# Panel Tracker vs Kopperfield

The clearest difference is rating: Kopperfield at 3.9 against Panel Tracker's 1.0. Kopperfield also leads on update cadence (every 3 weeks vs every 15 months) and ratings volume (9 vs 1). Panel Tracker's advantage is monetization model (free vs ad-supported). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Kopperfield holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: Kopperfield has 9 ratings behind it against 1, so its average is the more settled of the two.

Panel Tracker ships an update every 15 months, Kopperfield every 3 weeks. The most recent releases landed on September 18, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | Panel Tracker | Kopperfield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/panel-tracker/id6692633713/reviews) | **[3.9 (9 ratings)](https://appshunter.io/ios/app/kopperfield/id6736772332/reviews)** |
| Number of ratings | 1 | **9** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 25 MB | 45 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rooted Software](https://appshunter.io/developer/1633939445) | [Kopperfield, Inc.](https://appshunter.io/developer/1756157251) |

## What reviewers say

### Panel Tracker

[App page](https://appshunter.io/ios/app/panel-tracker/id6692633713)

Organize your electrical panel by labeling breakers with custom notes. Get an instant overview and share your panel layout easily. Data is stored locally for privacy, with optional syncing.

**Highlights:** Custom breaker labels, Detailed notes for each breaker, Instant panel overview, Customizable to panel size, Effortless sharing, Secure local storage

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Panel Tracker free?

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

### Is Kopperfield free?

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

### Which has better reviews, Panel Tracker or Kopperfield?

Kopperfield is rated higher. Panel Tracker averages 1.0 out of 5 from 1 ratings, while Kopperfield averages 3.9 from 9 ratings.

### Do Panel Tracker or Kopperfield have ads?

Neither Panel Tracker nor Kopperfield shows ads.

### Which is updated more often, Panel Tracker or Kopperfield?

Panel Tracker ships an update every 15 months, and Kopperfield every 3 weeks. Most recently, Panel Tracker was updated on September 18, 2026 and Kopperfield on August 21, 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.*