What is Datum - Calendar?

Datum - Calendar is an Utilities app developed by Michael Lindinger, available on the App Store. It was first released on Feb 14, 2021.

Is Datum - Calendar successful?

MRRBeam rates the success of Datum - Calendar 0/100 (early stage). The success score combines rating volume, chart position and average rating.

When was Datum - Calendar last updated?

Datum - Calendar was last updated on Jan 7, 2026 (version 1.9.1).

What are alternatives to Datum - Calendar?

Similar Utilities apps tracked by MRRBeam include Google, Google Chrome, Google Authenticator, My Verizon and My Spectrum.

Is there room to build a competitor to Datum - Calendar?

MRRBeam's opportunity score for Datum - Calendar is 9/100. Limited opening: an older app, little observable demand and low price points.

Datum - Calendar

Michael Lindinger

Store data observed Oct 9, 2026 · From public App Store data · How we score apps

Utilities
App Store
United States
—0 ratings
Paid $1.99
Updated 9 mo ago
Observed

App Store

Ratings

Observed

Chart position

Observed

—Not on the top charts

90-day growth

—not enough history yet

Opportunity score

AI-derived

9/100Weak · low confidence

Own Datum - Calendar? Share your real numbers

Your numbers stay private. They only tune MRRBeam's estimates, so every app's figures get more accurate.

Made Datum - Calendar? Add a “Tracked in Utilities” badge to your site

<a href="https://www.mrrbeam.com/apps/datum-calendar-apple-1552646317"><img src="https://www.mrrbeam.com/badge/apple-1552646317.svg" alt="Datum - Calendar: Tracked in Utilities on MRRBeam" height="24"></a>

About Datum - CalendarObserved

Datum - Calendar is an Utilities app by Michael Lindinger on the United States App Store. Released Feb 14, 2021; last updated Jan 7, 2026 (version 1.9.1). Datum - Calendar costs $1.99 to download.

MRRBeam rates the success of Datum - Calendar 0/100 (early stage).

Datum is a minimalistic iOS, watchOS, macOS and visionOS calendar app. For iOS there are Lockscreen Widgets that show you the current date and there are Lockscreen Widgets that show up to 3 events for today.

From the App Store listing

Success score: 0/100 Early stage
In Utilities: Outside the top 100
Chart position: Not on the top charts
Developer: Michael Lindinger

Datum - Calendar: common questions

What is Datum - Calendar?: Datum - Calendar is an Utilities app developed by Michael Lindinger, available on the App Store. It was first released on Feb 14, 2021.
How much does Datum - Calendar cost?: Datum - Calendar costs $1.99 to download.
Is Datum - Calendar successful?: MRRBeam rates the success of Datum - Calendar 0/100 (early stage). The success score combines rating volume, chart position and average rating.
When was Datum - Calendar last updated?: Datum - Calendar was last updated on Jan 7, 2026 (version 1.9.1).
What are alternatives to Datum - Calendar?: Similar Utilities apps tracked by MRRBeam include Google, Google Chrome, Google Authenticator, My Verizon and My Spectrum.
Is there room to build a competitor to Datum - Calendar?: MRRBeam's opportunity score for Datum - Calendar is 9/100. Limited opening: an older app, little observable demand and low price points.