8 Apps on Google Play

Apps Built for
Real People

Productivity tools, readers, finance apps, and utilities — crafted with care by a solo indie developer in India.

View on Google Play Explore Apps ↓

8

Published Apps

Free

All Apps Free

4.2★

Top Rated

India

Made With ❤️

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⭐ Featured App

Scribu — Private Notes & Vault

Your most private thoughts, locked away safely. PIN & fingerprint protected notes that never leave your device.

Get AppFree · No account needed

Our Apps

Everything You Need,
Nothing You Don't

Simple, focused apps that respect your privacy and work offline.

Utility · Finance

All-in-one calculator with scientific, financial, and unit conversion modes. Beautiful glassmorphic design with full calculation history.

Scribu — Notes & Vault

Productivity · Privacy

Private encrypted notes with vault protection. PIN and fingerprint lock. Your notes never leave your device — total privacy guaranteed.

Books · Reader

Clean, distraction-free EPUB and PDF reader with bookmarks, night mode, and adjustable fonts. Read any book, any format.

Khasra Khatauni

Government · Land Records

Instantly access land record information (Khasra, Khatauni, Bhunaksha) for Uttar Pradesh and other Indian states. Updated for 2026–27.

Finance · Budgeting

Track EMIs, monthly expenses, and budgets in one place. Visual charts, loan calculators, and offline-first finance management.

Vyapar Calculator

Business · Finance

Business-grade calculator designed for traders, shopkeepers, and entrepreneurs. GST calculations, profit/loss, and markup tools built in.

Mo: Habit Tracker

Health · Lifestyle

Build lasting habits and keep a private journal. Daily streaks, reminders, mood tracking — all your self-improvement in one beautiful app.

Productivity · Files

Open any document instantly — Word, Excel, PowerPoint, PDF, and more. Lightweight, fast, and no account required. Your all-in-one file viewer.

About

One Developer,
Real Impact

Radon Developer is a solo indie developer based in India, building practical apps for everyday problems. Every app is designed to be fast, offline-first, and respectful of your privacy.

No bloat. No dark patterns. Just tools that work.

All Apps on Play Store Get in Touch

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Privacy First

Your data stays on your device. No accounts, no cloud sync unless you choose.

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Works Offline

Most apps work fully without internet. No connectivity required for core features.

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Always Free

All apps are free to download. Supported by non-intrusive ads, not paywalls.

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Made in India

Designed for Indian users, with Hindi support and local data like land records.