# Kopperfield vs Panelos Electrician Tools

The clearest difference is in-app purchases: Kopperfield at none against Panelos Electrician Tools's 1. Kopperfield also leads on iOS requirement (15.1 vs 17.0). Panelos Electrician Tools's advantage is update cadence (every 10 days vs every 3 weeks). On price, ads and device support there is nothing between them.

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

Kopperfield ships an update every 3 weeks, Panelos Electrician Tools every 10 days. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Kopperfield | Panelos Electrician Tools |
| --- | --- | --- |
| 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 | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Ad-supported | — |
| Size | 45 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kopperfield](https://appshunter.io/developer/1756157251) | [Dmitriy Motorin](https://appshunter.io/developer/1495533596) |

## 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


### Panelos Electrician Tools

[App page](https://appshunter.io/ios/app/panelos-electrician-tools/id6786445843)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Clean Exports | $9.99 | one-time |


## Frequently asked questions

### Is Kopperfield free?

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

### Is Panelos Electrician Tools free?

Panelos Electrician Tools is free to download, with in-app purchases available.

### Do Kopperfield or Panelos Electrician Tools have ads?

Neither Kopperfield nor Panelos Electrician Tools shows ads.

### Which is updated more often, Kopperfield or Panelos Electrician Tools?

Kopperfield ships an update every 3 weeks, and Panelos Electrician Tools every 10 days. Most recently, Kopperfield was updated on October 3, 2026 and Panelos Electrician Tools on October 15, 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.*