Battery Watcher vs batteryウィジェット バッテリー残量をサクサク確認
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Battery Watcher
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.
- iPhone battery status on Apple Watch
- Watch face complications
- 24-hour battery history
- Visual charge history graph
- Full charge alerts
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Battery Watcher gives you the status of your iPhone battery right on your Apple Watch! Battery Watcher now supports watchOS 5 and Apple Watch Series 4!! Battery Watcher now leverages the new Apple Watch background processing to keep your Apple Watch up to date with the latest battery level of your iPhone. New Features: - Complications: Check the status of your iPhone battery right from your watch face! - Time Travel: Now you can look back and see what the power level of your iPhone was in the last 24 hours - Battery Level Premium: Upgrade to Battery Level Premium and get the charge history of iPhone battery right on your watch in an easy to use visual graph. Use the Digital Crown to view all the iPhone battery level history for the past 24 and 72 hours! - Full Charge Alert: If you purchase Battery Level Premium, you can receive an alert when your iPhone reaches full charge! For those that want to know how much battery life your iPhone has left without pulling it out of your pocket, this app is for you!
batteryウィジェット バッテリー残量をサクサク確認
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.
- Battery level monitoring
- Music playback time estimate
- Memory usage diagnosis
- Battery saving tips
- Data usage check
- Optimizes iPhone performance
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このアプリは、半年の間バッテリーの事だけを考え開発された、バッテリーの専門家によるバッテリー＆通信アプリ、ウィジェットです。 iPhoneを超快適に、電池を節電、節約して使い続けるために。 iPhoneの充電やバッテリー寿命を正しく知りましょう。 ■バッテリーアプリの機能紹介 ・現在のバッテリー残量で音楽は何分聞けるか等、 ・ワンタップで、サクサク現在のメモリ使用状況を診断します。 ・iPhoneの動作を快適にします ・お役立ち情報で、iPhoneのバッテリー節約方法がわかります。 ・通信量のチェックもでき、通信制限にかからないよう確認できます。 iPhoneで音楽を聞いたり、ゲームをしたり、SNSをしたり、マンガを読んだり・・・ そんな時に、電池残量を気にしなくていいように、このアプリを立ち上げ、バッテリーを確認してみましょう。
Screenshots
Verdict
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.
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. 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.
| Parameter | 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) — better | 4.0 (1 ratings) |
| Positive reviews | 70.7% of reviews — better | 58.8% of reviews |
| Number of ratings | 338 — better | 1 |
| Update frequency | Fortnightly — better | Every 11 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Requires iOS | 18.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Slackerz Inc | Yuma Okamura |
Customer experience
Battery Watcher
batteryウィジェット バッテリー残量をサクサク確認
Bugs and requests
Battery Watcher
Reported bugs
9 issues- 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
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- Premium full-charge notification doesn't work
- App crashes or becomes unresponsive after updates
- White battery icon stuck in corner with display glitches
- Crown interaction doesn't affect graphing as advertised
Requested features
8 requests- 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
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- Complication support for watch face
- Glance feature for quick access
- Better customization options for watch app display
batteryウィジェット バッテリー残量をサクサク確認
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Battery Watcher
- Battery Watcher Premium$1.99
batteryウィジェット バッテリー残量をサクサク確認
No in-app purchases
Questions
Is Battery Watcher free?
Is batteryウィジェット バッテリー残量をサクサク確認 free?
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?
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?
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?
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