BatteryNow vs Big Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BatteryNow
This app provides real-time and historical battery monitoring with graphical data. It also features a large, customizable digital clock display with multiple color options and dark mode support.
- Real-time battery monitoring
- Historical battery trend graphs
- Large digital clock display
- Customizable clock colors
- Dark mode support
- Battery percentage color indicators
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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 display. [ 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, Big digital clock. There are eight colors option for digital clock. 5, Dark mode supported for iOS 13. 6, Date display. 7, Sleep function is disabled during foreground. 8, Battery condition trends Battery data is recorded every minute during running in order to observe the trend of the battery condition.
Big Clock
This utility app displays the current day, time, and date in a large, full-screen digital format. It offers customization options for clock digit color and includes integrated alarm, timer, and stopwatch functionalities with advanced settings like repetition and lap tracking.
- Full-screen digital clock display
- Customizable digit colors
- Multiple alarm settings
- Countdown timer
- Stopwatch with lap feature
- Display day and date
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Big Clock: The Ultimate High-Visibility Digital Display. Never struggle to read the time again. Big Digital Clock transforms your entire screen into a massive, crystal-clear time hub. Whether you need a reliable bedside clock for your nightstand or a giant countdown timer for the gym, our app delivers maximum visibility with a minimalist touch. WHY USERS LOVE BIG CLOCK: The Biggest Display: A true full-screen experience designed for visibility from across the room. Aesthetic Themes: Personalize your display with vibrant neon colors and high-contrast glow effects. Precision Tools: Includes a high-contrast Stopwatch with Laps and a Countdown Timer for workouts or study sessions. Smart Nightstand Alarms: Set multiple alarms with custom snooze, repetition, and loud wake-up tones. KEY FEATURES: 12/24 Hour Toggle: Switch formats instantly to suit your preference. Full Customization: Use the professional color picker to match your room’s aesthetic. Stay Punctual: A simple, distraction-free interface that stays active while you work or sleep. Stay punctual with the most readable clock on the App Store. Download Big Digital Clock today! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: BatteryNow at 67% against Big Clock's 0%. BatteryNow also leads on rating (4.0 vs 3.3) and in-app purchases (none vs 3). Big Clock's advantage is price (Free vs $0.99) and ratings volume (3 vs 1). On update cadence and device support 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
Big Clock is free to download; BatteryNow costs $0.99 up front. Big Clock sells 3 in-app purchases, starting at $4.99 per 7 days. BatteryNow asks for nothing beyond the download.
BatteryNow holds the better App Store score, 4.0 against 3.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 67% of BatteryNow's written reviews are positive against 0% of Big Clock's.
BatteryNow ships an update every 4 months, Big Clock every 3 months. The most recent releases landed on October 17, 2026 and October 3, 2026 respectively.
| Parameter | BatteryNow | Big Clock |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.0 (1 ratings) — better | 3.3 (3 ratings) |
| Positive reviews | 66.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 9 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | kazuhiko kuroda | Kevin Ghori |
Customer experience
BatteryNow
Big Clock
In-app purchases
BatteryNow
No in-app purchases
Big Clock
- Big Digital Clock Weekly Plan$4.997 Days
- Big Digital Clock Monthly Plan$9.991 Month
- Big Digital Clock Yearly Plan$49.991 Year
