banshii

We craft apps, extensions, and games with obsessive attention to detail. Bold ideas, polished execution, digital experiences that stick.

From productivity tools that sharpen your workflow to games that keep you on the edge of your seat, banshii builds software people actually want to use. We sweat the small stuff so every tap, swipe, and interaction feels right.

3+
Apps & Extensions
4
Games
Attention to Detail

Tools That Work as Hard as You Do

Productivity apps designed to get out of your way and let you focus on what matters.

CogniFlow

CogniFlow

Subject-aware flashcards powered by spaced repetition science. Different study methods for languages, STEM, and more — with scheduling that adapts to your brain.

Birdseye

Birdseye

Your travel expense companion. Track trip spending, split costs with groups, scan receipts, and convert currencies — all stored locally on your device.

Power-Ups for Your Browser

Lightweight tools that supercharge your everyday browsing experience.

PDF Toolkit

PDF Toolkit

Merge, convert, compress, and split PDFs directly in your browser. All processing happens locally — your files never leave your device.

Play Something Different

From casual fun to heart-pounding thrills — games built to keep you coming back.

High As A Clown

High As A Clown Available Now

Tilt to steer, tap to boost. Rise through Carnival, Clouds, and Space — collecting balloons and dodging obstacles. Reach the ISS to win!

The Rush Hour Coming Soon

Navigate the chaos. Beat the clock in this adrenaline-pumping challenge where every second counts.

Run From Me Coming Soon

Can you escape? A heart-pounding pursuit through shifting environments where hesitation means game over.

Cryptid Hunter Coming Soon

Track the legends. Explore uncharted wilderness and uncover creatures of myth that don't want to be found.

Got an Idea? Let's Make It Real.

We build custom apps and games for clients who want quality that stands out. Tell us about your project.