David Arthur Software

Thoughtful apps that respect your privacy.

Designed for everyone. Simple, honest software you can trust.

Our Apps

DuoVox

Built for professional interpreters and anyone in a two-language conversation: real-time captions and translation across 49 languages.

Windows

Windows — available now on the Microsoft Store

QuietTime

Simple screen time control that respects your family's privacy. No accounts, no cloud, no tracking.

Android Windows

CCTV Converter

Convert and view Chinese CCTV camera files. Xiongmai, Dahua, Hikvision and 20+ file types in all. Free, no ads, no accounts.

Windows Free

Why Our Apps Are Different

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Privacy by Default

We collect only what's needed to deliver the service. We don't sell your data or build advertising profiles, and when an app needs cloud processing, we explain what's sent and why.

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No Accounts Required

You don't need to create an account, hand over your email, or sign in with Google. Download the app and start using it immediately.

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Offline First

Many features work without an internet connection, using on-device processing, so you can keep working offline.

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Small Team, Big Care

We're a small studio where every app is designed, built, and supported by the same team that writes the code. You're never just a ticket number.

About David Arthur Software

We build tools that solve real problems without compromising your privacy. Our apps are designed to be simple, honest, and respectful of your time and data. We believe good software shouldn't require you to trade away your personal information.

Questions or Feedback?

We'd love to hear from you.

Get in Touch