Mike Holt's Electrical Toolbox vs SimplBlue Lighting Controls
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.
SimplBlue Lighting Controls
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Lighting Controls made simple. Utilizing the latest Bluetooth mesh technology, SimplBlue by Aleo Lighting allows for easy commissioning and startup of wireless lighting controls. Create networks, create groups, add devices, and provision settings through the app.
Screenshots
Verdict
The clearest difference is iOS requirement: SimplBlue Lighting Controls at 12.0 against Mike Holt's Electrical Toolbox's 14.0. 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.
Mike Holt's Electrical Toolbox ships an update every 3 months, SimplBlue Lighting Controls every 4 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.
| Parameter | Mike Holt's Electrical Toolbox | SimplBlue Lighting Controls |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (197 ratings) — better | — |
| Positive reviews | 76.7% of reviews | — |
| Number of ratings | 197 — better | — |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Mike Holt Enterprises | Aleo Lighting, Inc. |
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
SimplBlue Lighting Controls
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Mike Holt's Electrical Toolbox
No in-app purchases
SimplBlue Lighting Controls
No in-app purchases
Questions
Is Mike Holt's Electrical Toolbox free?
Is SimplBlue Lighting Controls free?
Do Mike Holt's Electrical Toolbox or SimplBlue Lighting Controls have ads?
Which is updated more often, Mike Holt's Electrical Toolbox or SimplBlue Lighting Controls?
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