# myDateCalc vs Datum

The clearest difference is device support: Datum at 5 against myDateCalc's 2. myDateCalc's advantage is price ($0.99 vs $1.99). On update cadence, ads, in-app purchases and iOS requirement there is nothing between them.

myDateCalc costs $0.99 and Datum $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

myDateCalc ships an update every 5 months, Datum every 3 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | myDateCalc | Datum |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | — | Paid |
| Size | 0 MB | 15 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Walker](https://appshunter.io/developer/934131573) | [Michael Lindinger](https://appshunter.io/developer/1431086653) |

## What reviewers say

### myDateCalc

[App page](https://appshunter.io/ios/app/mydatecalc/id1265539346)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Datum

[App page](https://appshunter.io/ios/app/datum-calendar/id1552646317)

A minimalist calendar application designed for Apple devices, offering a clean interface and customizable widgets for iOS, macOS, and watchOS. View upcoming events, daily schedules, and monthly overviews directly from your home screen or watch face.

**Highlights:** Minimalist calendar interface, Lockscreen widgets for iOS, Event display widgets, Calendar widgets with event marks, watchOS calendar and complications, Support for iPhone, iPad, Mac, and Apple Watch

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is myDateCalc free?

myDateCalc costs $0.99, with no in-app purchases.

### Is Datum free?

Datum costs $1.99, with no in-app purchases.

### Do myDateCalc or Datum have ads?

Neither myDateCalc nor Datum shows ads.

### Which is updated more often, myDateCalc or Datum?

myDateCalc ships an update every 5 months, and Datum every 3 months. Most recently, myDateCalc was updated on October 26, 2026 and Datum on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*