HOTCalculator5.1.1 - App Store
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Publisher Description
Calculate hold-over time fast and easy with the HOTCalculator! With this app you can find the holdover-time in a few seconds. No more searching for the right page and table in your paper manuals. Very handy tool for all pilots during winter ops.
The perfect tool to include in your Electronic Flight Bag!
Features:
- Support for Type I, Type II, Type III and Type IV de-icing and anti-icing fluids
- *NEW*: Select FAA or Transport Canada HOT guidelines
- Use °C or °F as appropriate
- *NEW*: Includes adjusted holdover times for anti-icing with flaps extended
- Usable in flight mode, when you need it the most
- Set a timer that gives off an alarm when the holdover-time expires
- Includes Allowance Times for Type IV fluids
Terms of use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Version History Bugfix: TC/FAA and Celsius/Fahrenheit selection works again. 5.1.1 Sep 24 Fluids updated for winter 2026-2027. 5.1 Sep 15 - Bugfix: Timer counting down in background (iOS 26)
- Bugfix: Fetching subscription data before loading the view. 5.0.1 10/01/2025 Updated Holdover times for winter 2025-2026.
Entirely rewritten in SwiftUI. 5.0 09/25/2025 - Holdover times for winter 2024-2025
- Select FAA or Transport Canada HOT guidelines
- Includes adjusted holdover times for anti-icing with flaps extended 4.0 10/22/2024 Updated for winter 2023-2024. 3.7 09/22/2023 Holdover Times Updated for Winter 2022-2023. 3.6 09/27/2022 Timer and critical alert when Holdover-time expires. 3.5 12/30/2021 Corrections to new fluid. 3.4.2 10/19/2021 Added brand specific type IV fluid: Clariant Safewing MP IV Launch.
(All data is updated for winter 2021-2022.) 3.4.1 10/14/2021 Updated holdover times and allowance times for winter 2021-2022.
Improved dark mode. 3.4 09/27/2021 Updated Hold Over Times and Allowance Times for winter 2020-2021. 3.3.1 10/14/2020 - Updated hold-over time tables for winter 2020-2021, in accordance with Transport Canada guidelines. 3.3 10/07/2020 Adaptivity to all Apple devices.
Improved launch from URL schedule. 3.2.1 02/12/2020 - iOS 13 compatibility, including dark mode 3.2 10/29/2019 Updated Hold Over Times for winter 2019-2020. 3.1.1 09/28/2019 - Updated hold-over time tables for winter 2018-2019.
- Allowance times for Ice Pellets and Small Hail for Type IV fluids included.
- Guidance on allowance times included.
- Snowfall Intensity vs Visibility table included. 3.1 09/27/2018 - Added hold-over time table for ABAX Ecowing AD-2 Type II. 3.0.1 03/31/2018 Updated holdover tables for winter 2017-2018.
Data from FAA in accordance with EASA SIB 2017-11 (Global Aircraft De-icing Standards).
User interface reworked, compatible with iOS 11.
Possibility to use in split view and side-by-side.
Possibility to open from other apps such as FlightBriefing. 3.0 10/26/2017 - Updated hold-over time tables for winter 2016-2017. 2.1.5 09/26/2016 - Added hold-over time table for ABAX Ecowing 26 Type II. 2.1.4 01/20/2016 - Updated hold-over time tables for winter 2015-2016. 2.1.3 10/17/2015 - Updated hold-over time tables for winter 2014-2015.
- Updated user interface to iOS 7/8 2.1.2 10/22/2014 - Updated hold-over time tables for winter 2013-2014. 2.1.1 10/17/2013 Updated hold-over time tables for winter 2012-2013.
Adapted for iPhone 5. 2.1 10/18/2012
About HOTCalculator
The company that develops HOTCalculator is Johan Bergsee. The latest version released by its developer is 5.1.1.
To install HOTCalculator on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-13 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the HOTCalculator as malware if the download link is broken.
How to install HOTCalculator on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the HOTCalculator is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After HOTCalculator is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 5.1.1
posted on 2026-10-13
Version History Bugfix: TC/FAA and Celsius/Fahrenheit selection works again. 5.1.1 Sep 24 Fluids updated for winter 2026-2027. 5.1 Sep 15 - Bugfix: Timer counting down in background (iOS 26)
- Bugfix: Fetching subscription data before loading the view. 5.0.1 10/01/2025 Updated Holdover times for winter 2025-2026.
