BAST: Battery Status

BAST: Battery Status

By Patrick Fezer

BAST is a battery diagnostics utility for iPhone, iPad, and Apple Watch that extracts hardware performance metrics from manual analytics log imports.

The App DNA

What makes this app unique?

Users access BAST to verify battery longevity and cycle counts when evaluating used hardware, bypassing the limitations of standard system settings.

For iPhone, iPad, and Apple Watch users seeking granular diagnostic data beyond the standard system settings.

What does it look like?

Key features

Analytics Log Importedge

Manual ingestion of Apple-generated battery analytics files to extract hardware performance metrics.

Battery Health Trackingstandard

Displays current, maximum, and minimum capacity metrics including values exceeding 100 percent.

Apple Watch Integrationedge

Automatic detection and analysis of paired Apple Watch battery data.

How much does it cost?

freeFree

BAST is distributed as a free utility with no visible subscription or in-app purchase gates, prioritizing accessibility over monetization.

Velocity

Maintenance developmentUX improvementsShow more...

BAST: Battery Status is currently in a maintenance phase, having shipped only one release in the last 117 days. Development activity is minimal, with the latest release focusing solely on minor UI adjustments. There is no evidence of a recurring event schedule or active feature development. The current cadence suggests a focus on basic stability rather than iterative growth.

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Who built it?

Patrick Fezer

2 apps tracked · Utilities

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User Sentiment

What do users think recently?

Fresh user feedback skews excited. Users appreciate battery cycle count and health metrics provide essential transparency for used device buyers and owners and simplified analytics log parsing saves users from manually searching through complex system diagnostic files.

How are ratings & reviews evolving?

App Store
4.56 · 300

What users say, by theme

What Users Love
  • Battery cycle count and health metrics provide essential transparency for used device buyers and owners
  • Simplified analytics log parsing saves users from manually searching through complex system diagnostic files
  • Absence of advertisements and subscription paywalls makes the utility accessible and trustworthy for all users
What Frustrates Users
  • Difficulty locating or accessing the required analytics log file prevents users from completing the setup
+ 1 more theme

25 of 25 recent reviews analyzed · moderate confidence · Excited overall

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Competition

Competitive landscape for BAST: Battery Status

How's the Utilities market?

BAST occupies a niche within the Utilities category, serving as a specialized diagnostic tool rather than a mass-market app. Its free, ad-free model differentiates it from ad-supported battery monitors, though the manual setup process limits its reach compared to automated system-level alternatives.

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The rivals identified

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The Analyst's Read

Key takeaways for BAST: Battery Status

Where is it heading?

The battery diagnostics market is consolidating around system-native tools, yet BAST retains a loyal user base by surfacing data that Apple hides. The app's future depends on the continued availability of analytics logs, and the current maintenance-only cadence suggests the developer is prioritizing stability over expansion.

  • The maintenance-only release cadence leaves the app vulnerable to OS-level changes, which frequently break the core log-parsing functionality.
  • The absence of ad-based monetization continues to drive positive sentiment among users who value privacy and transparency.

The SWOT

Core Strengths
  • Manual analytics ingestion provides hardware-level transparency beyond standard iOS settings
  • Ad-free, no-subscription model builds user trust
Critical Frictions 2 weaknesses inside
Growth Levers
  • Automated log-file detection would remove the primary setup barrier for casual users
Market Threats 1 threat identified

Next best moves

1 Invest · 1 Maintain

Automate log file detection because manual ingestion is the top-cited setup friction → increase new-user conversion

+ 1 more prioritized move

The counter-intuitive read

The app's manual, high-friction setup is actually a brand asset…

Read the full take

Since the last report: The app remains in a maintenance-only state with no changes to features, pricing, or user sentiment. The primary shift is a more defined strategic focus on maintaining log-parsing compatibility against iOS updates.

Bottom line

BAST remains a valuable utility for hardware verification, but its reliance on manual log ingestion creates a persistent churn risk for casual users. Automating the setup flow would unlock a broader audience, as the current friction prevents the app from scaling beyond technical enthusiasts.

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FAQ

Is BAST safe to use for checking battery health?
BAST is a diagnostic tool that parses Apple's own analytics log files. It does not modify system settings or hardware, and users report it as a trustworthy way to verify battery health for used devices.
Why is it hard to find the analytics file for BAST?
The analytics files are generated by iOS for system diagnostics and are not intended for easy user access. BAST requires users to manually locate and import these files, which is the primary source of setup friction.
Does BAST work on the latest iOS version?
BAST is updated periodically to maintain compatibility with system log structures. However, users report that major iOS updates can occasionally break the log-parsing functionality until a fix is released.
What is the difference between BAST and standard battery settings?
Standard iOS settings provide a simplified battery health percentage. BAST extracts raw data from system logs to show more granular details, such as exact charge cycle counts and capacity fluctuations.

Sources

  1. [1] App Store, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by BAST: Battery Status, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The app remains in a maintenance-only state with no changes to features, pricing, or user sentiment. The primary shift is a more defined strategic focus on maintaining log-parsing compatibility against iOS updates.

shifted

Setup friction repositioned as brand asset

shifted

Formalized maintenance strategy

Cite this report

Marlvel.ai. “BAST: Battery Status Intelligence Report.” Updated Aug 14, 2026. https://marlvel.ai/apps/bast-battery-status

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