# Datum vs Battery Level Custom Notifier

The clearest difference is device support: Datum at 5 against Battery Level Custom Notifier's 3. Battery Level Custom Notifier's advantage is price ($0.99 vs $1.99). On ads, in-app purchases and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Datum | Battery Level Custom Notifier |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Paid | — |
| Size | 11 MB | 2 MB |
| Requires iOS | 17.6 | **16** |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Lindinger](https://appshunter.io/developer/1431086653) | [EyeOS Store Inc.](https://appshunter.io/developer/1036418634) |

## 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


### Battery Level Custom Notifier

[App page](https://appshunter.io/ios/app/battery-level-custom-notifier/id6754223938)

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

**In-app purchases:** none


## Frequently asked questions

### Is Datum free?

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

### Is Battery Level Custom Notifier free?

Battery Level Custom Notifier costs $0.99, with no in-app purchases.

### Do Datum or Battery Level Custom Notifier have ads?

Neither Datum nor Battery Level Custom Notifier shows ads.

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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.*