NEMA Guide vs EngiCalc Toolkit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NEMA Guide
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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.
EngiCalc Toolkit
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | NEMA Guide | EngiCalc Toolkit |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 — better | 26.2 |
| Further details — not scored | ||
| Size | 23 MB | 7 MB |
| Age rating | 4+ | 9+ |
| Developer | Red Zepp LLC | Роман Burmistrov |
In-app purchases
NEMA Guide
No in-app purchases
EngiCalc Toolkit
No in-app purchases
Questions
Is NEMA Guide free?
Is EngiCalc Toolkit free?
Do NEMA Guide or EngiCalc Toolkit have ads?
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