Comparison

UVT vs Mike Holt's Electrical Toolbox

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

UVT

Free

🔧 Utilities

★ 5.03 ratingsView app →

Mike Holt's Electrical Toolbox

Electrical Power Calculator

Free

🔧 Utilities

★ 4.6196 ratingsView app →

About

UVT

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

Read full description

UV Trainer provides notes on 25 pair copper color code, fiber optic color code, and RJ-45 wiring scheme. This app will also walk you thru setting up static IP addressing on a uverse gateway.

About

Mike Holt's Electrical Toolbox

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

Read full description

Mike Holt, the industry leader in the electrical industry (MikeHolt.com) has created an amazing, practical and useful app for the electrician, inspector, instructor, contractor and engineer. The app contains conductor sizing (including voltage drop limitations), circuit protection sizing, race sizing, equipment grounding conductor sizing for electric heating equipment (commercial and Residential), air-conditioning equipment (commercial and Residential), motors (commercial and Residential), Transformers (commercial) , and dwelling-unit service calculations and sizing.

Screenshots

UVT4 screens

Mike Holt's Electrical Toolbox4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level

UVT versus Mike Holt's Electrical Toolbox: the parameters behind the verdict, then further details
Parameter	UVT	Mike Holt's Electrical Toolbox
Price	Free	Free
Rating	5.0 (3 ratings) — better	4.6 (196 ratings)
Positive reviews	100.0% of reviews — better	76.7% of reviews
Number of ratings	3	196 — better
Update frequency	Every 3 weeks — better	Every 3 months
Ads	Yes	No — better
In-app purchases	No	No
Monetization	Ad-supported	Free — better
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	12.0 — better	14.0
Further details — not scored
Size	140 MB	26 MB
Age rating	4+	4+
Developer	KumpeApps LLC	Mike Holt Enterprises

Customer experience

UVT

All ratings3 ratings

Positive100.0%

Neutral0.0%

Negative0.0%

Written reviews2 reviews

Positive100.0%

Neutral0.0%

Negative0.0%

Mike Holt's Electrical Toolbox

All ratings197 ratings

Positive90.4%

Neutral1.5%

Negative8.1%

Written reviews30 reviews

Positive76.7%

Neutral6.7%

Negative16.7%

Bugs and requests

UVT

Not enough reviews yet to summarise bugs or requests.

Mike Holt's Electrical Toolbox

Reported bugs

4 issues

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

Requested features

6 requests

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

Show 1 more

Add more features, willing to pay extra

In-app purchases

None

UVT

No in-app purchases

None

Mike Holt's Electrical Toolbox

No in-app purchases

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.