BAST vs Battery Testing Master
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BAST
This app provides in-depth battery diagnostics for Apple devices. It analyzes analytics logs to reveal battery health, charge cycles, and capacity details, offering insights beyond standard system information.
- Battery health analysis
- Charge cycle count
- Battery capacity details
- Device and OS information
- Apple Watch support
- Analytics log import
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BAST – Your Battery Diagnostics Companion BAST is a powerful and easy-to-use battery diagnostics tool that gives you deep insights into the condition of your iPhone, iPad or Apple Watch battery. Using Apple’s own analytics log files, BAST extracts and analyzes key data to provide detailed information, including: - Device and operating system details - Battery health (even values above 100%) - Charge cycle count - Current, maximum and minimum battery capacity Apple Watch is supported automatically if paired with the same iPhone. Simply import the analytics file — BAST will guide you through every step. A built-in manual explains the process clearly and helps you get started right away.
Battery Testing Master
This application benchmarks the battery performance of mobile devices. It provides a comprehensive test for battery health, suitable for both new and used batteries on iOS devices.
- Battery benchmarking
- Battery health testing
- Mobile device optimization
- iOS battery analysis
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Battery test master is a battery benchmarking application designed specifically for mobile devices. This is also the perfect test for your iOS battery, regardless of whether the battery is new or used, download it now and try it out.
Screenshots
Verdict
BAST and Battery Testing Master both sit at 4.6 stars, but that hides the real split: 76% of BAST's written reviews are positive against 0% of Battery Testing Master's. BAST also leads on in-app purchases (none vs 1) and ads (none vs shown). Battery Testing Master's advantage is update cadence (every 5 days vs every 2 weeks) and iOS requirement (14.0 vs 17.0). On price, rating 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 Testing Master sells 1 one-off in-app purchase. BAST asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.6 for BAST against 4.7 for Battery Testing Master. That said, the two scores are not equally well evidenced: BAST has 310 ratings behind it against 19, so its average is the more settled of the two. Written reviews are what separate them: 76% of BAST's written reviews are positive against 0% of Battery Testing Master's.
BAST ships an update every 2 weeks, Battery Testing Master every 5 days. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.
| Parameter | BAST | Battery Testing Master |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (310 ratings) | 4.7 (19 ratings) — better |
| Positive reviews | 75.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 310 — better | 19 |
| Update frequency | Every 2 weeks | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Patrick Fezer | Nguyen Ngoc Long |
Customer experience
BAST
Battery Testing Master
Bugs and requests
BAST
Reported bugs
9 issues- Tasks to import non-existent file
- App locks privacy/analysis file
- Incorrect variable used for battery capacity
- Analytics data does not contain battery health stats
- Analytics data is impossible to share/export
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- App told user their iPad was an iPhone
- Import button does nothing
- App does not work on iPad mini gen 5 with iOS 17.x
- No longer works with iPad/iOS 16
Requested features
3 requests- Clarify instructions for file import
- Explain why privacy/analysis file gets locked
- Ensure compatibility with all iPad models and OS versions
Battery Testing Master
Not enough reviews yet to summarise bugs or requests.
In-app purchases
BAST
No in-app purchases
Battery Testing Master
- Remove ads$1.99
Questions
Is BAST free?
Is Battery Testing Master free?
Which has better reviews, BAST or Battery Testing Master?
Do BAST or Battery Testing Master have ads?
Which is updated more often, BAST or Battery Testing Master?
Other comparisons
