Mike Holt's Electrical Toolbox vs Leviton Smart Sensor
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.
Leviton Smart Sensor
Configure and interact with Leviton Smart Sensor products. Tailor sensor settings to specific space requirements and comply with energy codes. Suitable for installers, building maintenance, and end-users.
- Configure smart sensor products
- Set space requirements
- Comply with energy codes
- Interact with sensors
- Suitable for installers and end-users
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This app can be used to interact with any of Leviton’s Smart Sensor products. The application allows user’s to configure the sensor based on the requirements for the space and per the industry’s latest energy code requirements. Application is appropriate to be used by installers, building maintainers, and end-users.
Screenshots
Verdict
The clearest difference is rating: Mike Holt's Electrical Toolbox at 4.6 against Leviton Smart Sensor's 3.9. Mike Holt's Electrical Toolbox also leads on ratings volume (197 vs 9) and review sentiment (77% vs 67%). 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 holds the better App Store score, 4.6 against 3.9. That said, the two scores are not equally well evidenced: Mike Holt's Electrical Toolbox has 197 ratings behind it against 9, 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 67% of Leviton Smart Sensor's.
Mike Holt's Electrical Toolbox ships an update every 3 months, Leviton Smart Sensor every 5 months. The most recent releases landed on September 21, 2026 and September 11, 2026 respectively.
| Parameter | Mike Holt's Electrical Toolbox | Leviton Smart Sensor |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (197 ratings) — better | 3.9 (9 ratings) |
| Positive reviews | 76.7% of reviews — better | 66.7% of reviews |
| Number of ratings | 197 — better | 9 |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Mike Holt Enterprises | Leviton Manufacturing Co. Inc. |
Customer experience
Mike Holt's Electrical Toolbox
Leviton Smart Sensor
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
Leviton Smart Sensor
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Mike Holt's Electrical Toolbox
No in-app purchases
Leviton Smart Sensor
No in-app purchases
Questions
Is Mike Holt's Electrical Toolbox free?
Is Leviton Smart Sensor free?
Which has better reviews, Mike Holt's Electrical Toolbox or Leviton Smart Sensor?
Do Mike Holt's Electrical Toolbox or Leviton Smart Sensor have ads?
Which is updated more often, Mike Holt's Electrical Toolbox or Leviton Smart Sensor?
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