# Datum vs calQuery

The clearest difference is price: calQuery at Free against Datum's $1.99. calQuery also leads on iOS requirement (14.5 vs 17.6). Datum's advantage is update cadence (every 3 months vs every 9 months) and device support (5 vs 3). On ads and in-app purchases there is nothing between them.

calQuery is free to download; Datum costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Datum ships an update every 3 months, calQuery every 9 months. The most recent releases landed on September 7, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Datum | calQuery |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calquery/id1596650479/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Paid | **Free** |
| Size | 11 MB | 1 MB |
| Requires iOS | 17.6 | **14.5** |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Lindinger](https://appshunter.io/developer/1431086653) | [Uwe Holtkamp](https://appshunter.io/developer/1191830477) |

## What reviewers say

### 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


### calQuery

[App page](https://appshunter.io/ios/app/calquery/id1596650479)

Easily search your iPhone or iPad calendar for past events. Results can be sorted by date, location, or alphabetically. Tapping a result opens the corresponding day in your native calendar app.

**Highlights:** Search past calendar events, Sort results by date, location, alphabet, Open events in native calendar, Supports iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Datum free?

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

### Is calQuery free?

calQuery is free to download, with no in-app purchases.

### Do Datum or calQuery have ads?

Neither Datum nor calQuery shows ads.

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

Datum ships an update every 3 months, and calQuery every 9 months. Most recently, Datum was updated on September 7, 2026 and calQuery on June 11, 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.*