Top 50 Mobile App Development Company
We help you launch and grow mobile products powered by engineering excellence across iOS, Android, and cross-platform solutions.
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What comes next?
01
Submit the form
02
Get a response within 12 hours and schedule a call with
a Techstack expert
03
Sign an NDA to protect your idea (If needed)
04
Discuss your goals, priorities, and key requirements during the consultation
05
Get expert insights and answers to your questions
06
Receive an action plan with clear next steps and proposal
Our Trusted Partnerships
Why Choose Techstack
We deliver engineering with product ownership—aligned with your strategy, with top US-market quality standards and low tolerance for poor solutions.
200
+ specialists
Our team unites experts in engineering, design, AI/ML, and product strategy—giving you cross-disciplinary knowledge to cover the entire product journey, from concept to scale.
10
+ years
We’ve spent over a decade assembling and growing engineering teams from the ground up, ensuring the right mix of skills and processes for sustainable product delivery.
60
% of our clients
Work with us for 5+ years. We integrate into their processes, share ownership, and invest in long-term success as if it were our own.
15
+ industries served
From energy and manufacturing to logistics, fintech, and healthtech, we apply domain-specific expertise to help each client meet their unique operational and market needs.
5.0
Clutch rating
Recognized for strategic partnerships built on engineering excellence, transparent collaboration, and long-term delivery success.
What Our Clients Say
They are an example of a successful engineering organization that is product-focused, agile, leveraging modern methodologies.
Arila Barnes
Managing Director of AXM Software LLC
All the engineers were professional and they even went a little bit beyond what we expected.
Ragnar Martens
Co-Founder & Chief Product Officer, SkillLab
Success Stories
Social reading platform for book lovers
Entertainment
United States
A US-based company needed to rapidly validate their social reading platform concept. In just six months, we delivered a visually captivating, high-performance app that connects readers with customized recommendations and interactive features while ensuring smooth scalability for future growth.
Developed a cross-platform mobile app with virtual bookshelves and smooth animations
Built an AWS serverless architecture that minimizes costs during low-traffic periods
Integrated OpenAI-powered recommendation engine for personalized book suggestions
Created smart caching for book data to overcome API rate limitations
Implemented analytics through Amplitude and Sentry for data-driven improvements
Mobile social network for sports fans
Entertainment
United States
A San Francisco company needed to transform their struggling sports fan platform with poor code quality and missed deadlines. We delivered a revolutionary iOS application that enables fans to share videos, message each other, and trade blockchain-based collectibles (NFTs) while reducing infrastructure costs by 30%.
Reimagined user experience with intuitive flows and high-fidelity prototypes that attracted investor interest
Implemented serverless architecture and infrastructure-as-code using Terraform to enhance reliability
Created isolated availability zones to prevent cascading failures across application components
Built a centralized data warehouse for consistent resource management across Sendbird, Twilio, and Zoom
Optimized development processes, enabling smooth scaling of the distributed international team
Fundraising platform with scalable microservices architecture
Digital Transformation
United States
A US-based fundraising startup needed to scale its platform to support exponential growth, frequent pivots, and high-volume seasonal traffic. Over 7 years of collaboration, we transformed their MVP into an enterprise-grade system serving 400,000+ daily visitors and processing millions of transactions.
Built AWS Lambda microservices, keeping infra costs under 0.2% of revenue
Designed ReactJS/NextJS frontend with S3 + CloudFront, reaching 99/100 PageSpeed score
Delivered a React Native MVP in 2 weeks, now with 1M+ downloads
Achieved 90%+ test coverage on critical logic to support 2–3 weekly deployments
Added SMS-based passwordless auth and fraud prevention for secure transactions
Automated CI/CD with zero-downtime deployments to scale multi-team delivery
What You’ll Get With Techstack
A partner in confidently building, scaling, and evolving software products — equipping your teams to move faster and adapt with confidence.
User-focused design
Interfaces shaped by real user testing and data, ensuring adoption across iOS, Android, and cross-platform.
Faster time-to-market
Prioritized backlogs, clear user stories, and rapid MVPs let you see outcomes early. CI/CD pipelines keep releases consistent.
Technical excellence
Cross-industry expertise, scalable architectures, and solid integrations with AI, cloud, and IoT.
Business growth
Apps designed to improve retention, engagement, and revenue impact in your market.
Reliable partnership
Proactive in spotting risks and opportunities, we work as one team with you — transparent in process, focused on outcomes, and ready to scale as your product grows.
Get Your Mobile App Quote
Anton Ivanchenko
Business Development Manager at Techstack
Looking for a standout mobile experience? Let’s discuss what your app could look like and how we can make it happen.
What’s Next?
01
Get a confirmation email within 12 hours
02
Meet with Anton to explore your opportunities