Comparison

Unit Converter For Engineers vs Refrigeration CycleAnalyst

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

Head to head
About

Unit Converter For Engineers

This app provides a comprehensive unit conversion tool specifically designed for engineers, offering specialized units not found in standard converters. It features offline functionality, fast search, and a clean interface, replacing the need for multiple reference materials.

Highlights
  • Specialized engineering units
  • Offline functionality
  • Fast search and instant conversion
  • Fraction input mode
  • Ad-free interface
  • Scientific notation support
Features
Read full description

Built for engineers who work with units most converters don’t have. No ads. No popups. No distractions. If you’ve ever opened PDFs, charts, or old handbooks to convert Rockwell hardness, wire gauge, HVAC airflow, radiation dose, water hardness, or torque units — this app replaces all of that. Units you usually can’t find in converter apps Material Hardness Rockwell (HRC, HRB, HRA), Vickers, Brinell, Knoop, Mohs, Shore Wire Gauge AWG, SWG, MCM, kcmil, diameter, cross-sectional area HVAC & Airflow CFM, ACH, BTU/h, tons of cooling, kW, airflow per area and per person Water Quality & Chemistry ppm, mg/L as CaCO₃, grains per gallon (US/UK), °dH, °fH, dKH, mmol/L, meq/L Radiation & Radioactivity Becquerel, Curie, Gray, rad Mechanical & Structural Torque, stress, density, pressure, moment of inertia (kg·m² ↔ slug·ft²) Built for real work environments • Works 100% offline in labs, plants, and job sites • Fast search and instant conversion • Scientific notation for precision work • Fraction input mode for field and construction use • Clean, engineer-friendly interface — no ads, ever This app replaces reference charts, calculators, handbooks, and repeated Google searches with one reliable tool in your pocket. Pricing 7-Day Free Trial $9.99/year full access $29.99 lifetime access Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://unitconvertx.github.io/docs/privacy.html

About

Refrigeration CycleAnalyst

Features
Read full description

The Ultimate Tool for Refrigeration Professionals Experience a more scientific and precise way to analyze cooling systems. Our app simplifies often complex refrigeration into an easy-to-use interface, providing instant, accurate calculations that help you diagnose and optimize refrigeration cycles with professional-grade confidence. Get Started with Free Diagnostics We want you to experience the full power of our analyzer risk-free. Download today to enjoy 3 complimentary diagnostic evaluations with full access to all scientific calculations and professional features. Unlock Unlimited Lifetime Access Upgrade with a single, one-time purchase to unlock permanent, unlimited diagnostic access forever. No recurring fees or hidden costs—pay once and use across all your devices. Purchase Information: • One-Time Purchase: $19.99 for permanent Lifetime Access. • Includes 3 free full diagnostic runs upon download. • Payment will be charged to your Apple ID account at confirmation of purchase. • No recurring subscriptions or auto-renewals. Terms of Use (EULA): https://www.refrigerationcycleanalyst.com/terms-of-use Privacy Policy: https://www.refrigerationcycleanalyst.com/privacy-policy

Screenshots

Unit Converter For Engineers4 screens
Refrigeration CycleAnalyst4 screens

Verdict

The call

The clearest difference is update cadence: Unit Converter For Engineers at every 9 days against Refrigeration CycleAnalyst's every 3 weeks. On price, ads, in-app purchases 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

Both are free to download. Unit Converter For Engineers sells 2 in-app purchases, starting at $9.99 per year and Refrigeration CycleAnalyst sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Unit Converter For Engineers ships an update every 9 days, Refrigeration CycleAnalyst every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
Unit Converter For Engineers versus Refrigeration CycleAnalyst: the parameters behind the verdict, then further details
ParameterUnit Converter For EngineersRefrigeration CycleAnalyst
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 9 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.215.0 — better
Further details — not scored
Size5 MB72 MB
Age rating17+4+
DeveloperAmanuel AbebawSteven Mcdevitt

In-app purchases

2 purchases

Unit Converter For Engineers

Subscriptions1
  • Annual Subscription7 Days trial$9.991 Year
One-time1
  • Lifetime Access$29.99
1 purchases

Refrigeration CycleAnalyst

One-time1
  • Lifetime license$19.99

Questions

Is Unit Converter For Engineers free?
Unit Converter For Engineers is free to download, with in-app purchases available.
Is Refrigeration CycleAnalyst free?
Refrigeration CycleAnalyst is free to download, with in-app purchases available.
Do Unit Converter For Engineers or Refrigeration CycleAnalyst have ads?
Neither Unit Converter For Engineers nor Refrigeration CycleAnalyst shows ads.
Which is updated more often, Unit Converter For Engineers or Refrigeration CycleAnalyst?
Unit Converter For Engineers ships an update every 9 days, and Refrigeration CycleAnalyst every 3 weeks. Most recently, Unit Converter For Engineers was updated on October 30, 2026 and Refrigeration CycleAnalyst on October 31, 2026.

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