BatteryPhone is a free utility for iOS and watchOS that displays iPhone and Apple Watch battery levels on watch face complications.
Product velocity
Maintenance
Daily rank 🇺🇸
—
Utilities
Sentiment
3.6
156 reviews
Nemesis
Fragmented field
The App DNA
What makes this app unique?
The app removes the need to open the phone or watch settings to check power levels, though recent synchronization failures now require manual intervention.
For Apple Watch users who require proactive monitoring of their paired iPhone and Watch battery levels.
What does it look like?
Key features
Displays battery levels for both iPhone and Apple Watch on the watch face via complications.
Visualizes charge level changes over approximately one day within the app.
Alerts user when battery drops below a specified percentage or reaches full charge.
How much does it cost?
BatteryPhone is distributed as a free utility with no visible subscription or IAP gates, providing a low-friction experience.
Velocity
Maintenance developmentUX improvementsnew contentShow more...
BatteryPhone has been in a maintenance state for the last 194 days, with only one release recorded in the analyzed window. The latest version introduced a battery level graphing feature and auto-update interval settings, but development has remained stagnant since February 2026. Given the lack of subsequent updates or ongoing feature expansion, the app appears to be in a long-term maintenance cycle.
Who built it?
Keietsu Yasuhara
3 apps tracked · Utilities
１針時計（Pro版）
PanoraView (Panorama photo)User Sentiment
What do users think recently?
The recent review mood reads frustrated. Users appreciate the simple interface and lack of aggressive subscription prompts provide a clean user experience and watch complications offer a convenient way to monitor device power levels without opening the app.
How are ratings & reviews evolving?
What users say, by theme
- The simple interface and lack of aggressive subscription prompts provide a clean user experience
- Watch complications offer a convenient way to monitor device power levels without opening the app
- The latest update introduced severe stability issues including app crashes and blank watch interfaces
49 of 49 recent reviews analyzed · high confidence · Frustrated overall
Read the full review analysisUnlock 2 more frustration themes and 2 user requests, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for BatteryPhone
How's the Utilities market?
BatteryPhone occupies a niche as a free, ad-free utility in the Utilities category. The lack of recent feature expansion compared to the six-month update cadence signals a maintenance-only posture that risks losing ground to more active competitors.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for BatteryPhone
Where is it heading?
The utility market for device monitoring is consolidating around apps with high-frequency update cadences that ensure compatibility with watchOS background processes. BatteryPhone's maintenance-only posture leaves it exposed to synchronization failures, which will continue to drive churn until the core data-refresh mechanism is stabilized.
- Stability regressions in the latest release (crashes, blank screens) erode the daily active habit, compounding the rating drag already visible on the store.
- The six-month update cadence indicates a maintenance-only posture, leaving the app unable to respond to platform-level changes in watchOS synchronization.
The SWOT
- Complication-based monitoring enables glanceable power status.
- Ad-free, subscription-free model provides low-friction experience.
- Siri Shortcuts integration would address top user requests.
- Customizable sync intervals would improve battery-drain control.
Next best moves
Audit background synchronization logic because users report frequent data-refresh failures → restore reliability
+ 1 more prioritized moveThe counter-intuitive read
The app's lack of monetization is its greatest risk…
Read the full takeSince the last report: BatteryPhone has entered a more transparent maintenance phase, with the developer formally committing to Siri Shortcuts integration while clarifying the technical constraints behind persistent synchronization failures.
Bottom line
BatteryPhone's value rests on its simple, ad-free complication, but the recent stability regressions threaten its core utility. Addressing the synchronization failures is the only way to retain the user base against more reliable alternatives.
Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is BatteryPhone free to use?
Why does the battery status on my watch face not update automatically?
Does BatteryPhone support Siri voice commands?
Sources
- [1] App Store, source
Report last updated