Comparison

BatteryNow ! Big Digital Clock vs Big Clock

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

Head to head
About

BatteryNow ! Big Digital Clock

Monitor your device's battery life with real-time and trend graphs. Features a large, customizable digital clock with color options and dark mode support. Track battery percentage changes over time.

Highlights
  • Real-time battery monitoring
  • Battery trend logging
  • Large digital clock display
  • Customizable clock colors
  • Dark mode support
  • Battery percentage graphs
Features
Read full description

BatteryNow is battery monitoring app in two ways: Real-time monitoring and Trend monitoring (logging). 1, Real-time monitoring : You can check the battery level with line plots data graphically. 2, Trend monitoring : It is save the battery data internally every one minute, then you can see a graph of how change your battery level in long period. 3, Big Digital Clock [ Real-time monitoring feature ] 1, Display the Battery % status in three colors Green, Yellow and Red. Green > 45% > Yellow > 25% > Red 2, Battery% graph. Range of scrolling screen up to 8 times. Chart update interval can be change between from 0.1 pixel / sec to 2.0 pixel / sec. 3, Minute time line plot. This graph will 100% every hour. 4, Digital clock. There are eight colors option for digital clock. 5, Dark mode supported. 6, Ad

About

Big Clock

This app displays the time edge-to-edge on iOS devices, offering enhanced readability with crisp fonts for advanced displays. Customize your clock face with bold fonts, choose time formats, and toggle seconds. It functions offline and prioritizes user data privacy.

Highlights
  • Edge-to-edge time display
  • Crisp font for XDR/Liquid Retina
  • Dark mode support
  • 12/24 hour format
  • Customizable clock face styling
  • Offline functionality
Read full description

Big Clock is designed specifically for iOS users. With an optimised layout for iOS devices, the time can be shown from edge to edge on the display for better readability and usability. For devices adopting XDR or Liquid Retina display technologies, a more crisp and clear font can be shown. FEATURES * Dark mode (night mode) is supported natively in app. The clock face can be viewed comfortably whenever it is in day time or in dark. * The clock can be displayed in either 12/24 time format. * Styling your own clock face with bold font, or to choose showing/hiding the seconds counter. * Timing and clock styling are made within the app. No network connection is required. For accurate time display, please make sure your phone’s clock is in-sync with the timezone that you’re in. * As no third-parties is involved within the process, all data are kept within the app. Made by PPES Developers & Contributors

Screenshots

BatteryNow ! Big Digital Clock4 screens
Big Clock3 screens

Verdict

The call

The clearest difference is rating: BatteryNow ! Big Digital Clock at 4.0 against Big Clock's 2.3. BatteryNow ! Big Digital Clock also leads on update cadence (every 9 months vs every 31 months). Big Clock's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price and in-app purchases there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

BatteryNow ! Big Digital Clock holds the better App Store score, 4.0 against 2.3. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews complicate that: 40% of BatteryNow ! Big Digital Clock's written reviews are positive against 50% of Big Clock's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

BatteryNow ! Big Digital Clock ships an update every 9 months, Big Clock every 31 months. Both last shipped on October 2, 2026.

Scorecard8 real differences · 2 level
BatteryNow ! Big Digital Clock versus Big Clock: the parameters behind the verdict, then further details
ParameterBatteryNow ! Big Digital ClockBig Clock
PriceFreeFree
Rating4.0 (1 ratings) — better2.3 (4 ratings)
Positive reviews40.0% of reviews50.0% of reviews — better
Number of ratings14 — better
Update frequencyEvery 9 months — betterEvery 31 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.614.0 — better
Further details — not scored
Size9 MB8 MB
Age rating4+4+
Developerkazuhiko kurodaPhilip Tam

Customer experience

BatteryNow ! Big Digital Clock

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive40.0%
Neutral20.0%
Negative40.0%

Big Clock

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

BatteryNow ! Big Digital Clock

No in-app purchases

None

Big Clock

No in-app purchases

Questions

Is BatteryNow ! Big Digital Clock free?
BatteryNow ! Big Digital Clock is free to download, with no in-app purchases.
Is Big Clock free?
Big Clock is free to download, with no in-app purchases.
Which has better reviews, BatteryNow ! Big Digital Clock or Big Clock?
BatteryNow ! Big Digital Clock is rated higher. BatteryNow ! Big Digital Clock averages 4.0 out of 5 from 1 ratings, while Big Clock averages 2.3 from 4 ratings.
Do BatteryNow ! Big Digital Clock or Big Clock have ads?
BatteryNow ! Big Digital Clock shows ads; Big Clock does not.
Which is updated more often, BatteryNow ! Big Digital Clock or Big Clock?
BatteryNow ! Big Digital Clock ships an update every 9 months, and Big Clock every 31 months. Most recently, BatteryNow ! Big Digital Clock was updated on October 2, 2026 and Big Clock on October 2, 2026.

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