Mike Holt's Electrical Toolbox vs Panel Tracker
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.
Panel Tracker
Organize your electrical panel by labeling breakers with custom notes. Get an instant overview and share your panel layout easily. Data is stored locally for privacy, with optional syncing.
- Custom breaker labels
- Detailed notes for each breaker
- Instant panel overview
- Customizable to panel size
- Effortless sharing
- Secure local storage
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Easily label your electrical panel's breakers: Organize your panel by assigning custom labels to each breaker for quick identification. Add detailed notes: Keep track of important information for each breaker, like appliance connections or maintenance history. Instant overview of your panel: See all breaker labels and notes at a glance with a clear and concise layout. Tailor your panel to fit your needs: Fully customizable to match the exact number of breakers in your panel. Effortless sharing: Share your panel with others, whether it's with family members, electricians, or tenants. Secure, local storage: All your panel data stays stored locally by default for maximum privacy, with the option to sync for easy backup and sharing.
Screenshots
Verdict
The clearest difference is rating: Mike Holt's Electrical Toolbox at 4.6 against Panel Tracker's 1.0. Mike Holt's Electrical Toolbox also leads on ratings volume (197 vs 1) and update cadence (every 3 months vs every 15 months). On price, ads, in-app purchases and monetization model 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 1.0. That said, the two scores are not equally well evidenced: Mike Holt's Electrical Toolbox has 197 ratings behind it against 1, so its average is the more settled of the two.
Mike Holt's Electrical Toolbox ships an update every 3 months, Panel Tracker every 15 months. The most recent releases landed on October 8, 2026 and September 18, 2026 respectively.
| Parameter | Mike Holt's Electrical Toolbox | Panel Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (197 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 76.7% of reviews | — |
| Number of ratings | 197 — better | 1 |
| Update frequency | Every 3 months — better | Every 15 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 26 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Mike Holt Enterprises | Rooted Software |
Customer experience
Mike Holt's Electrical Toolbox
Panel Tracker
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
Panel Tracker
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Mike Holt's Electrical Toolbox
No in-app purchases
Panel Tracker
No in-app purchases
Questions
Is Mike Holt's Electrical Toolbox free?
Is Panel Tracker free?
Which has better reviews, Mike Holt's Electrical Toolbox or Panel Tracker?
Do Mike Holt's Electrical Toolbox or Panel Tracker have ads?
Which is updated more often, Mike Holt's Electrical Toolbox or Panel Tracker?
Other comparisons
