Battery Saver - Power Master
Battery Saver - Power Master is a utility app for iPhone that provides battery status monitoring, runtime predictions, and charging screensavers.
The App DNA
What makes this app unique?
Users monitor battery health to avoid unexpected power loss, a need now largely addressed by native iOS system settings.
For iPhone users seeking granular battery status monitoring and visual customization during charging.
What does it look like?
Key features
Calculates estimated remaining device usage time based on current battery status.
Displays visual themes while the device is connected to power, gated by a subscription.
Alerts the user when the device reaches 100% battery capacity.
How much does it cost?
Subscription model anchored by a low-cost weekly entry point to drive recurring revenue from casual users.
Velocity
Dormant developmentopaqueShow more...
Battery Saver - Power Master has been inactive for 1852 days, indicating the project is no longer receiving updates. The development history consists of a single minor release from 2021, which provided only generic product experience optimizations. There is no evidence of ongoing maintenance, feature development, or operational support.
Who built it?
Binary Bridge HK
4 apps tracked · Utilities
Home Security Camera Finder
ワンタップでAIクリーンアップ
Ads Blocker - Fast & CompleteUser Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Battery Saver - Power Master
How's the Utilities market?
Battery Saver - Power Master operates in the Utilities category with a 4.08 rating across 228 total ratings. The lack of updates since 2021 positions the app as a legacy tool in a market now dominated by native system-level battery management.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Battery Saver - Power Master
Where is it heading?
The battery utility market has consolidated around native system features, leaving third-party tools like Battery Saver - Power Master with little room to grow. The five-year development silence confirms this app is in a terminal state, meaning any continued subscription attempt will likely increase negative sentiment.
- The five-year update gap signals that the publisher has abandoned the product, which erodes trust for any recurring subscription model.
The SWOT
- Battery runtime prediction encourages daily app usage
- Pivot to a free utility model to maintain brand presence
Next best moves
Sunset the subscription-gated screensaver model because the app has not received a feature update in over five years → reduce user churn from perceived abandonment.
The counter-intuitive read
The app's greatest threat is not a competitor…
Read the full takeBottom line
The lack of development since 2021 makes the subscription model a liability, so sunsetting the paid tier would align the app's monetization with its current legacy status.
Unlock 2 critical frictions, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is Battery Saver - Power Master still being updated?
Does the app require a subscription to use?
Is this app better than the built-in iPhone battery settings?
Sources
- [1] App Store
Report last updated