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Battery Watcher

Battery Watcher

by Slackerz Inc

338 ratings
92 reviews
🔧 Utilities
📊 Productivity
Free
In-App Purchases

Details

Released
April 24, 2015
Updated
October 1, 2026

Features

Developer

Slackerz Inc
✨Promote your app ✨
Battery Watcher screenshot #1 for iPhone
Battery Watcher screenshot #2 for iPhone
iphone
watch
🧾$1.99
In-App Purchase↘︎
📌Ready
Reviews summary↘︎
⭐92
Reviews↘︎
📝1+ tags
Tags↘︎
🔄6+ apps
Alternatives↘︎
❓5 answered
FAQ↘︎
📦~ in 2 weeks
Updates frequency↘︎
🖼️Get Icon
Icons↘︎

About

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
Show original description

What users say about Battery Watcher

Reviews of Battery Watcher are mostly positive: the Utilities app is rated 4.5/5 from 338 App Store ratings. What users like most: clean and intuitive interface, accurate battery percentage tracking. Top complaints: frequent synchronization issues between iPhone and Watch, app requires manual refresh to show current data. Summarized from real user reviews.

Positive things

  • 👍Clean and intuitive interface
  • 🎯Accurate battery percentage tracking
  • ⌚Seamless Apple Watch integration
  • 🚀Minimal battery drain on device
  • 📊Battery history and graphing features
  • ⏱️Real-time battery status updates
  • 💡Smart charging tips and insights
  • 🔔Helpful notifications for battery levels
  • 📱Works on iPhone and iPad
  • ✨No intrusive ads

Negative things

  • 🐛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
  • 🔌Premium notifications don't always trigger
  • 🎨Cluttered watch interface with excessive text
  • ❌Complication feature unreliable or removed in updates
See all reviews

What's New in Battery Watcher

1.5.0

October 1, 2026

Updated for iOS 27 and watchOS 27

1

Subscriptions & In-App Purchases

$1.99

Battery Watcher Premium

Battery Watcher Premium unlocks the advanced features of Battery Watcher

User reviews

Most RecentHighest RatedLowest Rated

Clear and professional

“This battery app is a game-changer. It provides real-time insights, smart charging tips, and helps extend battery life with minimal effort. Clean interface, accurate stats, and no annoying ads—just solid performance.”
JJfmatt2

Battery Watcher

I just absolutely love the Battery Watcher that I can look to see how much percentage of my battery I have…there’s no wondering how much or how low my battery is…it pretty much assures you your battery will not ever run dry…..Thank You BATTERY WATCHER!
Cchow-4paws

Nicht gut

Zeigt phantasiewerte an.
WBWurst Willi aus Buxsrehude

Sehr gute Unterstützung

Sehr zum empfehlen
🙋🙋🏼‍♀️👍Kukki

App ist tot

Auf Stand von iOS 14. Seit 3 Jahren keine Weiterentwicklung mehr, die App ist tot. Premium gibt es schon gar nicht mehr.
KKubicats
See 87 more reviews

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User experience

🐞

Reported Bugs

9 issues

App fails to communicate with iPhone from Watch

Bug

Battery graphic jumps out of place on iPhone app

Bug

Complication doesn't update without opening app

Bug

Inaccurate battery percentage readings

Bug

App disconnects from Watch frequently

Bug

Premium full-charge notification doesn't work

Bug

App crashes or becomes unresponsive after updates

Bug

White battery icon stuck in corner with display glitches

Bug

Crown interaction doesn't affect graphing as advertised

Bug
✨

Requested Features

8 requests

Low battery mode functionality

Feature

Battery percentage viewing on iPhone (currently watch-only)

Feature

Custom notification alerts at user-defined battery percentages

Feature

User-configurable logging intervals for battery tracking

Feature

Settings menu to customize watch display and disable text clutter

Feature

Complication support for watch face

Feature

Glance feature for quick access

Feature

Better customization options for watch app display

Feature

FAQ

What does Battery Watcher do?

Battery Watcher allows you to view your iPhone's battery status directly on your Apple Watch. It provides real-time battery levels and historical data, making it convenient to check your phone's power without taking it out of your pocket.

What are the key features of Battery Watcher?

Key features include displaying your iPhone's battery status on your Apple Watch, complications for quick viewing on your watch face, and the ability to see your iPhone's power level for the last 24 hours. Premium features offer extended history and full charge alerts.

Is Battery Watcher free to use?

The app offers a free version with core functionality. However, certain advanced features, such as detailed charge history graphs and full charge alerts, are available through a premium upgrade, indicating a freemium model with in-app purchases.

What devices is Battery Watcher compatible with?

The app is designed for Apple Watch and supports watchOS 5 and Apple Watch Series 4. It leverages background processing to keep your Apple Watch updated with your iPhone's latest battery level.

How can I see my iPhone's battery history?

You can view your iPhone's battery history for the last 24 hours directly within the app. For longer history (past 24 and 72 hours) presented in a visual graph, you can upgrade to Battery Level Premium.