# Datum vs Big Voize Lite

The clearest difference is price: Big Voize Lite at Free against Datum's $1.99. Big Voize Lite also leads on iOS requirement (11.0 vs 17.6). Datum's advantage is update cadence (every 3 months vs every 16 months) and device support (5 vs 3). On ads and in-app purchases there is nothing between them.

Big Voize Lite 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, Big Voize Lite every 16 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Datum | Big Voize Lite |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 16 months |
| Monetization | Paid | — |
| Size | 15 MB | 33 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Lindinger](https://appshunter.io/developer/1431086653) | [ADVAITAM TECH SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1158677753) |

## 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


### Big Voize Lite

[App page](https://appshunter.io/ios/app/big-voize-lite/id1626003716)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Datum free?

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

### Is Big Voize Lite free?

Big Voize Lite is free to download, with no in-app purchases.

### Do Datum or Big Voize Lite have ads?

Neither Datum nor Big Voize Lite shows ads.

### Which is updated more often, Datum or Big Voize Lite?

Datum ships an update every 3 months, and Big Voize Lite every 16 months. Most recently, Datum was updated on October 24, 2026 and Big Voize Lite on October 27, 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.*