Devnixx Ltd builds and publishes its own mobile and Mac apps, from a subscription fitness app on iOS and Android to an AI-assisted screen recorder for macOS.

Apps we build, own, and publish ourselves
Our flagship app: military-style bodyweight training plans with guided video workouts, coach voice, and progression tracking. Available in 20 languages.
A native Mac screen recorder with on-device AI that zooms in on every click, glides the cursor, frames your camera, and blurs anything private, all before you open an editor.
Turns a photo of a math problem into a clear, step-by-step answer in seconds.
Identify birds in seconds from a recorded song or a photo.
Build a professional, recruiter-ready resume PDF in minutes from ATS-friendly templates.
A GPS speedometer and trip recorder for driving, cycling, and walking.
Our iOS apps are published on the App Store under our founder's developer account, Tawhid Joarder.
Devnixx Ltd is a bootstrapped product company founded in 2025 by Tawhid Joarder. We build and publish our own mobile and Mac apps, including our flagship subscription fitness app, Military Calisthenics Men, and Framecast, a native Mac screen recorder with on-device AI.
Our products are used by thousands of people worldwide. We focus on creating intuitive, scalable solutions with exceptional user experiences, and we use AI both inside our products and throughout how we build them.
Building products users love and trust
Pushing boundaries with modern technology
Every feature starts with user needs
Founded, UK-registered
Live Products
Languages in Our Flagship App
Platforms: iOS, Android, macOS
Find answers to common questions about our products and services
Devnixx Ltd is a product company, registered in England and Wales (company no. 16737434) and founded in September 2025. We build and publish our own mobile and Mac apps.
Our live products are Military Calisthenics Men (iOS and Android), Framecast (macOS), SnapSolver, BirdNote, ResumeFlow, and SpeedGo (iOS). See the Products section above for store links.
Yes, while we primarily focus on building our own products, we partner with select clients who have innovative ideas and share our commitment to quality. We offer end-to-end custom development for mobile apps and web platforms.
We use React Native, Swift, React, and Next.js on the front end, Node.js and TypeScript on the back end, Firebase and Cloudflare for infrastructure, and Claude Code throughout our development.
If you have a product idea or need custom development, reach out through our contact form. We evaluate partnership opportunities based on innovation potential, market fit, and alignment with our technology expertise.
Yes. All our products get ongoing support and regular updates. We continuously improve them based on user feedback. Reach us at contact@devnixx.com.
Ready to start your next project? Let's discuss how we can help
contact@devnixx.com
Business enquiries & product support
+44 7853 737761
Mon-Fri: 9:00 AM - 6:00 PM