Comparison

Refrigerant Calculator vs Frostest

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

Head to head
About

Refrigerant Calculator

This app helps refrigeration technicians, engineers, and students analyze refrigeration cycles and convert pressure/temperature data. It offers offline fluid libraries, cycle analysis with thermodynamic properties, and floating setpoint estimates for energy savings. Calculations can be performed offline without an account.

Highlights
  • Pressure/temperature conversion
  • Offline fluid library (163 fluids)
  • Refrigeration cycle analysis
  • Floating setpoint estimates
  • Calculation history
  • Offline functionality
  • Multi-language support
Features
Read full description

Refrigerant Calculator brings saturation pressure/temperature conversion, refrigeration cycle analysis and floating setpoint estimates together in one app for refrigeration technicians, engineers and students. PRESSURE AND TEMPERATURE • Convert pressure to saturation temperature or temperature to pressure. • Search an offline library of 163 fluids and mixtures by name, code or formula. • Choose gauge or absolute pressure and work with bar, psi, kPa, MPa, °C, °F and K. • Select dew or bubble point for mixtures and consult available fluid properties and operating ranges. REFRIGERATION CYCLES • Analyze single-stage and two-stage cycles with real-fluid thermodynamic properties from CoolProp. • Review cooling capacity, compressor power, COP, mass flow and thermodynamic states. • Use pressure-ratio-based efficiency estimates within their supported ranges, or enter an isentropic efficiency. • Find the intermediate condition that minimizes total compressor power in the two-stage model. Compare a manual setting with the model optimum in kW and percent. • Export a PDF calculation report with inputs, results, equations, assumptions and references. OTIMIZ IUS Explore intelligent floating setpoint scenarios and estimated energy and cost savings. In this version, this module is limited to R717 (ammonia) and available Brazilian locations. Results depend on the entered operating conditions and assumptions. Worldwide support for Otimiz ius is coming soon. EVERYDAY USE • Keep calculation history and favorite conversions or cycles on your device. • Switch between light and dark themes. • Use the interface in Portuguese, English or Spanish. • Perform calculations offline without creating an account. The results support technical analysis and do not replace equipment manufacturer data, applicable standards or professional assessment. Cycle results describe the selected model and assumptions; they are not measured equipment performance.

About

Frostest

Features
Read full description

This application is a program for calculating pressures and temperatures of the most popular brands of refrigerants. This type of program is an absolutely necessary tool for specialists in the repair of refrigeration equipment. The application has a positive design. And the contrasting colors of the screens allow you to use it in bright sunlight. The functionality is represented only by the most necessary calculations - nothing superfluous. At the same time, there is a mode: Bubble / Dew

Screenshots

Refrigerant Calculator4 screens
Frostest3 screens

Verdict

The call

The clearest difference is device support: Refrigerant Calculator at 3 against Frostest's 1. On price, update cadence, ads and in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

Scorecard1 real difference · 9 level
Refrigerant Calculator versus Frostest: the parameters behind the verdict, then further details
ParameterRefrigerant CalculatorFrostest
PriceFreeFree
Rating4.0 (3 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 4 monthsEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.0
Further details — not scored
Size33 MB1 MB
Age rating4+4+
DeveloperCaio PinheiroOleg Kotkov

In-app purchases

None

Refrigerant Calculator

No in-app purchases

None

Frostest

No in-app purchases

Questions

Is Refrigerant Calculator free?
Refrigerant Calculator is free to download, with no in-app purchases.
Is Frostest free?
Frostest is free to download, with no in-app purchases.
Do Refrigerant Calculator or Frostest have ads?
Neither Refrigerant Calculator nor Frostest shows ads.
Which is updated more often, Refrigerant Calculator or Frostest?
Refrigerant Calculator ships an update every 4 months, and Frostest every 4 months. Most recently, Refrigerant Calculator was updated on November 6, 2026 and Frostest on November 8, 2026.

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