# BatteryNow ! Big Digital Clock vs Battery Watcher

The clearest difference is rating: Battery Watcher at 4.5 against BatteryNow ! Big Digital Clock's 4.0. Battery Watcher also leads on ads (none vs shown) and review sentiment (71% vs 40%). BatteryNow ! Big Digital Clock's advantage is in-app purchases (none vs 1) and iOS requirement (16.6 vs 18.6). On price and device support there is nothing between them.

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

Battery Watcher holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Battery Watcher has 338 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 71% of Battery Watcher's.

BatteryNow ! Big Digital Clock ships an update every 9 months, Battery Watcher fortnightly. The most recent releases landed on October 2, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | BatteryNow ! Big Digital Clock | Battery Watcher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/batterynow-big-digital-clock/id622404130/reviews) | **[4.5 (338 ratings)](https://appshunter.io/ios/app/battery-watcher/id987285213/reviews)** |
| Number of ratings | 1 | **338** |
| Positive reviews | 40.0% of reviews | **70.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 9 MB | 2 MB |
| Requires iOS | **16.6** | 18.6 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [kazuhiko kuroda](https://appshunter.io/developer/460872954) | [Slackerz Inc](https://appshunter.io/developer/727226094) |

## 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


### Battery Watcher

[App page](https://appshunter.io/ios/app/battery-watcher/id987285213)

Monitor your iPhone's battery status directly from your Apple Watch. View current levels, historical data, and receive alerts for a full charge. Perfect for quick checks without needing your phone.

**Highlights:** iPhone battery status on Apple Watch, Watch face complications, 24-hour battery history, Visual charge history graph, Full charge alerts

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Battery Watcher Premium | $1.99 | one-time |

**What reviewers like**

- 👍 Clean and intuitive interface
- 🎯 Accurate battery percentage tracking
- ⌚ Seamless Apple Watch integration
- 🚀 Minimal battery drain on device
- 📊 Battery history and graphing features

**What reviewers complain about**

- 🐛 Frequent synchronization issues between iPhone and Watch
- 🔄 App requires manual refresh to show current data
- ⏰ Inaccurate time displays
- 🚫 Premium features feel limited or underwhelming
- 📉 Battery percentage discrepancies between app and device

**Reported bugs**

- App fails to communicate with iPhone from Watch
- Battery graphic jumps out of place on iPhone app
- Complication doesn't update without opening app
- Inaccurate battery percentage readings
- App disconnects from Watch frequently

**Requested features**

- Low battery mode functionality
- Battery percentage viewing on iPhone (currently watch-only)
- Custom notification alerts at user-defined battery percentages
- User-configurable logging intervals for battery tracking
- Settings menu to customize watch display and disable text clutter


## Frequently asked questions

### Is BatteryNow ! Big Digital Clock free?

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

### Is Battery Watcher free?

Battery Watcher is free to download, with in-app purchases available.

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

Battery Watcher is rated higher. BatteryNow ! Big Digital Clock averages 4.0 out of 5 from 1 ratings, while Battery Watcher averages 4.5 from 338 ratings.

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

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

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

BatteryNow ! Big Digital Clock ships an update every 9 months, and Battery Watcher fortnightly. Most recently, BatteryNow ! Big Digital Clock was updated on October 2, 2026 and Battery Watcher on October 16, 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.*