Comparison

Datum vs Battery Level Custom Notifier

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Datum

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
Read full description

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. The iOS and macOS apps include the following widgets: - a small widget that shows the current date and at the bottom the events for this day - a small widget that shows a calendar with up to 3 event marks for each day - a medium widget that shows the same as the first small widget and on the right side a calendar with up to 3 event marks for each day - a large widget that shows the same as the medium widget and a list of the upcoming events - a extra large widget that shows a calendar and a list of the upcoming events (only for iPadOS 15+) The watchOS app shows a calendar with up to 3 event marks for each day. You can switch to the next/previous month by tapping on the arrows at the bottom of the calendar. You can view all events for each day by tapping on a day. There are also complications for all watchfaces included that show you the current date.

About

Battery Level Custom Notifier

Features
Read full description

Stop guessing your battery’s health. "Battery Level Custom Notifier" is the ultimate smart notifier that keeps you in control of your iPhone’s battery. Set custom charge and drain alerts, protect your battery lifespan, and get instant notifications when your phone hits your exact desired levels β€” no more overcharging or deep discharging. Custom Thresholds: Set precise alert points for both low and high battery levels (e.g., alert at 35% or 85%). Cooldown System: Prevent notification spam with smart cooldown intervals. Haptic and Visual Alerts: Choose how you want to be notified β€” vibration, sound, or banner. Low Power Companion: Runs efficiently with minimal battery impact. Adaptive Across Devices: Works on all iPhone and iPad models. Private by Design: No data collection, no tracking β€” everything runs on-device. "Battery Level Custom Notifier" helps users maintain battery health longevity, especially important for lithium-ion batteries. Over time, partial charging (e.g., 20%–80%) can extend battery lifespan significantly β€” and "Battery Level Custom Notifier" automates that process. For power users who keep devices charged optimally Professionals monitoring uptime and mobility Users tired of unpredictable battery drain Open "Battery Level Custom Notifier" Choose your low and high battery thresholds Enable alerts and set a cooldown interval Relax β€” "Battery Level Custom Notifier" will notify you exactly when needed Your iPhone deserves better charging habits. With "Battery Level Custom Notifier", you’ll never wake up to an overcharged phone or get caught off guard with 1% again. Precision, simplicity, and control β€” all in one clean interface.

Screenshots

Datum3 screens
Battery Level Custom Notifier1 screens

Verdict

The call

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.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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.

Scorecard2 real differences Β· 6 level
Datum versus Battery Level Custom Notifier: the parameters behind the verdict, then further details
ParameterDatumBattery Level Custom Notifier
Price$1.99$0.99 β€” better
Positive reviews100.0% of reviewsβ€”
Update frequencyEvery 3 monthsβ€”
AdsNoNo
In-app purchasesNoNo
MonetizationPaidβ€”
DevicesiPhone, iPad, Mac, Apple Watch, Vision Pro β€” betteriPhone, iPad, iPod
Requires iOS17.616 β€” better
Further details β€” not scored
Size11 MB2 MB
Age rating4+4+
DeveloperMichael LindingerEyeOS Store Inc.

In-app purchases

None

Datum

No in-app purchases

None

Battery Level Custom Notifier

No in-app purchases

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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