Mobile App Development Studio
We design & build mobile apps that people love
From concept to the App Store — one team that handles design, development, backend, and launch so you can focus on growing your business.
What We Do
Built for mobile, end to end
Mobile is our specialty. Every service we offer is designed to support the creation of exceptional mobile experiences.
10+
Services offered
98%
Client Satisfaction
12 wk
Avg. Time to Launch
Mobile App Development
Cross-platform and native iOS & Android apps built with care. From intuitive onboarding flows to complex real-time features — we craft mobile experiences that feel fast, look polished, and keep your users coming back.
- Native & cross-platform (Kotlin Multiplatform, Compose Multiplatform)
- App Store & Google Play optimization
- Offline-first & real-time capabilities
- Push notifications & in-app purchases
Product Design & UX
Mobile-first UI/UX design, wireframes, and high-fidelity prototypes that make your app intuitive and beautiful from the first tap.
Web Development
Responsive web applications, landing pages, and admin dashboards that complement your mobile app ecosystem.
Backend & API Engineering
The engine behind your app — scalable APIs, authentication, real-time services, and third-party integrations that power your product reliably.
Launch & Growth Support
From App Store submission and analytics setup to post-launch iterations, we stay with you to ensure your app finds market fit and grows.
Our Products
Apps we’ve built and launched
We don’t just build for clients — we create our own products too. Here’s what we’ve shipped.
SoulSpeak
iOS & Android
Your Daily Soul Conversations
Daily affirmations matched to your mood. Personalized voices, curated playlists, and a calming morning ritual — designed to help you start every day with intention.
- Personalized affirmations based on your mood
- Customizable voices & ambient soundscapes
- Daily check-ins & curated playlists
- Built natively with Compose Multiplatform
Shalomly
Coming SooniOS & Android
Sanctify Your Day with Jewish Spiritual Practice
A daily Jewish spiritual companion that helps you build meaningful daily anchors through guided morning blessings, daily Tehilim, weekly Torah study, and Mussar character refinement.
- Guided morning blessings (Birchot Hashachar)
- Daily Tehilim with audio listening
- Weekly Torah Parashah summaries & insights
- Mussar character refinement & affirmations
- Gentle reminders to build consistent practice
Middah of the Day
Savlanut (Patience)
“Calm your breath and speak with softness. When we choose patience, we elevate our interactions and reflect the divine.”
Who We Are
Wings your vision needs
Mission
Our Mission
To be the mobile app team behind ambitious founders and businesses. We exist so that you can go from app idea to App Store launch without juggling multiple agencies. One team, one vision, one delivery — design through deployment.
- Own every layer of your mobile product — design, frontend, backend, infrastructure
- Treat every project as a true partnership, not a contract
- Ship polished, production-ready apps — not throwaway prototypes
Vision
Our Vision
To become the go-to mobile app studio for businesses worldwide. We see a future where every founder — regardless of technical background — can bring a beautifully crafted mobile app to market with a team that cares as much as they do.
- Make world-class mobile app development accessible to every business
- Set the standard for speed, quality, and craftsmanship in app delivery
- Help businesses compete and grow through superior mobile experiences
Client Stories
Trusted by founders who demand excellence
Partnering with Harpyx increased our team's output and helped us take on more client projects. Their execution quality and smooth collaboration made delivery faster and easier.
Jelica
Co-Founder, Yellica LLC
Harpyx is straightforward to work with. Communication is clear, they follow through on commitments, and they stay flexible as requirements evolve. We've seen steady progress and measurable results.
Janko Jankovic
CEO, JCurveAdvertising
Working with Harpyx gave us a reliable execution partner. They communicated clearly, solved problems fast, and consistently delivered work that matched our business goals.
Nikola Stankovic
Co-Founder, Anaska Group
Let's Build Your App
Book a free 30-minute consultation
Tell us about your mobile app idea, and we will schedule a free 30-minute consultation to discuss goals, platform strategy, and the right next steps.
Or email us directly at contact@harpyx.com