Battery Watcher vs Battery Tracker Plus
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 Tracker Plus
Monitor your vehicle's battery status remotely via Bluetooth. View real-time voltage, historical graphics, and perform system tests. Receive alerts and track mileage and cost data for up to four vehicles.
- Bluetooth battery monitoring
- Real-time and historical voltage graphics
- Cranking and charging system test
- Warning alerts
- Mileage and cost tracking
- Supports 4 vehicles
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The Battery Tracker Plus is a great tool for monitoring the Battery status in any of your vehicles... 6v, 12v, or 24v, Lead or Lithium. It can also monitor other battery systems. The Battery Tracker Plus allows you to see your Battery Voltage and other important data directly on your Phone via Bluetooth, no need to see or touch the battery to know its status. It also has real time and historical voltage graphics so you can see the effects of parasitic drains, the state of charge, temperature and even has a Cranking and Charging system test feature. Other features include warning alerts sent to your phone, Tracking of Mileage and Cost data, ability to Track 4 vehicles on the App.
Screenshots
Verdict
The clearest difference is rating: Battery Watcher at 4.5 against Battery Tracker Plus's 2.8. Battery Watcher also leads on review sentiment (71% vs 50%) and ratings volume (338 vs 13). Battery Tracker Plus's advantage is in-app purchases (none vs 1) and iOS requirement (15.6 vs 18.6). On price, ads 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 Tracker Plus asks for nothing beyond the download.
Battery Watcher holds the better App Store score, 4.5 against 2.8. That said, the two scores are not equally well evidenced: Battery Watcher has 338 ratings behind it against 13, 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 50% of Battery Tracker Plus's.
Battery Watcher ships an update fortnightly, Battery Tracker Plus monthly. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.
| Parameter | Battery Watcher | Battery Tracker Plus |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (338 ratings) — better | 2.8 (13 ratings) |
| Positive reviews | 70.7% of reviews — better | 50.0% of reviews |
| Number of ratings | 338 — better | 13 |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, Apple Watch | iPhone, iPod, Apple Watch — better |
| Requires iOS | 18.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 2 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Slackerz Inc | Antigravity Batteries LLC |
Customer experience
Battery Watcher
Battery Tracker Plus
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 Tracker Plus
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Battery Watcher
- Battery Watcher Premium$1.99
Battery Tracker Plus
No in-app purchases
Questions
Is Battery Watcher free?
Is Battery Tracker Plus free?
Which has better reviews, Battery Watcher or Battery Tracker Plus?
Do Battery Watcher or Battery Tracker Plus have ads?
Which is updated more often, Battery Watcher or Battery Tracker Plus?
Other comparisons
