JJumbox Studio

Simple, secure,and useful mobile apps.

Lightweight Android experiences for daily utilities, privacy, and cleaner digital routines.

What we build

Focused mobile tools for everyday digital tasks.

We keep the product surface clear, fast, and practical, with privacy practices users can understand.

Practical mobile apps designed to solve everyday problems with simple and reliable experiences.

Clear data usage, minimal permissions, and transparent privacy practices across our applications.

Mobile experiences optimized for Android devices and published through trusted app distribution channels.

Featured app

Saldo Tap helps users check balances and transaction history from supported Indonesian e-money cards using NFC-enabled Android devices.

Saldo Tap

Utility / NFC / Finance Utility