X-Ray Timer

Developer: Lance Henderson

Category: Tools

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800 installs

16 ratings

67 monthly active users

Revenue not available

X-Ray Timer Summary

X-Ray Timer is a mobile iOS app in Tools by Lance Henderson. Released in Jan 2010 (16 years ago). It has 16 ratings with a 4.63★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 67 monthly active users . Store metadata: updated Sep 30, 2016.

Store info: Last updated on App Store on Sep 30, 2016 .

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App Details

Store ID: 350390647

First Released: 2010-01-14

Store Last Updated: 2016-09-30

In-App Purchases: No

Ads: No

Website: lancehenderson.com

App Store

Crawl Status: Success

AppGoblin First Crawled: 2025-04-04

AppGoblin Last Crawled: 2026-04-13

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4.63★

Ratings: 16

5★

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1★

Screenshots

App Description

Updated for iOS10.

Only Useful for Industrial Radiographers!

This is an application to replace the aggravating usage of slide rules to calculate radiography shot times.

It is applicable to Industrial Radiographers working with radioactive materials (not x-ray machines).

It works with both Iridium and Cobalt sources.

This app has been tested in the field with working radiography crews and the response has be great.

Just set the number of curies, the thickness of the steel (inches), and the source to film distance (in inches). Hit the calculate button and you will have the exposure time.