# Battery 100% Alarm vs Battery Testing Master

The clearest difference is in-app purchases: Battery 100% Alarm at none against Battery Testing Master's 1. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Battery Testing Master sells 1 one-off in-app purchase. Battery 100% Alarm asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for Battery 100% Alarm against 4.5 for Battery Testing Master. Both are backed by a comparable volume of ratings — 25 and 28 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

## The numbers

| Metric | Battery 100% Alarm | Battery Testing Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (25 ratings)](https://appshunter.io/ios/app/battery-100-alarm/id6498874219/reviews) | **[4.5 (28 ratings)](https://appshunter.io/ios/app/battery-testing-master/id6502358441/reviews)** |
| Number of ratings | 25 | **28** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 5 days |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 8 MB | 40 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pham Ngoc Son](https://appshunter.io/developer/1674969991) | [Nguyen Ngoc Long](https://appshunter.io/developer/1652022123) |

## What reviewers say

### Battery 100% Alarm

[App page](https://appshunter.io/ios/app/battery-100-alarm/id6498874219)

This app helps protect your device's battery by notifying you when it reaches specific charge levels, such as 80%, 90%, or 100%. Customize alert sounds and volume to manage charging and prevent overcharging, extending your device's battery life.

**Highlights:** Multi-level charge alerts (80%, 90%, 100%), Customizable alarm sounds, Adjustable alarm volume, Continuous battery percentage display, iPhone notifications and vibration alerts, Battery charge history charts

**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 100% Alarm free?

Battery 100% Alarm 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 100% Alarm or Battery Testing Master?

Battery Testing Master is rated higher. Battery 100% Alarm averages 4.4 out of 5 from 25 ratings, while Battery Testing Master averages 4.5 from 28 ratings.

### Do Battery 100% Alarm or Battery Testing Master have ads?

Both Battery 100% Alarm and Battery Testing Master show ads.

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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.*