Mobile App DevelopmentiOS & Android
We design, build, and maintain iOS and Android apps for Canadian companies — React Native and native builds, backend and API work, store submission, and post-launch monitoring.
Trusted by 500+ brands since 2010
- Apps Shipped
- 90+
- Platforms Supported
- iOS + Android
- Avg Sprint Length
- 2 weeks
- Client Retention
- 95%

Our Process
How we deliver mobile app development
- 01
Define the Core Job
Workshops to cut the concept down to the one thing the app must do better than a website, plus technical discovery on integrations and platform requirements.
- 02
Design & Prototype
User flows, interface design, and a clickable prototype tested with real users before development, so scope arguments happen while they are still cheap.
- 03
Build & QA
Development in two-week sprints with builds you can install, plus device testing across the iOS and Android versions your actual users are running.
- 04
Launch & Support
Store submission, staged rollout, crash and analytics monitoring, and an ongoing support arrangement for updates and new feature work.
What's Included
What our mobile app development covers
Cross-Platform Builds
React Native and Flutter apps sharing one codebase across iOS and Android, which cuts build time and makes ongoing maintenance materially cheaper.
Native iOS & Android
Swift and Kotlin development when the app depends on device capability — background location, camera and sensors, offline sync, or deep platform integration.
Backend & API Development
The APIs, authentication, and infrastructure behind the app, built to scale and to integrate with the systems your business already runs on.
Store Submission & Compliance
App Store and Google Play submission handled end to end, including privacy nutrition labels, data safety forms, and account deletion requirements.
Canadian Privacy Compliance
Consent flows, data minimisation, and retention practices aligned to PIPEDA and Quebec Law 25, with Canadian data residency where your obligations require it.
Post-Launch Support
Crash and performance monitoring, staged rollouts, OS version updates, and a maintenance arrangement so the app does not decay after handover.

Selected Work
Work from our mobile app development team





Mobile App Development Guide
A deeper look
Mobile app development for Canadian businesses. We build native and cross-platform iOS and Android apps, ship them through App Store and Play review, and keep them healthy afterwards — because launch is the start of the work, not the end of it.
Read the full breakdownShow less
About our mobile app development service
Most app projects fail on scope, not on code. A team sets out to build everything the business can imagine, the timeline stretches, budget runs out before the app is good at anything, and it launches to indifference. TML runs the opposite process: we define the one job the app must do better than a mobile website, build that properly, ship it, and expand from real usage data. That discipline is the single largest determinant of whether an app survives its first year.
On technology, we choose based on the product rather than on fashion. React Native or Flutter handles the large majority of business apps well, sharing one codebase across iOS and Android and cutting both build and maintenance cost substantially. Fully native Swift and Kotlin is the right call when the app leans hard on device capabilities — sustained background location, heavy camera or sensor work, complex offline sync, or tight platform integrations. We will tell you which applies to your case before you commit.
The unglamorous parts are where projects actually get rescued or ruined: App Store and Google Play review, which rejects first submissions routinely for privacy declarations and account deletion requirements; crash monitoring and staged rollouts; and Canadian privacy obligations under PIPEDA and Quebec's Law 25 when the app collects personal information. We handle all of it, including data residency where you need Canadian hosting. Every engagement includes a support arrangement after launch. Pricing is quote-based and scoped per project.
Verified Google Reviews
350+ reviews
across 2 locations
What Our Clients Say.
02/Awards & partnerships
Awards from the industry. Trust from the platforms.
& certifications
Find us in your city
Choose a city to see our Mobile App Development services there — each city has its own local service page.
FAQ
Common questions
Should we build cross-platform or fully native?
Cross-platform for most business apps. React Native or Flutter gives you both platforms from one codebase, which typically reduces build cost and, more importantly, halves the ongoing maintenance burden. Go native when the app depends on sustained background processing, heavy camera or sensor use, complex offline synchronisation, or platform-specific integrations where the cross-platform bridge becomes the bottleneck. We assess this during technical discovery and give you a straight recommendation.
Do we actually need an app, or would a mobile website do?
A fair number of the app projects we are approached about would be better served by a fast progressive web app, and we say so. An app earns its keep when you need offline capability, push notifications as a core mechanic, device hardware access, or genuine repeat daily usage. If the honest answer is that you want an app because competitors have one, the money almost always performs better spent elsewhere.
How long does an app take to build?
A focused first version typically runs three to five months from kickoff to store approval: about a month of design and prototyping, two to three months of development in sprints, and several weeks for QA, submission, and review. Apps with complex backends, third-party integrations, or regulatory requirements take longer. Store review itself is usually days, but first submissions are frequently rejected on privacy declarations, so we budget for a resubmission cycle.
What happens after launch?
Work continues, and budgeting for it is not optional. iOS and Android ship breaking changes annually, libraries need updating, and crash reports need triaging. Every engagement includes a support arrangement covering monitoring, OS compatibility updates, and store compliance changes, with new feature work scoped separately as you learn from real usage.
How is app development priced?
Quote-based and scoped per project. We scope the first version against a defined feature set and give you a written statement of work with sprint plan and deliverables. Ongoing support and subsequent feature phases are scoped separately, so you are never committing to an open-ended build.

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