# Kopperfield vs Electrician's assistant

The clearest difference is in-app purchases: Kopperfield at none against Electrician's assistant's 1. Kopperfield also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Electrician's assistant sells 1 one-off in-app purchase. Kopperfield asks for nothing beyond the download.

Kopperfield ships an update every 3 weeks, Electrician's assistant every 2 weeks. The most recent releases landed on August 21, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Kopperfield | Electrician's assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (9 ratings)](https://appshunter.io/ios/app/kopperfield/id6736772332/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 45 MB | 43 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kopperfield, Inc.](https://appshunter.io/developer/1756157251) | [Albert Parti](https://appshunter.io/developer/534966701) |

## 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


### Electrician's assistant

[App page](https://appshunter.io/ios/app/electricians-assistant/id6740750504)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertising-Electrician | $0.99 | one-time |


## Frequently asked questions

### Is Kopperfield free?

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

### Is Electrician's assistant free?

Electrician's assistant is free to download, with in-app purchases available.

### Do Kopperfield or Electrician's assistant have ads?

Electrician's assistant shows ads; Kopperfield does not.

### Which is updated more often, Kopperfield or Electrician's assistant?

Kopperfield ships an update every 3 weeks, and Electrician's assistant every 2 weeks. Most recently, Kopperfield was updated on August 21, 2026 and Electrician's assistant on September 17, 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.*