# Battery Life checker vs Battery Testing Master

The clearest difference is review sentiment: Battery Life checker at 57% against Battery Testing Master's 0%. Battery Life checker also leads on in-app purchases (none vs 1) and ratings volume (148 vs 19). Battery Testing Master's advantage is rating (4.7 vs 4.0) and update cadence (every 5 days vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Battery Testing Master sells 1 one-off in-app purchase. Battery Life checker asks for nothing beyond the download.

Battery Testing Master holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Battery Life checker has 148 ratings behind it against 19, so its average is the more settled of the two. Written reviews complicate that: 57% of Battery Life checker's written reviews are positive against 0% of Battery Testing Master's, so the app with the better star average is not the one people write more warmly about.

Battery Life checker ships an update every 7 months, Battery Testing Master every 5 days. The most recent releases landed on July 6, 2026 and August 3, 2026 respectively.

## The numbers

| Metric | Battery Life checker | Battery Testing Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (148 ratings)](https://appshunter.io/ios/app/battery-life-checker/id1415060885/reviews) | **[4.7 (19 ratings)](https://appshunter.io/ios/app/battery-testing-master/id6502358441/reviews)** |
| Number of ratings | **148** | 19 |
| Positive reviews | **57.1% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 5 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 11 MB | 40 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tarika Sultana](https://appshunter.io/developer/1135746252) | [Nguyen Ngoc Long](https://appshunter.io/developer/1652022123) |

## What reviewers say

### Battery Life checker

[App page](https://appshunter.io/ios/app/battery-life-checker/id1415060885)

Monitor your device's battery usage with detailed insights into various activities like talk time, internet use, and video playback. It also helps identify who is using your Wi-Fi connection.

**Highlights:** Detailed battery usage breakdown, Wi-Fi connection monitoring, Talk time estimates (3G/4G, 2G), Internet usage tracking (Wi-Fi, 3G/4G/LTE), Estimates for video playback and recording, Standby time remaining

**Features:** macOS Compatibility

**In-app purchases:** none


### Battery Testing Master

[App page](https://appshunter.io/ios/app/battery-testing-master/id6502358441)

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.

**Highlights:** Battery benchmarking, Battery health testing, Mobile device optimization, iOS battery analysis

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


## Frequently asked questions

### Is Battery Life checker free?

Battery Life checker is free to download, with no in-app purchases.

### Is Battery Testing Master free?

Battery Testing Master is free to download, with in-app purchases available.

### Which has better reviews, Battery Life checker or Battery Testing Master?

Battery Testing Master is rated higher. Battery Life checker averages 4.0 out of 5 from 148 ratings, while Battery Testing Master averages 4.7 from 19 ratings.

### Do Battery Life checker or Battery Testing Master have ads?

Both Battery Life checker and Battery Testing Master show ads.

### Which is updated more often, Battery Life checker or Battery Testing Master?

Battery Life checker ships an update every 7 months, and Battery Testing Master every 5 days. Most recently, Battery Life checker was updated on July 6, 2026 and Battery Testing Master on August 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*