# Battery Watcher vs batteryウィジェット　バッテリー残量をサクサク確認

The clearest difference is rating: Battery Watcher at 4.5 against batteryウィジェット　バッテリー残量をサクサク確認's 4.0. Battery Watcher also leads on ads (none vs shown) and update cadence (fortnightly vs every 11 months). batteryウィジェット　バッテリー残量をサクサク確認's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 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. batteryウィジェット　バッテリー残量をサクサク確認 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: 71% of Battery Watcher's written reviews are positive against 59% of batteryウィジェット　バッテリー残量をサクサク確認's.

Battery Watcher ships an update fortnightly, batteryウィジェット　バッテリー残量をサクサク確認 every 11 months. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Battery Watcher | batteryウィジェット　バッテリー残量をサクサク確認 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (338 ratings)](https://appshunter.io/ios/app/battery-watcher/id987285213/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/battery/id1447344860/reviews) |
| Number of ratings | **338** | 1 |
| Positive reviews | **70.7% of reviews** | 58.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 11 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 2 MB | 39 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Slackerz Inc](https://appshunter.io/developer/727226094) | [Yuma Okamura](https://appshunter.io/developer/1256271891) |

## What reviewers say

### 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


### batteryウィジェット　バッテリー残量をサクサク確認

[App page](https://appshunter.io/ios/app/battery/id1447344860)

This app helps you monitor your iPhone's battery life and data usage. It provides insights into how long you can listen to music or use other apps based on your current charge, and offers tips to conserve battery and avoid data limits.

**Highlights:** Battery level monitoring, Music playback time estimate, Memory usage diagnosis, Battery saving tips, Data usage check, Optimizes iPhone performance

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Battery Watcher free?

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

### Is batteryウィジェット　バッテリー残量をサクサク確認 free?

batteryウィジェット　バッテリー残量をサクサク確認 is free to download, with no in-app purchases.

### Which has better reviews, Battery Watcher or batteryウィジェット　バッテリー残量をサクサク確認?

Battery Watcher is rated higher. Battery Watcher averages 4.5 out of 5 from 338 ratings, while batteryウィジェット　バッテリー残量をサクサク確認 averages 4.0 from 1 ratings.

### Do Battery Watcher or batteryウィジェット　バッテリー残量をサクサク確認 have ads?

batteryウィジェット　バッテリー残量をサクサク確認 shows ads; Battery Watcher does not.

### Which is updated more often, Battery Watcher or batteryウィジェット　バッテリー残量をサクサク確認?

Battery Watcher ships an update fortnightly, and batteryウィジェット　バッテリー残量をサクサク確認 every 11 months. Most recently, Battery Watcher was updated on October 16, 2026 and batteryウィジェット　バッテリー残量をサクサク確認 on October 12, 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.*