Entirely rewritten in SwiftUI. 5.0 09/25/2025 - Holdover times for winter 2024-2025
- Select FAA or Transport Canada HOT guidelines
- Includes adjusted holdover times for anti-icing with flaps extended 4.0 10/22/2024 Updated for winter 2023-2024. 3.7 09/22/2023 Holdover Times Updated for Winter 2022-2023. 3.6 09/27/2022 Timer and critical alert when Holdover-time expires. 3.5 12/30/2021 Corrections to new fluid. 3.4.2 10/19/2021 Added brand specific type IV fluid: Clariant Safewing MP IV Launch.
(All data is updated for winter 2021-2022.) 3.4.1 10/14/2021 Updated holdover times and allowance times for winter 2021-2022.
Improved dark mode. 3.4 09/27/2021 Updated Hold Over Times and Allowance Times for winter 2020-2021. 3.3.1 10/14/2020 - Updated hold-over time tables for winter 2020-2021, in accordance with Transport Canada guidelines. 3.3 10/07/2020 Adaptivity to all Apple devices.
Improved launch from URL schedule. 3.2.1 02/12/2020 - iOS 13 compatibility, including dark mode 3.2 10/29/2019 Updated Hold Over Times for winter 2019-2020. 3.1.1 09/28/2019 - Updated hold-over time tables for winter 2018-2019.
- Allowance times for Ice Pellets and Small Hail for Type IV fluids included.
- Guidance on allowance times included.
- Snowfall Intensity vs Visibility table included. 3.1 09/27/2018 - Added hold-over time table for ABAX Ecowing AD-2 Type II. 3.0.1 03/31/2018 Updated holdover tables for winter 2017-2018.
Data from FAA in accordance with EASA SIB 2017-11 (Global Aircraft De-icing Standards).
User interface reworked, compatible with iOS 11.
Possibility to use in split view and side-by-side.
Possibility to open from other apps such as FlightBriefing. 3.0 10/26/2017 - Updated hold-over time tables for winter 2016-2017. 2.1.5 09/26/2016 - Added hold-over time table for ABAX Ecowing 26 Type II. 2.1.4 01/20/2016 - Updated hold-over time tables for winter 2015-2016. 2.1.3 10/17/2015 - Updated hold-over time tables for winter 2014-2015.
- Updated user interface to iOS 7/8 2.1.2 10/22/2014 - Updated hold-over time tables for winter 2013-2014. 2.1.1 10/17/2013 Updated hold-over time tables for winter 2012-2013.
Adapted for iPhone 5. 2.1 10/18/2012
version 5.1.1
posted on 2026-09-25
Version History Bugfix: TC/FAA and Celsius/Fahrenheit selection works again. 5.1.1 16h ago Fluids updated for winter 2026-2027. 5.1 Sep 15 - Bugfix: Timer counting down in background (iOS 26)
- Bugfix: Fetching subscription data before loading the view. 5.0.1 10/01/2025 Updated Holdover times for winter 2025-2026.
Entirely rewritten in SwiftUI. 5.0 09/25/2025 - Holdover times for winter 2024-2025
- Select FAA or Transport Canada HOT guidelines
- Includes adjusted holdover times for anti-icing with flaps extended 4.0 10/22/2024 Updated for winter 2023-2024. 3.7 09/22/2023 Holdover Times Updated for Winter 2022-2023. 3.6 09/27/2022 Timer and critical alert when Holdover-time expires. 3.5 12/30/2021 Corrections to new fluid. 3.4.2 10/19/2021 Added brand specific type IV fluid: Clariant Safewing MP IV Launch.
(All data is updated for winter 2021-2022.) 3.4.1 10/14/2021 Updated holdover times and allowance times for winter 2021-2022.
Improved dark mode. 3.4 09/27/2021 Updated Hold Over Times and Allowance Times for winter 2020-2021. 3.3.1 10/14/2020 - Updated hold-over time tables for winter 2020-2021, in accordance with Transport Canada guidelines. 3.3 10/07/2020 Adaptivity to all Apple devices.
