Mike Holt's Electrical Toolbox vs Generac Go
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Conductor sizing
- Voltage drop limitations
- Circuit protection sizing
- Race sizing
- Equipment grounding conductor sizing
- Dwelling-unit service calculations
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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.
Generac Go
Monitor and control your Generac GB battery power station remotely or locally. View real-time power status, adjust settings, and manage outlets and lights from your smartphone.
- Remote and local access via Bluetooth/Wi-Fi
- Real-time power monitoring
- Adjust charge speeds and timeouts
- Control outlets and lights
- Manage multiple devices
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Monitor and Control Your GB Power Stations from Anywhere The Generac Go app gives you full visibility and control of your Generac GB battery power station, all from your phone. Whether you’re at home, off‑grid, or on the move, Generac Go keeps you connected to your power when and where you need it. -Connect via Bluetooth or Wi-Fi for local or remote access -Real-time monitoring of battery SOC, output wattage, input wattage, average solar input, and USB activations -Control device by adjusting charge speeds and timeout preferences. -Turn on & off outlets and light settings -Add multiple devices to and see status of units at a glance
Screenshots
Verdict
The clearest difference is rating: Generac Go at 5.0 against Mike Holt's Electrical Toolbox's 4.6. Generac Go also leads on review sentiment (100% vs 77%). Mike Holt's Electrical Toolbox's advantage is monetization model (free vs free with in-app purchases) and ratings volume (197 vs 4). On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Generac Go 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 197 ratings behind it against 4, 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 100% of Generac Go's.
Mike Holt's Electrical Toolbox ships an update every 3 months, Generac Go every 6 months. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.
| Parameter | Mike Holt's Electrical Toolbox | Generac Go |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (197 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 76.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 197 — better | 4 |
| Update frequency | Every 3 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 26 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Mike Holt Enterprises | Generac Power Systems, Inc. |
Customer experience
Mike Holt's Electrical Toolbox
Generac Go
Bugs and 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
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- Add more features, willing to pay extra
Generac Go
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Mike Holt's Electrical Toolbox
No in-app purchases
Generac Go
No in-app purchases
Questions
Is Mike Holt's Electrical Toolbox free?
Is Generac Go free?
Which has better reviews, Mike Holt's Electrical Toolbox or Generac Go?
Do Mike Holt's Electrical Toolbox or Generac Go have ads?
Which is updated more often, Mike Holt's Electrical Toolbox or Generac Go?
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