Comparison

Battery Watcher vs CallCue

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • iPhone battery status on Apple Watch
  • Watch face complications
  • 24-hour battery history
  • Visual charge history graph
  • Full charge alerts
Features
Read full description

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!

About

CallCue

Features
Read full description

Remember Every Conversation. Without Trying. CallCue is your personal call memory assistant. Tired of forgetting what was discussed on calls or missing follow-ups? CallCue makes it easy to add quick summaries after calls and set timely reminders so nothing slips through the cracks. Whether it’s a business lead, a client update or even your doctor’s advice — CallCue helps you stay organised by letting you manually log key call points, tag them and set reminders at your convenience. Key Features • Add call summaries or notes manually in seconds • View past discussions before or during the call • Sync securely with iCloud — your notes, always backed up • Lock your notes with Face ID or passcode • Use Widgets for instant access • Built with privacy-first design — your data stays on your device Note: Due to iOS limitations, CallCue cannot detect incoming calls or trigger auto-reminders during calls. You can log notes and set reminders manually after the call ends. Whether you're managing work calls or just keeping up with life, CallCue helps you stay sharp without stressing your memory.

Screenshots

Battery Watcher2 screens
CallCue4 screens

Verdict

The call

The clearest difference is price: Battery Watcher at Free against CallCue's $0.99. CallCue's advantage is in-app purchases (none vs 1) and update cadence (every 5 days vs fortnightly). On ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Battery Watcher is free to download; CallCue costs $0.99 up front. Battery Watcher sells 1 one-off in-app purchase. CallCue asks for nothing beyond the download.

UpkeepUpdate frequency

Battery Watcher ships an update fortnightly, CallCue every 5 days. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 7 level
Battery Watcher versus CallCue: the parameters behind the verdict, then further details
ParameterBattery WatcherCallCue
PriceFree — better$0.99
Rating4.5 (338 ratings) — better—
Positive reviews70.7% of reviews—
Number of ratings338 — better—
Update frequencyFortnightlyEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS18.617.6 — better
Further details — not scored
Size2 MB3 MB
Age rating4+4+
DeveloperSlackerz IncSamrat Mazumdar

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
Show 4 more
  • 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
Show 3 more
  • Complication support for watch face
  • Glance feature for quick access
  • Better customization options for watch app display

CallCue

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Battery Watcher

One-time1
  • Battery Watcher Premium$1.99
None

CallCue

No in-app purchases

Questions

Is Battery Watcher free?
Battery Watcher is free to download, with in-app purchases available.
Is CallCue free?
CallCue costs $0.99, with no in-app purchases.
Do Battery Watcher or CallCue have ads?
Neither Battery Watcher nor CallCue shows ads.
Which is updated more often, Battery Watcher or CallCue?
Battery Watcher ships an update fortnightly, and CallCue every 5 days. Most recently, Battery Watcher was updated on October 8, 2026 and CallCue on October 5, 2026.

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