# Mike Holt's Electrical Toolbox vs PanelVue Builder

The clearest difference is rating: Mike Holt's Electrical Toolbox at 4.6 against PanelVue Builder's 3.5. Mike Holt's Electrical Toolbox also leads on in-app purchases (none vs 1) and review sentiment (77% vs 50%). PanelVue Builder's advantage is iOS requirement (8.0 vs 14.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PanelVue Builder sells 1 in-app purchase, starting at $3.99 per month. Mike Holt's Electrical Toolbox asks for nothing beyond the download.

Mike Holt's Electrical Toolbox holds the better App Store score, 4.6 against 3.5. That said, the two scores are not equally well evidenced: Mike Holt's Electrical Toolbox has 196 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 77% of Mike Holt's Electrical Toolbox's written reviews are positive against 50% of PanelVue Builder's.

Mike Holt's Electrical Toolbox ships an update every 3 months, PanelVue Builder every 2 months. The most recent releases landed on October 21, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Mike Holt's Electrical Toolbox | PanelVue Builder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (196 ratings)](https://appshunter.io/ios/app/mike-holts-electrical-toolbox/id1406630647/reviews)** | [3.5 (11 ratings)](https://appshunter.io/ios/app/panelvue-builder/id1457648018/reviews) |
| Number of ratings | **196** | 11 |
| Positive reviews | **76.7% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 26 MB | 39 MB |
| Requires iOS | 14.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mike Holt Enterprises](https://appshunter.io/developer/1349960186) | [PanelVue](https://appshunter.io/developer/1416933291) |

## What reviewers say

### Mike Holt's Electrical Toolbox

[App page](https://appshunter.io/ios/app/mike-holts-electrical-toolbox/id1406630647)

This app provides essential calculations for electricians, inspectors, contractors, and engineers. It helps determine conductor sizing, circuit protection, race sizing, and grounding conductor sizes for various electrical equipment and services.

**Highlights:** Conductor sizing, Voltage drop limitations, Circuit protection sizing, Race sizing, Equipment grounding conductor sizing, Dwelling-unit service calculations

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great app for electricians
- 💡 Provides code article references
- 👍 Useful for on-the-spot reference
- 👍 Excellent for verifying calculations
- 👍 Helpful for exam preparation

**What reviewers complain about**

- 🐛 Emailing results not working
- 🐛 Outdated information
- 🐛 Load calc a little clunky
- 🐛 Content setup needs overhaul
- 🐛 Video series lacks completion system

**Reported bugs**

- Cannot email results
- Video player widescreen exit bug
- Previous calculation data not erased
- App content is outdated

**Requested features**

- Increase transformer capacity to 225kva
- Add option to print load calc
- Update to NEC 2020
- Add completion system for video series
- Refine user interface for better usability


### PanelVue Builder

[App page](https://appshunter.io/ios/app/panelvue-builder/id1457648018)

Create, manage, and share professional panel schedules with this intuitive tool. Store panel information, photos, and generate printable PDFs. Offers a dashboard for easy organization and a free trial for two schedules.

**Highlights:** Panel schedule builder, Panel profile creation, Dashboard for schedule management, Photo storage for panels, Shareable and printable PDF export, Free trial for two schedules

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access Subscription | $3.99 | per month |


## Frequently asked questions

### Is Mike Holt's Electrical Toolbox free?

Mike Holt's Electrical Toolbox is free to download, with no in-app purchases.

### Is PanelVue Builder free?

PanelVue Builder is free to download, with in-app purchases available.

### Which has better reviews, Mike Holt's Electrical Toolbox or PanelVue Builder?

Mike Holt's Electrical Toolbox is rated higher. Mike Holt's Electrical Toolbox averages 4.6 out of 5 from 196 ratings, while PanelVue Builder averages 3.5 from 11 ratings.

### Do Mike Holt's Electrical Toolbox or PanelVue Builder have ads?

Neither Mike Holt's Electrical Toolbox nor PanelVue Builder shows ads.

### Which is updated more often, Mike Holt's Electrical Toolbox or PanelVue Builder?

Mike Holt's Electrical Toolbox ships an update every 3 months, and PanelVue Builder every 2 months. Most recently, Mike Holt's Electrical Toolbox was updated on October 21, 2026 and PanelVue Builder on September 30, 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.*