Improved launch from URL schedule. 3.2.1 02/12/2020 - iOS 13 compatibility, including dark mode 3.2 10/29/2019 Updated Hold Over Times for winter 2019-2020. 3.1.1 09/28/2019 - Updated hold-over time tables for winter 2018-2019.
- Allowance times for Ice Pellets and Small Hail for Type IV fluids included.
- Guidance on allowance times included.
- Snowfall Intensity vs Visibility table included. 3.1 09/27/2018 - Added hold-over time table for ABAX Ecowing AD-2 Type II. 3.0.1 03/31/2018 Updated holdover tables for winter 2017-2018.
Data from FAA in accordance with EASA SIB 2017-11 (Global Aircraft De-icing Standards).
User interface reworked, compatible with iOS 11.
Possibility to use in split view and side-by-side.
Possibility to open from other apps such as FlightBriefing. 3.0 10/26/2017 - Updated hold-over time tables for winter 2016-2017. 2.1.5 09/26/2016 - Added hold-over time table for ABAX Ecowing 26 Type II. 2.1.4 01/20/2016 - Updated hold-over time tables for winter 2015-2016. 2.1.3 10/17/2015 - Updated hold-over time tables for winter 2014-2015.
- Updated user interface to iOS 7/8 2.1.2 10/22/2014 - Updated hold-over time tables for winter 2013-2014. 2.1.1 10/17/2013 Updated hold-over time tables for winter 2012-2013.
Adapted for iPhone 5. 2.1 10/18/2012
version 5.1
posted on 2026-09-18
Version History Fluids updated for winter 2026-2027. 5.1 2d ago - Bugfix: Timer counting down in background (iOS 26)
- Bugfix: Fetching subscription data before loading the view. 5.0.1 10/01/2025 Updated Holdover times for winter 2025-2026.
Entirely rewritten in SwiftUI. 5.0 09/25/2025 - Holdover times for winter 2024-2025
- Select FAA or Transport Canada HOT guidelines
- Includes adjusted holdover times for anti-icing with flaps extended 4.0 10/22/2024 Updated for winter 2023-2024. 3.7 09/22/2023 Holdover Times Updated for Winter 2022-2023. 3.6 09/27/2022 Timer and critical alert when Holdover-time expires. 3.5 12/30/2021 Corrections to new fluid. 3.4.2 10/19/2021 Added brand specific type IV fluid: Clariant Safewing MP IV Launch.
(All data is updated for winter 2021-2022.) 3.4.1 10/14/2021 Updated holdover times and allowance times for winter 2021-2022.
Improved dark mode. 3.4 09/27/2021 Updated Hold Over Times and Allowance Times for winter 2020-2021. 3.3.1 10/14/2020 - Updated hold-over time tables for winter 2020-2021, in accordance with Transport Canada guidelines. 3.3 10/07/2020 Adaptivity to all Apple devices.
Improved launch from URL schedule. 3.2.1 02/12/2020 - iOS 13 compatibility, including dark mode 3.2 10/29/2019 Updated Hold Over Times for winter 2019-2020. 3.1.1 09/28/2019 - Updated hold-over time tables for winter 2018-2019.
- Allowance times for Ice Pellets and Small Hail for Type IV fluids included.
- Guidance on allowance times included.
- Snowfall Intensity vs Visibility table included. 3.1 09/27/2018 - Added hold-over time table for ABAX Ecowing AD-2 Type II. 3.0.1 03/31/2018 Updated holdover tables for winter 2017-2018.
Data from FAA in accordance with EASA SIB 2017-11 (Global Aircraft De-icing Standards).
User interface reworked, compatible with iOS 11.
Possibility to use in split view and side-by-side.
Possibility to open from other apps such as FlightBriefing. 3.0 10/26/2017 - Updated hold-over time tables for winter 2016-2017. 2.1.5 09/26/2016 - Added hold-over time table for ABAX Ecowing 26 Type II. 2.1.4 01/20/2016 - Updated hold-over time tables for winter 2015-2016. 2.1.3 10/17/2015 - Updated hold-over time tables for winter 2014-2015.
- Updated user interface to iOS 7/8 2.1.2 10/22/2014 - Updated hold-over time tables for winter 2013-2014. 2.1.1 10/17/2013 Updated hold-over time tables for winter 2012-2013.
