We build useful products for everyday life.

A focused studio shipping Android apps and developer tools — utility-first products with clean design and thoughtful engineering.

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About

A designer and developer, building what people actually use.

We're a small studio — a designer and a developer — building Android apps and developer tools that solve everyday problems. From mobile utilities on Google Play to PureDevKit for developers, our focus is utility-first.

Every product we ship is built with clean UX, minimal interfaces, and zero clutter. Whether it's a mobile app on Google Play or a full web platform, we believe in doing one thing well — tools that respect your time and work the way you expect.

Our Products

Platforms and tools we build & run.

Beyond mobile apps — we ship developer tools used every day.

Developer Tool

PureDevKit

Every developer utility, in one place

114+ free online developer tools — format JSON, debug JWTs, generate cron expressions, build store assets, and ship faster without switching tabs.

114+
Tools
10+
Categories
None
Account
Free
Cost
  • JSON, YAML, XML, CSV formatters & converters
  • JWT debugger, regex tester, cron builder
  • QR codes, app icons, screenshot studio
  • No account required — fast to open
View detailsVisit site
Android Apps

Apps that solve real problems.

Utility-first Android apps — 12 live on Google Play, built with clean design and thoughtful engineering.

RapidNotes icon

RapidNotes

Quick Notes, Lists & Ideas

  • One-tap note creation with a clean writing experience
  • Search, categories, filters, and pin important notes
  • Lock, hide notes, and secure the app with app lock
Learn moreGoogle Play
Photo Gallery icon

Photo Gallery

Album Manager

  • Full-screen viewer with zoom, swipe & GIF support
  • Photo editor with filters, crop, and adjustments
  • Albums, Favorites, Smart Trash & bulk operations
Learn moreGoogle Play
Fuel Mate icon

Fuel Mate

Daily Fuel Prices

  • Daily Petrol, Diesel & CNG rates for your city
  • Fuel calculator for trip cost planning
  • Compare prices across 500+ cities in India
Learn moreGoogle Play
Apps Uninstaller icon

Apps Uninstaller

Storage Optimiser

  • Batch uninstall multiple apps at once
  • Sort by name, size, or installation date
  • Detailed app info — storage, RAM, version
Learn moreGoogle Play
Squeeze: Video Compressor icon

Squeeze: Video Compressor

Up to 90% Smaller

  • Quality presets, target size or custom bitrate
  • Batch compress with live progress
  • See the estimated size before you start
Learn moreGoogle Play
Tonik: Video to MP3 Converter icon

Tonik: Video to MP3 Converter

Extract Audio, On-Device

  • MP3, M4A, WAV, FLAC and OGG output
  • Trim with a waveform, precise to 0.1 s
  • Cover art, title and artist embedded automatically
Learn moreGoogle Play
View all 12 appsKas group on Google Play
Our Philosophy

Why we build this way.

Minimal Interfaces

We strip away everything that doesn't serve the user. No clutter, no unnecessary screens — just clean, purposeful design.

Fast Performance

Our apps are built to be lightweight and snappy. They launch fast, respond instantly, and never waste your time.

Built for India

Designed with Indian users in mind — optimised for varied devices, network conditions, and real-world usage patterns.

Purposeful Design

Every feature earns its place. We practice restraint — building only what's needed and making sure it works flawlessly.

4.0★
Avg. Rating
1,000+
Active Users
9+
Android Apps
114+
Dev Tools
Services

Let's build your next app.

Product Validation

We help you test your app idea with real users before you commit to a full build. Research, prototyping, and early feedback loops.

UI/UX Design

Clean, intuitive interfaces designed around user needs. We focus on simplicity, usability, and creating delightful mobile experiences.

Android Development

Native Android development with modern architecture. Fast, reliable apps built with Kotlin and the latest Android standards.

Play Store Launch

From store listing optimisation to launch strategy. We handle screenshots, descriptions, and everything needed to get your app live.

Have an idea? Let's talk.

We're always open to interesting projects and collaborations. Drop us a line and let's make something useful together.

voilabazar@gmail.com

We typically respond within 24 hours.