Affinity vs Thermal Transmittance Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Affinity
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Control your smart mattress with the NGmatt Forty Winks app. Our mattress helps you sleep better and wake up more rested. The system monitors your sleep patterns and cycles throughout the night. The free mobile app allows you to view your sleep cycles, view the reports, conclusions of each sleep session and change the configuration of our mattress according to the user's needs to improve our rest.
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: Affinity at none against Thermal Transmittance Calc's 2. Affinity also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.6). Thermal Transmittance Calc's advantage is update cadence (every 11 months vs every 54 months). On price and device support 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. Affinity asks for nothing beyond the download.
Affinity ships an update every 54 months, Thermal Transmittance Calc every 11 months. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.
| Parameter | Affinity | Thermal Transmittance Calc |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.1 (10 ratings) — better |
| Positive reviews | — | 75.0% of reviews |
| Number of ratings | — | 10 — better |
| Update frequency | Every 54 months | Every 11 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 40 MB | 119 MB |
| Age rating | 4+ | 4+ |
| Developer | DESCANSARE SLEEP LAB SOCIEDAD LIMITADA | ALEXEY KOZLOV |
In-app purchases
Affinity
No in-app purchases
Thermal Transmittance Calc
- Remove Ads$2.99
- Creating a new material$2.99
Questions
Is Affinity free?
Is Thermal Transmittance Calc free?
Do Affinity or Thermal Transmittance Calc have ads?
Which is updated more often, Affinity or Thermal Transmittance Calc?
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