Software That Works.
Minds That Grow.
We build software products people actually use, help ambitious businesses ship faster, and give kids the tools to become the builders of tomorrow.
Products. Services. Education.
Software Products
We don't just build for clients — we build for the world. InterviewHQ and ExpenseTracker are our own products, used by tens of thousands of people solving real problems every day.
Learn moreClient Services
From web applications to brand identities, we partner with businesses ready to build something serious. Clean code, sharp design, zero compromise.
Learn morePhenyx Education
Every child deserves the tools to build with technology, not just consume it. Through our interactive learning platform and coding books for kids aged 6 to 14, we're turning curiosity into real skills.
Learn moreBuilt by Us. Used by Thousands.
We eat our own cooking. These are our own products — live, growing, and solving real problems.
InterviewHQ
Live ProductPractice interviews. Land the job.
InterviewHQ puts you in a real interview before the real one. Practice with AI-powered voice calls that simulate technical and behavioral interviews at top companies — with feedback that tells you exactly where you stood. Built for software engineers who are done hoping and ready to prepare.
ExpenseTracker
Live ProductYour money. Finally under control.
Total Expenses
₦124,500
Budget
₦200,000
ExpenseTracker brings your entire financial life into one clean dashboard — budget planning, expense tracking, subscription management, and invoice generation all in one place. No spreadsheet juggling, no switching between apps. One clean product for your entire financial life.
We Build. We Design. You Grow.
Whether you need a product built from scratch or a brand that finally looks as good as it performs, we've got the team and the taste to make it happen.
Software Development
- Custom web application development (React, Next.js, Node.js)
- Mobile application development
- API development and third-party integrations
- Database architecture and backend infrastructure
Brand Design
- Logo design and visual identity systems
- Brand strategy, positioning, and guidelines
- UI/UX design for web and mobile products
- Marketing collateral and digital design assets
The Next Generation of Builders Starts Here.
Phenyx Education is our initiative to give every curious child the tools to build with technology — not just use it. Through our interactive learning platform and coding books designed for kids aged 6 to 14, we're turning curiosity into real, lasting skills.
Starter Quest
Available Now
Game Design Studio
Coming Soon
Animation Lab
Coming Soon
AI Curiosity Camp
Coming Soon
Music Tech
Coming Soon
Entrepreneurship
Coming Soon
Digital Citizenship
Coming Soon
Pixel Universe
Coming Soon
Data Detectives
Coming Soon
Robot Builders
Coming Soon
Ready to Build Something That Lasts?
Whether you have a product idea, a brand that needs sharpening, or a child who's ready to start coding — there's a place for you at Phenyx.
Let's Get Started