WinUw ROLLTECH vs Thermal Transmittance Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WinUw ROLLTECH
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WinUw ROLLTECH ist ein Programm zur Berechnung von Wärmedurchgangskoeffizienten von Fenstern nach EN ISO 10077-1. Features: - Uw-Werte von einflügeligen und zweiflügeligen Fenstern nach DIN EN ISO 10077-1 - Temperatur der Glasscheibenoberfläche - PDF-Erstellung der Berechnungen
Thermal Transmittance Calc
Calculate heat loss and humidity issues in building structures. Input air temperature, humidity, and material layers to visualize temperature and dew point changes. Supports both Celsius/Fahrenheit and cm/inches.
- Calculate heat loss
- Identify humidity problems
- Visualize temperature and dew point changes
- Supports Celsius and Fahrenheit
- Supports centimeters and inches
- Easy data entry and immediate results
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This application allows you to help in checking the existing and planning future isolation. After entering data on the temperature and humidity of the air and selecting all layers of the enclosing structure (starting from inside the building and ending with the exterior trim of the facade or roof) in the Thermal Transmittance Calc, you will receive information on all likely heat losses, as well as possible problems with humidity. A schedule will be built, according to which you can track how the temperature and humidity will change and where the dew point in the layers of the structure will be. - Easy to use, enter all the data and immediately get the results. - Ability to enter the temperature in both Celsius and Fahrenheit. - Ability to enter the size of the layer in centimeters and inches.
Screenshots
Verdict
The clearest difference is in-app purchases: WinUw ROLLTECH at none against Thermal Transmittance Calc's 2. WinUw ROLLTECH also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Thermal Transmittance Calc sells 2 one-off in-app purchases. WinUw ROLLTECH asks for nothing beyond the download.
WinUw ROLLTECH ships an update every 25 months, Thermal Transmittance Calc every 15 months. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.
| Parameter | WinUw ROLLTECH | Thermal Transmittance Calc |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.1 (10 ratings) — better |
| Positive reviews | — | 66.7% of reviews |
| Number of ratings | — | 10 — better |
| Update frequency | Every 25 months | Every 15 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.5 — better | 15.6 |
| Further details — not scored | ||
| Size | 50 MB | 98 MB |
| Age rating | 4+ | 4+ |
| Developer | Sommer Informatik GmbH | ALEXEY KOZLOV |
In-app purchases
WinUw ROLLTECH
No in-app purchases
Thermal Transmittance Calc
- Remove Ads$2.99
- Creating a new material$2.99
Questions
Is WinUw ROLLTECH free?
Is Thermal Transmittance Calc free?
Do WinUw ROLLTECH or Thermal Transmittance Calc have ads?
Which is updated more often, WinUw ROLLTECH or Thermal Transmittance Calc?
Other comparisons
