# Kopperfield vs NEC Load Calculator

The clearest difference is review sentiment: NEC Load Calculator at 100% against Kopperfield's 0%. NEC Load Calculator also leads on rating (5.0 vs 3.9). Kopperfield's advantage is in-app purchases (none vs 1) and ratings volume (9 vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. NEC Load Calculator sells 1 one-off in-app purchase. Kopperfield asks for nothing beyond the download.

NEC Load Calculator holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews point the same way: 0% of Kopperfield's written reviews are positive against 100% of NEC Load Calculator's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Kopperfield | NEC Load Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (9 ratings)](https://appshunter.io/ios/app/kopperfield/id6736772332/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/nec-load-calculator/id6785889421/reviews)** |
| Number of ratings | **9** | 3 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 45 MB | 12 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kopperfield](https://appshunter.io/developer/1756157251) | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) |

## What reviewers say

### Kopperfield

[App page](https://appshunter.io/ios/app/kopperfield/id6736772332)

Streamline electrical design and permitting with powerful tools for load calculations, panel schedules, and single-line diagrams. Quickly reference the National Electrical Code with an AI-powered chatbot and generate instant PDF reports for inspectors and clients.

**Highlights:** Load calculator with NEC standards, Single line diagram tool, Panel schedule creation, NEC chatbot, Instant PDF report generation, AI panel photo processing, Team dashboard

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### NEC Load Calculator

[App page](https://appshunter.io/ios/app/nec-load-calculator/id6785889421)

This app performs electrical load calculations based on the NEC 2023 code. It offers modules for residential, commercial, motor, and branch circuit calculations, along with panel scheduling and PDF export. Designed for licensed electricians and contractors.

**Highlights:** NEC 2023 load calculations, Residential, commercial, motor, branch circuit modules, Panel schedule editor, Step-by-step calculation results, Panel layout generation, PDF export

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NEC LOAD PRO | $7.99 | one-time |


## Frequently asked questions

### Is Kopperfield free?

Kopperfield is free to download, with no in-app purchases.

### Is NEC Load Calculator free?

NEC Load Calculator is free to download, with in-app purchases available.

### Which has better reviews, Kopperfield or NEC Load Calculator?

NEC Load Calculator is rated higher. Kopperfield averages 3.9 out of 5 from 9 ratings, while NEC Load Calculator averages 5.0 from 3 ratings.

### Do Kopperfield or NEC Load Calculator have ads?

Neither Kopperfield nor NEC Load Calculator shows ads.

### Which is updated more often, Kopperfield or NEC Load Calculator?

Kopperfield ships an update every 3 weeks, and NEC Load Calculator every 3 weeks. Most recently, Kopperfield was updated on October 3, 2026 and NEC Load Calculator on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*