--- title: "Thermal Light - Reviews, Revenue and Downloads in United States | Apple App Store" description: "Thermal Light is the first of its kind app that uses black body radiation of an object (iron/steel, copper, ceramics) to determine temperatures between 1000F and 2700F. Very hot objects irradiate lig" --- # Thermal Light — United States ![Thermal Light App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/12/20/f6/1220f624-09ab-0c35-cfc6-332bde4eb5ce/AppIcon-1x_U007emarketing-0-6-0-85-220-0.png/434x0w.png) **Developer:** [Crystal Clear Solutions](https://apptail.io/developer/crystal-clear-solutions-Mkp) (United States) **Category:** Utilities **Rating:** 2.6/5 (5 ratings) **Price:** $1.99 **Bundle ID:** com.houseofficer.ThermalLight **Store:** Apple App Store **Country:** United States **Version:** 1.220 (released 2026-06-02) **Original Release:** 2011-11-04 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id476998738) **AppTail Page:** [https://apptail.io/app/thermal-light-ACWc/united-states](https://apptail.io/app/thermal-light-ACWc/united-states) ## Thermal Light Description Thermal Light is the first of its kind app that uses black body radiation of an object (iron/steel, copper, ceramics) to determine temperatures between 1000F and 2700F. Very hot objects irradiate light; the app uses this light to determine the temperature between 1000 and 2700F. The app has been calibrated against a certified IR thermometer. Why spend $900 for an IR or optical thermometer when you can convert your iPhone to do the same thing? This is great for knowing the temperature of your steel for working. Temperature increments are 50F. Please go to support website for more details at ## Thermal Light Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple124/v4/9f/e0/1b/9fe01b05-9295-9525-3ad8-fb79acb0677f/mzl.fnhffhuh.png/640x960.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple124/v4/26/fe/d9/26fed9fd-a33c-ff75-2566-583adb26b65b/mzl.nlvjptqe.png/640x960.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple124/v4/54/1c/da/541cda57-44e0-0796-217e-76c264fe8790/mzl.wwayjioj.png/640x960.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple114/v4/d6/de/a4/d6dea4a3-c5e3-f63a-1d47-d30ee336259b/mzl.khyjjgkk.png/640x960.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/Purple114/v4/b8/1a/74/b81a7422-4f5f-77d0-a20d-29dc3bc6de4f/mzl.jlsgattl.png/640x960.png) ## Thermal Light Rating Breakdown in United States - 5 stars: 2 (40%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 3 (60%) ## Thermal Light Reviews in United States ### *---- "Trash" Trash app can’t use it unless it’s dark I can’t even use it -- bellglade, 2026-09-21 ### *---- "Dead app please update" I love this app and have used it for years to double check my heat treat oven calibration It is no longer compatible with iPhone OS and does not work at all now If they ever update I’ll change my review to 4 stars -- TomKinForge, 2019-03-19 ### *---- "DO NOT BUY" Pice of crap app -- Mb4908, 2013-04-14 ### **--- "No luck." I thought this would be handy for HTing knives, but I haven't had any luck with it. I tried calibrating then using it to read a steel that I knew the austentitic temp for, in light and dark, but could not get an accurate read. -- Ruger. Colt. Winchester., 2012-12-27 ### ***** "Don't melt your phone" I tried this app out on my ceramic kiln. Worked very well. impressive. Handy backup for my high temperature thermometer. -- CappsPotts, 2012-12-21 ### *---- "Metal casting furnace" Of all the apps I have bought this one is almost totally useless. To calibrate you are supposed to point it at a light and keep trying until you get the x in the magic spot. So I do this for the low temp then the high. But find out that whatever one you have it calibrated it losses the previous calibration. Oh well I think I can work around that so I calibrate it again for the low temperature. Note: I did this in my garage at night. Then stepping outside to where my metal melting furnace is running. Now the thing says it needs calibrated again. So one more time trying to calibrate this at the operating furnace. I can not get it to calibrate looking down in the glory hole where my crucible is. This even though the crucible is red hot . At this time on a scale of one to ten = 0 -- Bill T2, 2012-04-26 ### ***** "Useful tool for the shop" Well worth the purchase. Simple to use and very helpful. -- I_rivera79, 2011-11-17 ### ***** "Amazing" Thank you. I used it to measure the temperature of my brick forge. Seemed right on! -- Abracadabra66, 2011-11-16 ### ***** "Good purchase!" Calibration takes some practice but overall it works well. A nice effort for something that would cost a lot of money. -- Neidell, 2011-11-13 ### ***** "Works well." Takes a moment to calibrate, and it will only work with really hot objects (>1000 deg F) but it works surprisingly well. Be sure to read the help for calibration instructions. -- SomeRandomName, 2011-11-10 [View all Thermal Light reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews) ## Thermal Light Discovered Keywords - thermal light ## Thermal Light Available In - [United States](https://apptail.io/app/thermal-light-ACWc/united-states) - [Canada](https://apptail.io/app/thermal-light-ACWc/canada) - [Greece](https://apptail.io/app/thermal-light-ACWc/greece) - [Ireland](https://apptail.io/app/thermal-light-ACWc/ireland) - [Kuwait](https://apptail.io/app/thermal-light-ACWc/kuwait) - [Netherlands](https://apptail.io/app/thermal-light-ACWc/netherlands) - [Norway](https://apptail.io/app/thermal-light-ACWc/norway) - [New Zealand](https://apptail.io/app/thermal-light-ACWc/new-zealand) - [Saudi Arabia](https://apptail.io/app/thermal-light-ACWc/saudi-arabia) - [South Africa](https://apptail.io/app/thermal-light-ACWc/south-africa) - [Algeria](https://apptail.io/app/thermal-light-ACWc/algeria) - [Australia](https://apptail.io/app/thermal-light-ACWc/australia) - [Vietnam](https://apptail.io/app/thermal-light-ACWc/vietnam) - [Israel](https://apptail.io/app/thermal-light-ACWc/israel) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. 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