# BatteryNow ! Big Digital Clock vs SEC Smart Battery

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.

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.

## The numbers

| Metric | BatteryNow ! Big Digital Clock | SEC Smart Battery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/batterynow-big-digital-clock/id622404130/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sec-smart-battery/id1228505584/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Ad-supported | **Free** |
| Size | 9 MB | 7 MB |
| Requires iOS | 16.6 | **8.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [kazuhiko kuroda](https://appshunter.io/developer/460872954) | [SEC Industrial Battery Group](https://appshunter.io/developer/1228505583) |

## What reviewers say

### BatteryNow ! Big Digital Clock

[App page](https://appshunter.io/ios/app/batterynow-big-digital-clock/id622404130)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SEC Smart Battery

[App page](https://appshunter.io/ios/app/sec-smart-battery/id1228505584)

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.

**Highlights:** Lithium-ion battery monitoring, Bluetooth connectivity, Detection distance up to 5m, Single device-to-battery connection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BatteryNow ! Big Digital Clock free?

BatteryNow ! Big Digital Clock is free to download, with no in-app purchases.

### Is SEC Smart Battery free?

SEC Smart Battery is free to download, with no in-app purchases.

### Which has better reviews, BatteryNow ! Big Digital Clock or SEC Smart Battery?

SEC Smart Battery is rated higher. BatteryNow ! Big Digital Clock averages 4.0 out of 5 from 1 ratings, while SEC Smart Battery averages 5.0 from 1 ratings.

### Do BatteryNow ! Big Digital Clock or SEC Smart Battery have ads?

BatteryNow ! Big Digital Clock shows ads; SEC Smart Battery does not.

### Which is updated more often, BatteryNow ! Big Digital Clock or SEC Smart Battery?

BatteryNow ! Big Digital Clock ships an update every 9 months, and SEC Smart Battery every 2 months. Most recently, BatteryNow ! Big Digital Clock was updated on October 30, 2026 and SEC Smart Battery on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*