Calen360

Sync all your calendars with minimal effort

Calen360 — Calendar syncing platform integrating Google and Microsoft calendars

Product Overview

Product Overview

Calen360 is an appointment scheduling and calendar syncing platform that seamlessly integrates Google Calendar and Microsoft Calendar APIs. The platform eliminates the hassle of managing multiple calendars by providing a unified view and two-way sync across all your scheduling tools. Built with secure OAuth authentication for both Google and Microsoft accounts, and deployed on GCP with Docker containerization for scalability.

Calen360 — Calendar syncing platform integrating Google and Microsoft calendars

OBJECTIVES

Seamless Calendar Integration

Implement two-way sync with Google and Microsoft Calendar APIs for real-time availability across platforms.

Secure Authentication

Use OAuth 2.0 flows for both Google and Microsoft to ensure secure, permission-based calendar access.

Unified Scheduling View

Present all calendars in a single, clean interface that makes it easy to spot conflicts and open time slots.

Cloud-Native Deployment

Deploy on GCP with Docker containerization for reliable, scalable infrastructure that handles growing user demand.

Our Solutions

DESIGN PHASE

  • Conducted extensive market research on competing platforms
  • Defined success metrics and performance indicators to guide development
  • Performed competitive analysis of hourly space rental models
  • Built responsive layouts optimized for both mobile and desktop use
  • Developed a comprehensive design system for scalable UI consistency
Brand Mark Q
Branded Pattern

DEVELOPMENT PHASE

  • Built a scalable frontend with React using a modular component structure
  • Developed a secure Node.js backend with MongoDB database
  • Established API architecture for future scalability and integration
  • Created comprehensive notification systems for hosts and guests
  • Installed analytics tracking for monitoring behavior and engagement
  • Developed regular performance optimization routines focusing on load times.
Brand Mark Q

Impact

IMPACT

500+ Spaces listed

Shuttrd quickly became a go-to platform for space owners, attracting a wide variety of listings across multiple cities.

2,000+ Registered guests

In just weeks, Shuttrd built a thriving community of creatives, all using the platform to reserve venues tailored to their needs.

2,000+ Successful bookings

With seamless booking flows, guests confidently booked spaces for everything, leading to early revenue and high retention.

Cap Mockup

CLIENT'S TESTIMONIAL

EntityQ didn't just build what we asked for—they elevated the entire product. Their design sense, clear communication, and fast execution gave us a platform users actually love.

Cynthia Hills - CEO Shuttrd

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