# Penlight. — Pupil Exam Tool

> Digital penlight, ruler, and calibration tool for educational examination purposes. (iPhone/iPad app by My Call Bag LLC.)

- Source: https://appshunter.io/ios/app/penlight/id6621271103 (this page in markdown: same URL + `.md`)
- Developer: [My Call Bag LLC](https://appshunter.io/developer/1243282862)
- Category: Utilities, Health & Fitness
- Price: $1.99
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 16.0 · 1 MB
- Languages: American English
- Released: 2024-12-07
- Data updated: 2026-09-01
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/penlight/id6621271103/reviews.md

## What is Penlight.?

Key Features:
- Digital Penlight: Adjustable brightness slider for precise illumination
- Easy Calibration: Quickly calibrate with a credit card to for accurate measurements
- Color Inversion: Easily switch between light and dark modes for different examination needs
- Ruler: Metric and imperial ruler for quick measurements

Disclaimer: This app is intended for educational purposes only. It is not to be used for the diagnosis or treatment of any medical condition.

## Key features

- Adjustable digital penlight brightness
- Credit card calibration for accuracy
- Color inversion for light/dark modes
- Metric and imperial ruler
- Educational examination tool

## Chart rankings

- #186 in Top Paid · Utilities (US App Store)


## Frequently asked questions about Penlight.

### What is Penlight used for?

Penlight is a digital tool designed for educational purposes, offering features like an adjustable penlight, a ruler, and calibration capabilities for examination needs.

### How much does Penlight cost?

Penlight is a paid application, priced at $1.99. It does not appear to have any in-app purchases or advertisements.

### Does Penlight have ads?

No, Penlight is ad-free, providing an uninterrupted user experience for its educational examination features.

### What devices does Penlight support?

Currently, Penlight is available for iPhones. It has not been specified for other device types like iPads or Android devices.

### How often is Penlight updated?

Penlight was last updated on December 10, 2024, with version 1.2. This indicates a recent update, suggesting ongoing development and support.

### What is the age rating for Penlight?

Penlight has an age rating of 4+, making it suitable for a wide range of users, including younger individuals for educational purposes.

### Can Penlight be used for actual medical diagnosis?

No, Penlight explicitly states it is intended for educational purposes only and should not be used for the diagnosis or treatment of any medical condition.

### How accurate is the Penlight ruler?

The app includes a ruler with metric and imperial measurements for quick reference. It also features an easy calibration function using a credit card to ensure accurate measurements.

## Version history (last 3 releases)

### 1.2 — 2024-12-10

Bug fixes

### 1.1 — 2024-12-08

- Bug fixes
- New welcome screen

### 1.0 — 2024-12-07

No release notes.

## Apps similar to Penlight.

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [Tally Light](https://appshunter.io/ios/app/tally-light/id6476167649) | — | Free | Utilities |
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| [Si-Link](https://appshunter.io/ios/app/si-link/id1484583420) | — | Free | Utilities |
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## More apps by My Call Bag LLC

- [Ullman Indirect](https://appshunter.io/ios/app/ullman-indirect/id1243282866)
- [Eye Chart Watch App](https://appshunter.io/ios/app/eye-chart-watch-app/id6468593868)
- [My Call Bag: Eye & Neurology](https://appshunter.io/ios/app/my-call-bag-eye-and-neurology/id6471442410)
- [Scoville Heater Meter](https://appshunter.io/ios/app/scoville-heater-meter/id6473058296)
- [眼图](https://appshunter.io/ios/app/id6473678056)
- [OKN Drum: Optokinetic](https://appshunter.io/ios/app/okn-drum-optokinetic/id6474153180)

All apps by My Call Bag LLC: https://appshunter.io/developer/1243282862

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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 2026-09-01.*