Comparison

Electrical Motor vs Process Engineer Calc

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

Head to head
About

Electrical Motor

This app helps electricians and technicians learn about electric motor rewinding, wiring, and repair. It includes various wiring diagrams and a calculator for motor specifications like speed, horsepower, and frequency.

Highlights
  • Electric motor rewinding guide
  • Wiring diagrams for three-phase motors
  • Motor speed calculator
  • Horsepower calculator
  • Frequency and pole number calculator
  • Unit conversion (Watts/Volts/Amps)
Features
Read full description

Electric Motor Rewinding, Calculator, Wiring diagram for electrician contractors and electrical technician is a application for individuals who wishes to learn electrical engineering motor and how to wire or repair an electric motor, calculate and convert unite Watts / Volts / Amps /. This application included some wiring diagram about : 1 - ON OFF Three Phase Motor Connection 2 - REV FOR Three Phase Motor Connection Power 3 - Star Delta 3-phase Motor Automatic starter with Timer 4 - 3-Phase Motor Star Delta Reverse Forward with Timer 5 - Start & Stop of 3-Phase Motor from more than One Place 6 - Control 3-Phase Motor from more than Two buttons 7 - 2 Speeds 1 Direction 3 Phase Motor 8 - basic Electric Motor Symbols Instrumentation Electric motor calculator ( Frequency , speed ,Horsepower, number of pole ) 1- Motor speed calculator electric 2- Motor Number of pole calculator electrical 3- Motor Frequency motor calculator 4- Motor Horsepower motor calculator

About

Process Engineer Calc

Features
Read full description

ProcessCalc is an ad-free, offline-ready utility app designed specifically for chemical engineers, extraction technicians, and laboratory researchers. Whether you are scaling up a synthesis from bench to pilot scale, optimizing solvent recovery, or sizing a chiller for your jacketed reactor, this app provides 10 specialized engineering calculators to streamline your daily workflow. Key Calculators Included: • Solvent Recovery: Estimate evaporation rates and recovery times. • Chiller Sizing: Calculate required cooling capacity (kW) and tonnage. • Biomass Capacity & Yield: Optimize loading and predict expected yields. • Scale-up Predictor: Lab to production volume and flow rate scaling. • Condenser Area: Determine required heat transfer area. • Vapor Velocity: Avoid flooding in vacuum systems with min-ID calculations. • Pump Flow Rate: Quick displacement to LPM/LPH conversions. • Scaling Risk Predictor: Assess system scaling and maintenance needs. • Vacuum Diagnostic: Calculate rate-of-rise and system leak rates. • Compliance Map: Quick reference for global hemp/CBD regulations. App Features: Zero Ads: No pop-ups, no tracking, no subscriptions. Offline First: Works instantly in the lab or extraction facility where internet might be spotty. Favorites: Star your most-used tools for one-tap access. Practical: Built around real-world formulas used in extraction and chemical processing facilities. Designed by engineers, for engineers.

Screenshots

Electrical Motor4 screens
Process Engineer Calc4 screens

Verdict

The call

The clearest difference is price: Process Engineer Calc at Free against Electrical Motor's $3.99. Process Engineer Calc also leads on update cadence (every 10 days vs every 46 months). Electrical Motor's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On 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

Process Engineer Calc is free to download; Electrical Motor costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Electrical Motor ships an update every 46 months, Process Engineer Calc every 10 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Electrical Motor versus Process Engineer Calc: the parameters behind the verdict, then further details
ParameterElectrical MotorProcess Engineer Calc
Price$3.99Free — better
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 46 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS11.0 — better17.0
Further details — not scored
Size9 MB11 MB
Age rating4+4+
DeveloperGorasiya Vishal Nanjibhai冯泰 蔡

In-app purchases

None

Electrical Motor

No in-app purchases

None

Process Engineer Calc

No in-app purchases

Questions

Is Electrical Motor free?
Electrical Motor costs $3.99, with no in-app purchases.
Is Process Engineer Calc free?
Process Engineer Calc is free to download, with no in-app purchases.
Do Electrical Motor or Process Engineer Calc have ads?
Neither Electrical Motor nor Process Engineer Calc shows ads.
Which is updated more often, Electrical Motor or Process Engineer Calc?
Electrical Motor ships an update every 46 months, and Process Engineer Calc every 10 days. Most recently, Electrical Motor was updated on October 26, 2026 and Process Engineer Calc on October 25, 2026.

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