# Cr Calc – Cold Room Calculator > Cold room heat gain calculator with project management and PDF export. (iPhone/iPad app by Anatoliy Gershman.) - Source: https://appshunter.io/ios/app/cr-calc-cold-room-calculator/id1443169073 (this page in markdown: same URL + `.md`) - Developer: [Anatoliy Gershman](https://appshunter.io/developer/1443169072) - Category: Utilities, Reference - Price: Free with in-app purchases - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 15.0 · 4 MB - Languages: American English, Russian - Released: 2019-06-11 - Data updated: 2026-06-02 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/cr-calc-cold-room-calculator/id1443169073/reviews.md ## What is Cr Calc? Fast and Easy to Use Cr Calc is a native and responsive iOS app optimized for fast operation. All calculations are made on-the-fly as you input new data. Supported Heat Gain Types • Transmission through construction • Solar (simplified) • Ventilation • Infiltration • Goods refrigeration and respiration • Illumination • Staff • Forklifts and other equipment Large Selection of Construction Materials Select from a wide variety of insulation and construction materials. Multilayer constructions are also supported. Lots of Goods Choose from a various selection of goods to make precise calculations. In-app Help If you ever get lost in input parameters and heat gain types, you can use a guide icon in the top right corner to read a short description of the selected heat gain type and its input parameters. Project Organization It is easy to organize multiple calculations thanks to the support of Projects and Archive. Move no longer needed projects to the Archive for future reference or use them as templates for new calculations. PDF Export With an optional Cr Calc Pro subscription, you can export calculation results in PDF or print them right away if needed. Subscription Details • Cr Calc Pro is an optional subscription to unlock calculation results export in PDF and support future development. • Cr Calc Pro monthly and annual subscriptions are available. • Payment will be charged to your iTunes account at confirmation of purchase. • Your subscription will automatically renew unless auto-renew is disabled at least 24 hours before the end of the current subscription period. • Subscriptions can be managed or cancelled by going to Account Settings on the App Store after purchase. Terms of Service: https://crcalc.com/termsofservice Privacy Policy: https://crcalc.com/privacypolicy ## Key features - On-the-fly calculations - Multiple heat gain types - Extensive material selection - Project organization - In-app help guide - PDF export (Pro feature) ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Pro (Monthly) | $0.99 | per month | | Pro (Yearly) | $9.99 | per year | ## Frequently asked questions about Cr Calc ### What is Cr Calc? Cr Calc is a native iOS application designed to quickly and easily calculate heat gain for cold rooms. It supports various heat gain types, construction materials, and offers project organization features. ### How does Cr Calc calculate heat gain? Cr Calc performs calculations on-the-fly as you input data. It supports heat gain from transmission through construction, solar, ventilation, infiltration, goods, illumination, staff, and equipment. ### Can I organize my calculations with Cr Calc? Yes, Cr Calc allows you to organize multiple calculations using Projects and an Archive. You can move projects to the Archive for future reference or use them as templates for new calculations. ### Does Cr Calc have ads? No, Cr Calc does not contain advertisements. ### What are the benefits of Cr Calc Pro? The optional Cr Calc Pro subscription unlocks the ability to export calculation results in PDF format. This subscription also supports future development of the app. ### How much does Cr Calc Pro cost? Cr Calc Pro offers monthly and annual subscription plans. The monthly plan is $0.99, and the annual plan is $9.99, which includes a one-month free trial. ### How do I manage or cancel my Cr Calc Pro subscription? Subscriptions can be managed or cancelled by going to your Account Settings on the App Store after purchase. Auto-renewal can be disabled at least 24 hours before the end of the current subscription period. ### What devices is Cr Calc compatible with? Cr Calc is a native iOS app compatible with iPhone, iPad, and iPod devices. ## Version history (last 5 releases) ### 1.3.0 — 2023-11-07 - Added support for the latest iOS and iPadOS versions. - Updated interface to match system style. - Other minor fixes and improvements. ### 1.2.0 — 2021-03-25 - Fixed Transmission view text labels not showing correctly in Dark Mode. - Other minor fixes. ### 1.1.6 — 2021-02-07 - Adjusted capacity reserve calculation for chiller/freezer cold rooms. - Adjusted approximate heat gain calculation from air coolers fans for chiller/freezer cold rooms. - Fixed cooling capacity reserve value displayed partially in some cases. - Other minor fixes. ### 1.1.5 — 2020-07-19 - Changed kilowatt symbol to kW. - Other minor fixes. ### 1.1.4 — 2020-06-01 - Added context menus support. - Improved mouse/trackpad support for iPadOS 13.4 and up. - Fixed a crash that could occur when changing cold room product type. - Fixed a crash that could occur when deleting currently selected project. - Other minor fixes. ## Apps similar to Cr Calc | App | Rating | Price | Category | | --- | --- | --- | --- | | [Cryo Phone Cooler](https://appshunter.io/ios/app/cryo-phone-cooler/id1631768570) | 2.3 (3) | Free | Utilities | | [Blue Cold Heat Load Calculator](https://appshunter.io/ios/app/blue-cold-heat-load-calculator/id6590624925) | 5.0 (1) | Free | Utilities | | [Duct Calculator S&P](https://appshunter.io/ios/app/duct-calculator-s-and-p/id1096043356) | 5.0 (1) | Free | Utilities | | [AC Calculator - HVAC Sizing](https://appshunter.io/ios/app/ac-calculator-hvac-sizing/id1537174761) | 4.8 (20) | Free | Utilities | | [CleanApp: phone cleaner +](https://appshunter.io/ios/app/cleanapp-phone-cleaner-plus/id6444273309) | 3.7 (3) | Free | Utilities | | [Arctic Cooler](https://appshunter.io/ios/app/arctic-cooler/id1643070262) | — | Free | Utilities | ## More apps by Anatoliy Gershman - [Balance – Personal Finance](https://appshunter.io/ios/app/balance-personal-finance/id1606536498) All apps by Anatoliy Gershman: https://appshunter.io/developer/1443169072 ## Related topics [enfriar iphone](https://appshunter.io/ios/topics/enfriar-iphone) · [freezer](https://appshunter.io/ios/topics/freezer) · [cold](https://appshunter.io/ios/topics/cold) · [frzr](https://appshunter.io/ios/topics/frzr) · [ovld](https://appshunter.io/ios/topics/ovld) · [cool calc](https://appshunter.io/ios/topics/cool-calc) --- *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 2026-06-02.*