Comparison

Farness vs Thermal Transmittance Calc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Farness

Easily measure distances on a map by placing pins or drawing paths. Find total distances between locations, search for places, and save custom maps for later. Supports various map views and includes undo/redo functionality.

Highlights
  • Drop pins to mark locations
  • Draw paths with finger or Apple Pencil
  • Calculate total and intermediate distances
  • Search for locations
  • Save and share custom maps
  • View standard, hybrid, and satellite maps
Features
Read full description

Farness helps you quickly and easily measure distance on a map by dropping pins or drawing a path. Features: - Tap "+" to drop pins - Drag your finger or use Apple Pencil to draw a path - Find the total distance and distance in between locations - Search for a location - Local search auto text completion - Use your current location - Save your custom maps for future reference - Share and save maps - View different map types like Standard, Hybrid, or Satellite - Undo and redo your changes

About

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.

Highlights
  • 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
Features
Read full description

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

Farness4 screens
Thermal Transmittance Calc4 screens

Verdict

The call

The clearest difference is price: Thermal Transmittance Calc at Free against Farness's $1.99. Thermal Transmittance Calc also leads on review sentiment (75% vs 38%) and iOS requirement (15.6 vs 18.6). Farness's advantage is in-app purchases (none vs 2) and ads (none vs shown). On rating, ratings volume, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Thermal Transmittance Calc is free to download; Farness costs $1.99 up front. Thermal Transmittance Calc sells 2 one-off in-app purchases. Farness asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.0 for Farness against 4.1 for Thermal Transmittance Calc. Both are backed by a comparable volume of ratings — 13 and 10 respectively. Written reviews are what separate them: 38% of Farness's written reviews are positive against 75% of Thermal Transmittance Calc's.

UpkeepUpdate frequency

Farness ships an update every 6 months, Thermal Transmittance Calc every 11 months. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

Scorecard6 real differences · 4 level
Farness versus Thermal Transmittance Calc: the parameters behind the verdict, then further details
ParameterFarnessThermal Transmittance Calc
Price$1.99Free — better
Rating4.0 (13 ratings)4.1 (10 ratings) — better
Positive reviews37.5% of reviews75.0% of reviews — better
Number of ratings13 — better10
Update frequencyEvery 6 months — betterEvery 11 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.615.6 — better
Further details — not scored
Size2 MB119 MB
Age rating4+4+
DeveloperApperdashery LLCALEXEY KOZLOV

Customer experience

Farness

All ratings13 ratings
Positive69.2%
Neutral15.4%
Negative15.4%
Written reviews8 reviews
Positive37.5%
Neutral12.5%
Negative50.0%

Thermal Transmittance Calc

All ratings10 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews12 reviews
Positive75.0%
Neutral16.7%
Negative8.3%

In-app purchases

None

Farness

No in-app purchases

2 purchases

Thermal Transmittance Calc

One-time2
  • Remove Ads$2.99
  • Creating a new material$2.99

Questions

Is Farness free?
Farness costs $1.99, with no in-app purchases.
Is Thermal Transmittance Calc free?
Thermal Transmittance Calc is free to download, with in-app purchases available.
Which has better reviews, Farness or Thermal Transmittance Calc?
Thermal Transmittance Calc is rated higher. Farness averages 4.0 out of 5 from 13 ratings, while Thermal Transmittance Calc averages 4.1 from 10 ratings.
Do Farness or Thermal Transmittance Calc have ads?
Thermal Transmittance Calc shows ads; Farness does not.
Which is updated more often, Farness or Thermal Transmittance Calc?
Farness ships an update every 6 months, and Thermal Transmittance Calc every 11 months. Most recently, Farness was updated on October 9, 2026 and Thermal Transmittance Calc on October 7, 2026.

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