Adapted for iPhone 5. 2.1 10/18/2012 - iPad support added: universal app for both iPad and iPhone/iPod
- User interface adapted for iPad 2.0 12/10/2011
version 5.0.1
posted on 2026-09-11
Version History - Bugfix: Timer counting down in background (iOS 26)
- Bugfix: Fetching subscription data before loading the view. 5.0.1 10/01/2025 Updated Holdover times for winter 2025-2026.
Entirely rewritten in SwiftUI. 5.0 09/25/2025 - Holdover times for winter 2024-2025
- Select FAA or Transport Canada HOT guidelines
- Includes adjusted holdover times for anti-icing with flaps extended 4.0 10/22/2024 Updated for winter 2023-2024. 3.7 09/22/2023 Holdover Times Updated for Winter 2022-2023. 3.6 09/27/2022 Timer and critical alert when Holdover-time expires. 3.5 12/30/2021 Corrections to new fluid. 3.4.2 10/19/2021 Added brand specific type IV fluid: Clariant Safewing MP IV Launch.
(All data is updated for winter 2021-2022.) 3.4.1 10/14/2021 Updated holdover times and allowance times for winter 2021-2022.
Improved dark mode. 3.4 09/27/2021 Updated Hold Over Times and Allowance Times for winter 2020-2021. 3.3.1 10/14/2020 - Updated hold-over time tables for winter 2020-2021, in accordance with Transport Canada guidelines. 3.3 10/07/2020 Adaptivity to all Apple devices.
Improved launch from URL schedule. 3.2.1 02/12/2020 - iOS 13 compatibility, including dark mode 3.2 10/29/2019 Updated Hold Over Times for winter 2019-2020. 3.1.1 09/28/2019 - Updated hold-over time tables for winter 2018-2019.
- Allowance times for Ice Pellets and Small Hail for Type IV fluids included.
- Guidance on allowance times included.
- Snowfall Intensity vs Visibility table included. 3.1 09/27/2018 - Added hold-over time table for ABAX Ecowing AD-2 Type II. 3.0.1 03/31/2018 Updated holdover tables for winter 2017-2018.
Data from FAA in accordance with EASA SIB 2017-11 (Global Aircraft De-icing Standards).
User interface reworked, compatible with iOS 11.
Possibility to use in split view and side-by-side.
Possibility to open from other apps such as FlightBriefing. 3.0 10/26/2017 - Updated hold-over time tables for winter 2016-2017. 2.1.5 09/26/2016 - Added hold-over time table for ABAX Ecowing 26 Type II. 2.1.4 01/20/2016 - Updated hold-over time tables for winter 2015-2016. 2.1.3 10/17/2015 - Updated hold-over time tables for winter 2014-2015.
- Updated user interface to iOS 7/8 2.1.2 10/22/2014 - Updated hold-over time tables for winter 2013-2014. 2.1.1 10/17/2013 Updated hold-over time tables for winter 2012-2013.
Adapted for iPhone 5. 2.1 10/18/2012 - iPad support added: universal app for both iPad and iPhone/iPod
- User interface adapted for iPad 2.0 12/10/2011 - Updated fluid holdover times
- Source and revision date for each fluid
- Color coded fluids
- Request for fluid from the information page -> send feedback
- Optimized memory usage 1.2 11/20/2011
version 5.0.1
posted on 2025-10-01
- Bugfix: Timer counting down in background (iOS 26)
- Bugfix: Fetching subscription data before loading the view.
version 5.0
posted on 2025-09-25
Sep 25, 2025
Version 5.0
Updated Holdover times for winter 2025-2026.
Entirely rewritten in SwiftUI.
version 4.0
posted on 2024-10-22
Oct 22, 2024
Version 4.0
- Holdover times for winter 2024-2025
- Select FAA or Transport Canada HOT guidelines
- Includes adjusted holdover times for anti-icing with flaps extended
version 3.7
posted on 2023-09-22
Sep 22, 2023
Version 3.7
Updated for winter 2023-2024.
version 3.6
posted on 2022-09-27
Sep 27, 2022
Version 3.6
Holdover Times Updated for Winter 2022-2023.
version 2.1.4
posted on 2011-03-06
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