# Stonel Wireless Link vs Mike Holt's Electrical Toolbox

The clearest difference is ratings volume: Mike Holt's Electrical Toolbox at 198 against Stonel Wireless Link's 2. Mike Holt's Electrical Toolbox also leads on update cadence (every 3 months vs every 6 months). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.5 for Stonel Wireless Link against 4.6 for Mike Holt's Electrical Toolbox. That said, the two scores are not equally well evidenced: Mike Holt's Electrical Toolbox has 198 ratings behind it against 2, so its average is the more settled of the two.

Stonel Wireless Link ships an update every 6 months, Mike Holt's Electrical Toolbox every 3 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Stonel Wireless Link | Mike Holt's Electrical Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/stonel-wireless-link/id995355080/reviews) | **[4.6 (198 ratings)](https://appshunter.io/ios/app/mike-holts-electrical-toolbox/id1406630647/reviews)** |
| Number of ratings | 2 | **198** |
| Positive reviews | — | 76.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 2 MB | 26 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Valmet Flow Control Inc.](https://appshunter.io/developer/995355079) | [Mike Holt Enterprises](https://appshunter.io/developer/1349960186) |

## What reviewers say

### Stonel Wireless Link

[App page](https://appshunter.io/ios/app/stonel-wireless-link/id995355080)

This app allows remote monitoring and control of automated valves via Bluetooth. Users can locate valves, set switch positions, manage network addresses, and log maintenance information. It also provides access to installation manuals and diagnostic data.

**Highlights:** Remote valve location, Monitor/set switch positions, Monitor/set network address, Operate solenoid valves, Identify model/serial number, Log maintenance information, Monitor diagnostics

**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 Stonel Wireless Link free?

Stonel Wireless Link 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, Stonel Wireless Link or Mike Holt's Electrical Toolbox?

Mike Holt's Electrical Toolbox is rated higher. Stonel Wireless Link averages 4.5 out of 5 from 2 ratings, while Mike Holt's Electrical Toolbox averages 4.6 from 198 ratings.

### Do Stonel Wireless Link or Mike Holt's Electrical Toolbox have ads?

Neither Stonel Wireless Link nor Mike Holt's Electrical Toolbox shows ads.

### Which is updated more often, Stonel Wireless Link or Mike Holt's Electrical Toolbox?

Stonel Wireless Link ships an update every 6 months, and Mike Holt's Electrical Toolbox every 3 months. Most recently, Stonel Wireless Link was updated on November 1, 2026 and Mike Holt's Electrical Toolbox on November 6, 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.*