We start with goals, audience and platform choice agreed in writing, then wireframes and screen structure before any visual design or code.

Yes. We prepare builds against current App Store and Play Store guidelines and manage submission through to approval.

You get 60 days of free support after going live, then a time-and-material or on-demand maintenance arrangement, whichever fits your release cadence.

Cost depends on four things: the number of screens and user roles, whether you need native or cross-platform, the integrations and back-end work involved, and how much design and QA the product needs. After a short discovery call we give a fixed-scope estimate or a team-based monthly cost, whichever fits how you want to work.

Yes. We build in-app assistants, voice features, personalised recommendations and document or image understanding, using OpenAI or Claude models hosted on Azure or AWS, or smaller on-device models where privacy or offline use matters. Every AI feature is tested on your own data before release.

Yes, in full. Code is set up on your own repositories with a code-quality report on delivery, and there is no ongoing dependency on us to keep the app running.

Let’s talk

Looking to build an app people actually use?

Tell us what you’re building, where you are today and what a successful launch looks like.

Discuss your app

Awards & Recognitions

GOCI
Brampton Board Of Trade
Toronto Region Board Of Trade
Orion eSolutions is ISO 27001 certified for information security management
GoodFirms Logo
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Privacy Policy

At Orion eSolutions, accessible from https://orionesolutions.com, one of our main priorities is the privacy of our visitors. This Privacy Policy document contains types of information that is collected and recorded by Orion eSolutions and how we use it.

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Under the CCPA, among other rights, California consumers have the right to:

Request that a business that collects a consumer’s personal data disclose the categories and specific pieces of personal data that a business has collected about consumers.

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Request that a business that sells a consumer’s personal data, not sell the consumer’s personal data.

If you make a request, we have one month to respond to you. If you would like to exercise any of these rights, please contact us.

GDPR Data Protection Rights

We would like to make sure you are fully aware of all of your data protection rights. Every user is entitled to the following:

The right to access – You have the right to request copies of your personal data. We may charge you a small fee for this service.

The right to rectification – You have the right to request that we correct any information you believe is inaccurate. You also have the right to request that we complete the information you believe is incomplete.

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The right to object to processing – You have the right to object to our processing of your personal data, under certain conditions.

The right to data portability – You have the right to request that we transfer the data that we have collected to another organization, or directly to you, under certain conditions.

If you make a request, we have one month to respond to you. If you would like to exercise any of these rights, please contact us.

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Another part of our priority is adding protection for children while using the internet. We encourage parents and guardians to observe, participate in, and/or monitor and guide their online activity.

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