Hrum Tech

App Development

Mobile & cross-platform apps built to scale to thousands of users

From voice-enabled mobile apps to internal tools, we build cross-platform applications that ship fast and hold up under real user load. Our team has shipped consumer apps that scaled past 7,000 active users across iOS and Android.

iOS & Android from a single codebase
Real-time features: voice, chat, notifications
Offline-first & low-latency architectures
App Store & Play Store launch support

What You Get

  • Cross-platform mobile app (React Native / Flutter)
  • Secure API & backend services
  • Push notifications, real-time sync, offline support
  • App store submission & release management
  • Post-launch monitoring & crash reporting

Tech Stack

React NativeFlutterFastAPIFirebaseAWSWebSockets

Our Process

01

Product Scoping

Define the MVP feature set and technical constraints with you.

02

Prototype

Interactive prototype to validate flows before full development.

03

Build

Iterative sprints with weekly demos on real devices.

04

Ship & Support

Store submission, monitoring, and post-launch iteration.

Frequently Asked

Have you shipped apps to production before?

Yes — including a voice-enabled legal-tech app that scaled to 7,000+ active users across Google Play and the App Store.

Do you support real-time / voice features?

Yes, we've built real-time audio pipelines and voice agents with sub-second latency.

Ready to start your app dev project?

Tell us your goals and timeline — we'll get back to you within one business day.