# UVT vs Mike Holt's Electrical Toolbox

The clearest difference is ads: Mike Holt's Electrical Toolbox at none against UVT's shown. Mike Holt's Electrical Toolbox also leads on ratings volume (196 vs 3) and monetization model (free vs ad-supported). UVT's advantage is rating (5.0 vs 4.6) and review sentiment (100% vs 77%). On price, 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.

UVT 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 196 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of UVT's written reviews are positive against 77% of Mike Holt's Electrical Toolbox's.

UVT ships an update every 3 weeks, Mike Holt's Electrical Toolbox every 3 months. The most recent releases landed on October 3, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | UVT | Mike Holt's Electrical Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/uvt/id1104674191/reviews)** | [4.6 (196 ratings)](https://appshunter.io/ios/app/mike-holts-electrical-toolbox/id1406630647/reviews) |
| Number of ratings | 3 | **196** |
| Positive reviews | **100.0% of reviews** | 76.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Ad-supported | **Free** |
| Size | 140 MB | 26 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KumpeApps LLC](https://appshunter.io/developer/511666371) | [Mike Holt Enterprises](https://appshunter.io/developer/1349960186) |

## What reviewers say

### UVT

[App page](https://appshunter.io/ios/app/uvt/id1104674191)

This utility app offers detailed notes on essential networking color codes and wiring schemes. It also guides users through configuring static IP addresses on U-verse gateways.

**Highlights:** 25 pair copper color code notes, Fiber optic color code notes, RJ-45 wiring scheme, Static IP addressing setup, U-verse gateway configuration

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is UVT free?

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

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

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

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

UVT is rated higher. UVT averages 5.0 out of 5 from 3 ratings, while Mike Holt's Electrical Toolbox averages 4.6 from 196 ratings.

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

UVT shows ads; Mike Holt's Electrical Toolbox does not.

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

UVT ships an update every 3 weeks, and Mike Holt's Electrical Toolbox every 3 months. Most recently, UVT was updated on October 3, 2026 and Mike Holt's Electrical Toolbox on October 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.*