# BatteryNow ! Big Digital Clock vs Mugen Clock

The clearest difference is review sentiment: Mugen Clock at 96% against BatteryNow ! Big Digital Clock's 40%. Mugen Clock also leads on rating (4.5 vs 4.0) and update cadence (every 9 days vs every 9 months). BatteryNow ! Big Digital Clock's advantage is in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Mugen Clock sells 1 one-off in-app purchase. BatteryNow ! Big Digital Clock asks for nothing beyond the download.

Mugen Clock holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Mugen Clock has 65 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 40% of BatteryNow ! Big Digital Clock's written reviews are positive against 96% of Mugen Clock's.

BatteryNow ! Big Digital Clock ships an update every 9 months, Mugen Clock every 9 days. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | BatteryNow ! Big Digital Clock | Mugen Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/batterynow-big-digital-clock/id622404130/reviews) | **[4.5 (65 ratings)](https://appshunter.io/ios/app/mugen-clock/id1064833509/reviews)** |
| Number of ratings | 1 | **65** |
| Positive reviews | 40.0% of reviews | **95.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Every 9 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 9 MB | 116 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [kazuhiko kuroda](https://appshunter.io/developer/460872954) | [Koichiro Kamada](https://appshunter.io/developer/476534292) |

## 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


### Mugen Clock

[App page](https://appshunter.io/ios/app/mugen-clock/id1064833509)

This app offers a highly readable clock with large, bold numbers that fill the screen. Customize colors, fonts, and layouts, and set personal photos or videos as backgrounds. Includes timer and stopwatch functions for added utility.

**Highlights:** Large, full-screen time display, Customizable colors and fonts, Photo and video backgrounds, Adjustable layout options, Integrated timer and stopwatch, Saved presets for different modes

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $5.99 | one-time |


## Frequently asked questions

### Is BatteryNow ! Big Digital Clock free?

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

### Is Mugen Clock free?

Mugen Clock is free to download, with in-app purchases available.

### Which has better reviews, BatteryNow ! Big Digital Clock or Mugen Clock?

Mugen Clock is rated higher. BatteryNow ! Big Digital Clock averages 4.0 out of 5 from 1 ratings, while Mugen Clock averages 4.5 from 65 ratings.

### Do BatteryNow ! Big Digital Clock or Mugen Clock have ads?

Both BatteryNow ! Big Digital Clock and Mugen Clock show ads.

### Which is updated more often, BatteryNow ! Big Digital Clock or Mugen Clock?

BatteryNow ! Big Digital Clock ships an update every 9 months, and Mugen Clock every 9 days. Most recently, BatteryNow ! Big Digital Clock was updated on October 23, 2026 and Mugen Clock on October 29, 2026.

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