BatteryNow ! Big Digital Clock vs SEC Smart Battery
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Real-time battery monitoring
- Battery trend logging
- Large digital clock display
- Customizable clock colors
- Dark mode support
- Battery percentage graphs
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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 [ 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
SEC Smart Battery
Monitor your SEC MICROLYTE 12V ML Series lithium-ion battery with this utility tool. It provides real-time monitoring data and requires Bluetooth connectivity. Note that a device can only connect to one battery at a time.
- Lithium-ion battery monitoring
- Bluetooth connectivity
- Detection distance up to 5m
- Single device-to-battery connection
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This APP is specifically made for SEC MICROLYTE 12V ML Series battery. * An innovative utility tool for monitoring your lithium ion battery * Some device might not be able to connect with the batteries since they do not support bluetooth communication. * Detection distance: <= 5m * A device can only be connected with one battery each time. * If you want to connect this battery with another device, please exit the APP on your current device.
Screenshots
Verdict
The clearest difference is rating: SEC Smart Battery at 5.0 against BatteryNow ! Big Digital Clock's 4.0. SEC Smart Battery also leads on ads (none vs shown) and update cadence (every 2 months vs every 9 months). On price, ratings volume, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SEC Smart Battery holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
BatteryNow ! Big Digital Clock ships an update every 9 months, SEC Smart Battery every 2 months. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.
| Parameter | BatteryNow ! Big Digital Clock | SEC Smart Battery |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 40.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 9 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.6 | 8.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | kazuhiko kuroda | SEC Industrial Battery Group |
Customer experience
BatteryNow ! Big Digital Clock
SEC Smart Battery
In-app purchases
BatteryNow ! Big Digital Clock
No in-app purchases
SEC Smart Battery
No in-app purchases
Questions
Is BatteryNow ! Big Digital Clock free?
Is SEC Smart Battery free?
Which has better reviews, BatteryNow ! Big Digital Clock or SEC Smart Battery?
Do BatteryNow ! Big Digital Clock or SEC Smart Battery have ads?
Which is updated more often, BatteryNow ! Big Digital Clock or SEC Smart Battery?
Other comparisons
