Transformer Calc 2 vs NX Connect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Transformer Calc 2
This app provides electricians with instant transformer sizing and advanced construction math, compliant with both US (NEC 2023) and Canadian (CEC 2024) electrical codes. It simplifies complex calculations for wire, conduit, and overcurrent protection, and includes a fractional construction calculator.
- Dual code compliance (NEC 2023, CEC 2024)
- Instant transformer sizing
- Wire and conduit sizing
- Overcurrent protection calculation
- Fractional construction calculator
- Unit conversion
- Dark mode support
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The essential tool for electricians. Now updated for 2024 CEC and 2023 NEC. Instant transformer sizing and advanced construction math in one app. Description Simplify your electrical calculations with Transformer Calculator 2. Designed for professional electricians, electrical engineers, and apprentices, Transformer Calculator 2 eliminates the guesswork from complex electrical math. Whether you are sizing a new install or verifying an existing setup, this app provides instant, code-compliant results for both US (NEC 2023) and Canadian (CEC 2024) standards. KEY FEATURES: DUAL CODE COMPLIANCE Toggle Instantly: Seamlessly switch between the 2024 CEC (Canada) and 2023 NEC (USA) with a single tap in settings. Localized Standards: The app automatically adjusts wire types, ampacities, and conduit fill rules based on your selected code. COMPREHENSIVE TRANSFORMER SIZING Input Flexibility: Simply enter your KVA, primary and secondary voltages, and configuration (Delta or Wye). Instant Results: Get immediate calculations for Full Load Amps (FLA), Overcurrent Protection (Fuse or Breaker), and Bonding. Wire and Conduit: Automatically sizes your Primary and Secondary wires (minimum size and ampacity) and Conduits (minimum pipe size and fill) based on the latest tables. ADVANCED CONSTRUCTION CALCULATOR Fractional Math: Built-in construction calculator that handles feet, inches, and fractions (1/16, 1/8, etc.) with ease. Unit Conversion: Quickly convert between metric and imperial or different unit scales. Volume and Area: Perform complex dimensional calculations right on the job site. PROFESSIONAL AND CUSTOMIZABLE Detailed References: Extensive database of wire types (THHN, THW, XHHW, etc.) and conduit types (EMT, ENT, Rigid PVC, etc.). Dark Mode: Fully supports system Dark Mode and tinted icons for comfortable viewing in low-light job sites. Custom Settings: Set your default wire types, temperature ratings (60, 75, or 90 degrees C), and precision preferences to match your daily workflow. Stop flipping through code books for every calculation. Download Transformer Calculator 2 today and carry the code in your pocket.
NX Connect
This app offers a wireless controls system for distributed room-based lighting. It simplifies installation and commissioning of lighting systems by allowing users to zone fixtures via a mobile app and wireless devices.
- Distributed room-based lighting controls
- Wireless controls system
- Zonal control of lighting fixtures
- Simplified installation
- Code compliant solution
- App-based commissioning
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NX Connect is a distributed room-based lighting controls solution. For application spaces in need of a system that is simple, easy to install and code complaint, NX Connect is our mobile, app-based wireless controls system. NX Connect provides zonal control and commissioning of lighting systems. The NX Connect mobile app and wireless devices allow customers to zone lighting fixtures, saving installation time and expertise required to commission room-based lighting systems.
Screenshots
Verdict
The clearest difference is price: NX Connect at Free against Transformer Calc 2's $3.99. NX Connect also leads on rating (3.0 vs 1.0) and iOS requirement (12.0 vs 26.0). Transformer Calc 2's advantage is ads (none vs shown) and update cadence (every 2 months vs every 12 months). On ratings volume, 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
NX Connect is free to download; Transformer Calc 2 costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
NX Connect holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Transformer Calc 2 ships an update every 2 months, NX Connect every 12 months. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.
| Parameter | Transformer Calc 2 | NX Connect |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 1.0 (1 ratings) | 3.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 months — better | Every 12 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Snappy Appz Inc. | Current Lighting Solutions, LLC |
Customer experience
Transformer Calc 2
NX Connect
In-app purchases
Transformer Calc 2
No in-app purchases
NX Connect
No in-app purchases
Questions
Is Transformer Calc 2 free?
Is NX Connect free?
Which has better reviews, Transformer Calc 2 or NX Connect?
Do Transformer Calc 2 or NX Connect have ads?
Which is updated more often, Transformer Calc 2 or NX Connect?
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