Report updated Apr 23, 2026

Overview Β· Full Intel report in progress

Play Store β†’

uCal - Calendar is an established productivity app that is completely free. With a 4.3/5 rating from 13 reviews, it shows polarized user reception.

What is uCal - Calendar?

uCal is a productivity tool that provides an infinite-scrolling interface for managing calendar events across multiple time scales. It integrates with existing calendar accounts to offer a unified view of schedules, appointments, and to-do lists. The app is notable for its unique ability to display overnight shifts as single, continuous blocks.

Current Momentum

v2.0 Β· 11mo ago

Maintenance

Last updated 345d ago. 3 versions tracked.

AI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.

Competition

Rivals identification in progress

7-Day Rank Pulse πŸ‡ΊπŸ‡Έ

Productivity

No ranking data

ProductivityGrossing

Rating Pulse πŸ‡ΊπŸ‡Έ

What makes this app unique?

What Does It Look Like?

How Is The App's Momentum Right Now?

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What Are The Key Features?

Infinite ScrollingStandard

Allows users to traverse their life’s schedule continuously across various time scales.

Calendar IntegrationStandard

Connects with existing calendar accounts to aggregate events and to-do items.

Shift VisualizationStandard

Enables overnight workers to view a single shift as a single, unified block.

How much does it cost?

Free

Who Built It?

Anton Heestand

β˜…β˜…β˜…β˜…β˜…
(82.1K)

Equipping Apple power users with high-performance creative tools and developer utilities built on Swift and Metal.

Portfolio

13

Apps

Free 11Paid 1
Photo & Video42%
Developer Tools25%
Utilities17%

Who is Anton Heestand?

Anton Heestand operates as a specialized developer focused on high-performance graphics and developer utilities for the Apple ecosystem. His moat lies in deep technical implementation of Metal and SwiftUI, allowing for desktop-class features like layered compositing and OSC/MIDI control on mobile devices. The portfolio is currently signaling a strategic shift toward spatial computing, with recent releases targeting visionOS and stereoscopic 3D workflows.

Who is Anton Heestand for?

  • Creative professionals
  • Mobile photographers
  • Developers requiring specialized OSC/MIDI or spatial media tools
Active

Portfolio momentum

Released 10 updates across the portfolio in the last 6 months, with the most recent major release occurring 2 days ago.

Last release Β· 2d agoActive apps Β· 10Abandoned Β· 2

Analysis in progress, available soon

What do users think recently?

Analysis in progress, available soon

Analysis in progress, available soon

What is the competitive landscape for uCal - Calendar?

How's The Productivity Market?

Market outlook for this category

Available very soon

Strategic analysis coming soon

SWOT, key takeaways & outlook

The outtake for uCal - Calendar

Key Takeaways

While uCal offers a unique, fluid approach to calendar visualization, users report significant performance and stability issues that currently hinder the experience.

Where Is It Heading?

Trend analysis

Available very soon

Disclosure

Independent intel to help builders create better apps.

AI-powered analysis with editorial review, built from publicly available sources. See methodology.

Marlvel.ai is not affiliated with, endorsed by, or sponsored by uCal - Calendar, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Hope this helps & keep building! Β· Found an error?

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Cite this report

Marlvel.ai. β€œuCal - Calendar Intelligence Report.” Updated Apr 23, 2026. https://marlvel.ai/intel-report/productivity/ucal-calendar

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