Web • All platforms
UXSIZER
SaaS tool to create strong UX estimates with 37 robust and professional methods. Professional estimation for your UX projects.
Apps that keep life on track.
XBR Digital is a French app studio (startup studio) building modern, secure, and privacy-first apps for desktop and mobile. We launch a new project every 3 months, crafting lightweight applications with clear design, robust security, and complete privacy—nothing bloated.
Apple • iOS / macOS
Google • Android
Windows • Store
Products
Modern, secure, and privacy-first apps—with more on the way.
Desktop • macOS / Windows
Kairos
A minimal, offline‑first project manager. Organize groups, projects, tasks, and subtasks—no account, no cloud required.
Mobile • iOS / Android
Coach Time
Plan sessions, track attendance, and keep clients on schedule. Built for coaches who value clarity and speed.
Mobile • iOS / Android
Pill Time
A digital pillbox with personalized reminders. Simple schedules, quiet notifications, and respectful privacy.
Built in France. Modern, secure, privacy-first.
We build modern applications with robust security and privacy by design. Fast performance, crisp typography, and sensible defaults. Your data stays on your device unless you choose otherwise.
Get in touch
Have a project idea or want to lead one of our projects? We launch a new project every 3 months. Want early access or to discuss distribution on Apple, Google, or Windows stores? Drop us a line and we'll get back quickly.