Trusted by 300+ global clients
Halo Lab works with startups, software companies, and large enterprises, bringing product, design, and engineering together around the mobile experience.
Typical timeline for a focused mobile app project from scope to launch
3–4 mos
Digital products and platforms delivered for companies across industries
500+
What can hold your mobile app back
Slow apps lose users
Slow screens and unstable interactions make users less likely to return.
Device-specific issues
Screen sizes, hardware, and OS versions can expose unexpected problems.
Updates introduce bugs
Platform changes can break features, integrations, or layouts over time.
What we deliver
Mobile app development across every layer
iOS app development
Build native iOS apps in Swift with UIKit or SwiftUI, with everything prepared for App Store submission.
Android app development
Build native Android apps in Kotlin with Jetpack Compose, tuned for performance and ready for Google Play.
Front-end development
Develop the client side of your mobile product: screens, navigation, and interactions that match the design.
Back-end development
Engineer the server side of your mobile app, with the databases, logic, and security that keep it stable.
API development
Connect your mobile app to its back end and to third-party services such as payments, auth, and analytics.
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OmniBuds
RebrandingBrand IdentityLogo Design
New brand identity and digital ecosystem for an ear-worn health platform
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Pluto
Strategy & PositioningBrand IdentityLogo Design
Transforming a regional fintech into a globally positioned spend management platform.
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Stay
Brand IdentityLogo DesignMarketing Support
Rebranding an insurance brokerage into a modern digital experience for expats.
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Relocate Now
Brand IdentityLogo DesignBrand Guidelines
From emergency team augmentation to a long-term product design partnership.
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1
Discovery & planning
We research the market, competitors, and target audience, then define requirements, prioritize features, and assess technical viability.
1–2 weeks
Requirements & priorities
2
UX/UI design
We map user flows, create wireframes and prototypes, then refine the interface through usability testing before development.
2–4 weeks
Wireframes & prototypes
3
Development & integration
Our developers build the interface and animations, connect APIs and databases, and implement the server logic and security measures.
7–9 weeks
Integrated app build
4
Testing & release
We run functional, integration, performance, and security testing, prepare the build, and submit it to the App Store and Google Play.
1–2 weeks
Tested app & store submission
5
Support & improvement
We fix bugs, release updates, monitor performance, and use feedback to improve the app as user needs and technology evolve.
Ongoing
Bug fixes & app updates
Our key advantages
Why choose Halo Lab for your mobile app
Platform-native quality
Design follows Apple and Google conventions for a familiar experience.
Performance before release
We test startup time, memory, and battery use before the app reaches users.
Cross-platform when it fits
React Native and Expo allow one shared codebase for iOS and Android.
Clear technical handoff
Docs and architecture guidance help your team take over without guesswork.
AI with expert oversight
We use AI where it speeds delivery, with specialists reviewing production work.
Transparent collaboration
We work in your Slack and Jira, keeping progress and priorities visible.
100+ verified
love letters
“Their code is well-organized, easy to follow, and rarely do we have to go back-and-forth about bugs.”
“Halo Lab has been a cornerstone of OmniBuds from the very beginning. I deeply value the way they listen, learn, adapt, and consistently deliver best-in-class work.”
“Working with Halo Lab on Rytmo was a deeply creative partnership. They turned a complex health-sensing idea into a clear design that truly reflects our research vision — thoughtful, precise, and beautifully human.”
“Their responsiveness, collaborative workflow, and ability to stay strictly on schedule made the project seamless and highly successful.”
“Thanks to Halo Lab’s work, we were able to have an effective UX flow and beautiful UI, which represents our vision of the application.”
“The Halo Lab team designed our app, and the reaction was great from the people we showed it to — our internal people loved their work.”
Success breeds success
13 years
We’ve built one of the most trusted agencies
150+
Specialists in design, engineering & product management
78%
Returning clients in Europe & North America
Quick answers to questions you may have
How to choose a mobile app development platform?
What team do you need to build an app?
Which software is best for mobile app development?
What is the average duration of a mobile project?
