RadonEye+² vs Thermal Transmittance Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RadonEye+²
This mobile application connects with the RadonEye+² radon detector to monitor radon levels. View logged data, download historical measurements, and visualize radon concentration over time with graphs.
- Connects with RadonEye+² detector
- Monitor radon measurements
- Download log data
- View historical data graphs
- Track radon concentration over time
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RadonEye+²는 라돈 측정기인 RadonEye+²와 연동하는 모바일 어플리케이션입니다. 측정된 라돈 계측 정보를 모니터링 하고 로그 데이터를 다운로드하여 기간별 라돈 계측값을 그래프로 보여줍니다.
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 review sentiment: Thermal Transmittance Calc at 75% against RadonEye+²'s 0%. Thermal Transmittance Calc also leads on rating (4.1 vs 1.0) and ratings volume (11 vs 3). RadonEye+²'s advantage is in-app purchases (none vs 2) and ads (none vs shown). 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. RadonEye+² asks for nothing beyond the download.
Thermal Transmittance Calc holds the better App Store score, 4.1 against 1.0. Both are backed by a comparable volume of ratings — 3 and 11 respectively. Written reviews point the same way: 0% of RadonEye+²'s written reviews are positive against 75% of Thermal Transmittance Calc's.
RadonEye+² ships an update monthly, Thermal Transmittance Calc every 11 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | RadonEye+² | Thermal Transmittance Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (3 ratings) | 4.1 (11 ratings) — better |
| Positive reviews | 0.0% of reviews | 75.0% of reviews — better |
| Number of ratings | 3 | 11 — better |
| Update frequency | Monthly — better | Every 11 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 59 MB | 119 MB |
| Age rating | 4+ | 4+ |
| Developer | FTLab | ALEXEY KOZLOV |
Customer experience
RadonEye+²
Thermal Transmittance Calc
In-app purchases
RadonEye+²
No in-app purchases
Thermal Transmittance Calc
- Remove Ads$2.99
- Creating a new material$2.99
Questions
Is RadonEye+² free?
Is Thermal Transmittance Calc free?
Which has better reviews, RadonEye+² or Thermal Transmittance Calc?
Do RadonEye+² or Thermal Transmittance Calc have ads?
Which is updated more often, RadonEye+² or Thermal Transmittance Calc?
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