# Penguin Checker — In-house battery testing tool

> Internal battery testing and device metric analysis tool for professionals. (iPhone/iPad app by Wai-Ming Chan.)

- Source: https://appshunter.io/ios/app/penguin-checker/id6692630535 (this page in markdown: same URL + `.md`)
- Developer: [Wai-Ming Chan](https://appshunter.io/developer/1769013729)
- Category: Developer Tools, Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 16.6 · 11 MB
- Languages: English
- Released: 2024-09-25
- Data updated: 2026-06-12
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/penguin-checker/id6692630535/reviews.md

## What is Penguin Checker?

Discover the power of advanced device scanning with our in-house app, specifically designed for internal use by professionals. Whether you're monitoring performance metrics, analyzing data, or troubleshooting devices, this app delivers precision and efficiency for internal teams.

Key Features:

Device Scanning: Analyze a wide range of device metrics in real-time.
User-friendly Interface: Intuitive design for easy navigation, suitable for internal team members.
Built for engineers, QC/QA teams, and tech support who need accurate, efficient device insights within the organization.

## Key features

- Advanced device scanning
- Real-time performance metrics
- Data analysis
- Troubleshooting tools
- User-friendly interface


## Frequently asked questions about Penguin Checker

### What is Penguin Checker used for?

Penguin Checker is an in-house tool designed for professionals to perform advanced device scanning, monitor performance metrics, analyze data, and troubleshoot devices efficiently within an organization.

### Who is the target audience for Penguin Checker?

The app is built for engineers, QC/QA teams, and tech support professionals who need accurate and efficient device insights for internal use.

### Is Penguin Checker available on Android devices?

Currently, Penguin Checker is supported on iPhone and iPad devices. Information regarding Android support is not provided in the current data.

### How often is Penguin Checker updated?

The latest version of Penguin Checker is 1.2.4, and it was last updated on October 10, 2024. This indicates a recent update frequency.

### What is the rating of Penguin Checker?

Penguin Checker has a high rating of 5.0 stars, based on 1 rating. This suggests a very positive initial user reception.

### Does Penguin Checker have ads?

No, Penguin Checker does not contain advertisements. The app is free and does not include any in-app purchases or ads.

### What is the age rating for Penguin Checker?

Penguin Checker has an age rating of 4+, making it suitable for a wide range of users, including younger professionals.

### Can Penguin Checker be used offline?

The provided description does not specify whether Penguin Checker can be used offline. Its primary function as a device scanning tool might require an active connection for real-time data.

## Version history (last 5 releases)

### 1.2.4 — 2024-10-10

- Improved the app icon
- Improved the custom search with more information showing

### 1.2.3 — 2024-10-09

- FIxed bugs on the display information.

### 1.2.2 — 2024-10-08

- Updated the main page so that each function icon is now bigger
- Added On/Off button to control the camera flash light
- Improve the smoothness of label matching function

### 1.2.1 — 2024-10-02

- Improved the smoothness of bluetooth connections
- Added an offline scanning function

### 1.2 — 2024-09-27

Improve the smoothness of the QR code scanning, turned on camera light.

## More apps by Wai-Ming Chan

- [Picard Checker 2](https://appshunter.io/ios/app/picard-checker-2/id6723902535)

All apps by Wai-Ming Chan: https://appshunter.io/developer/1769013729

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-12.*