# Mike Holt's Electrical Toolbox vs ExView®

The clearest difference is rating: ExView® at 5.0 against Mike Holt's Electrical Toolbox's 4.6. Mike Holt's Electrical Toolbox's advantage is ratings volume (198 vs 1) and update cadence (every 3 months vs every 6 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ExView® holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Mike Holt's Electrical Toolbox has 198 ratings behind it against 1, so its average is the more settled of the two.

Mike Holt's Electrical Toolbox ships an update every 3 months, ExView® every 6 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Mike Holt's Electrical Toolbox | ExView® |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (198 ratings)](https://appshunter.io/ios/app/mike-holts-electrical-toolbox/id1406630647/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/exview/id1547400277/reviews)** |
| Number of ratings | **198** | 1 |
| Positive reviews | 76.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 26 MB | 92 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mike Holt Enterprises](https://appshunter.io/developer/1349960186) | [Extech Instruments](https://appshunter.io/developer/966942122) |

## 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


### ExView®

[App page](https://appshunter.io/ios/app/exview/id1547400277)

This app connects to compatible meters to collect, trend, and analyze environmental data remotely. It allows for real-time monitoring, setting alarms, and generating custom PDF reports with photos. Data can be easily shared with team members.

**Highlights:** Remote data collection and trending, Real-time dashboard view, Bluetooth connectivity up to 90m, Programmable high/low alarms, Export data as CSV, Generate custom PDF reports, Attach photos to reports

**In-app purchases:** none


## 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 ExView® free?

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

### Which has better reviews, Mike Holt's Electrical Toolbox or ExView®?

ExView® is rated higher. Mike Holt's Electrical Toolbox averages 4.6 out of 5 from 198 ratings, while ExView® averages 5.0 from 1 ratings.

### Do Mike Holt's Electrical Toolbox or ExView® have ads?

Neither Mike Holt's Electrical Toolbox nor ExView® shows ads.

### Which is updated more often, Mike Holt's Electrical Toolbox or ExView®?

Mike Holt's Electrical Toolbox ships an update every 3 months, and ExView® every 6 months. Most recently, Mike Holt's Electrical Toolbox was updated on November 6, 2026 and ExView® on November 3, 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.*