Comparison

NEMA Guide vs EngiCalc Toolkit

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

Head to head
About

NEMA Guide

Features
Read full description

Use the NEMA Guide app to quickly identify and cross-reference NEMA plug and receptacle configurations—a must-have tool for electricians and electrical professionals on the job. Whether you're trying to identify an unknown plug or need to confirm the right receptacle for a specific application, this app streamlines the process. Simply search by NEMA number or filter by voltage, amperage, phase, poles, wires, and grounding type to view all matching results. With illustrations and detailed specs for each configuration, to save you time and avoid guesswork on-site. Features: - Search by NEMA configuration number. - Filter by voltage, amperage, phase, poles, wires, and grounding. - Instantly view matching plug and receptacle configurations. - Over 170 high-quality configuration illustrations. - Tap to view detailed specs for each configuration. - Cross-reference plugs and receptacles with ease. - Data is stored locally for quick use in the field or on the job-site.

About

EngiCalc Toolkit

Features
Read full description

EngiCalc Engineering Toolkit is a professional collection of engineering calculators, converters, reference tables and technical notes for electronics, PCB design, RF engineering and embedded development. Features: • Electronics calculators • RF and antenna tools • PCB design utilities • Unit converters • Engineering reference tables • ESP32 and STM32 references • Technical engineering notes • Calculation history • Favorites • PDF export • Dark professional interface Designed for electronics engineers, PCB designers, RF specialists, students and embedded developers. EngiCalc works offline and provides fast access to engineering calculations and references wherever you are.

Screenshots

NEMA Guide4 screens
EngiCalc Toolkit4 screens

Verdict

The call

The clearest difference is iOS requirement: NEMA Guide at 17.6 against EngiCalc Toolkit's 26.2. 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 5 level
NEMA Guide versus EngiCalc Toolkit: the parameters behind the verdict, then further details
ParameterNEMA GuideEngiCalc Toolkit
PriceFreeFree
Update frequencyEvery 2 days—
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.6 — better26.2
Further details — not scored
Size23 MB7 MB
Age rating4+9+
DeveloperRed Zepp LLCРоман Burmistrov

In-app purchases

None

NEMA Guide

No in-app purchases

None

EngiCalc Toolkit

No in-app purchases

Questions

Is NEMA Guide free?
NEMA Guide is free to download, with no in-app purchases.
Is EngiCalc Toolkit free?
EngiCalc Toolkit is free to download, with no in-app purchases.
Do NEMA Guide or EngiCalc Toolkit have ads?
Neither NEMA Guide nor EngiCalc Toolkit shows ads.

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