Report updated May 25, 2026
Mike Holt's Electrical Toolbox
For electrical professionals including electricians, inspectors, instructors, contractors, and engineers.
Mike Holt's Electrical Toolbox is an established utilities app that is completely free. With a 4.6/5 rating from 316 reviews, it shows polarized user reception.
What is Mike Holt's Electrical Toolbox?
Mike Holt's Electrical Toolbox is a utility app providing automated electrical sizing and code-compliance calculations for electricians and engineers on iOS and Android.
Professionals hire this tool to ensure code-compliant field calculations, reducing the risk of inspection failures and design errors.
Current Momentum
v1.0 · 1mo ago
Maintenance- Ships periodic updates for code compliance.
- Maintains consistent multi-platform availability.
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Automated sizing tools for conductors, voltage drop, circuit protection, raceways, and equipment grounding.
Dedicated calculation modules for motors, transformers, and air-conditioning equipment.
In-app search functionality to locate specific calculation modules.
How much does it cost?
- Free app with no IAP or ads
The app functions as a free lead-generation tool for the developer's broader catalog of $850–$1999 training libraries.
Who Built It?
Enrichment in progress
Publisher profile available very soon
What other apps does Mike Holt Enterprises make?
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Mike Holt's Electrical Toolbox?
Where is it available?
Localized markets (1)
How's The Utilities Market?
**Pricing Strategy**: The app is free with no IAP or ads, functioning as a marketing vehicle for the developer's $850–$1999 training catalog. **Target Audience**: Electrical professionals, including inspectors, contractors, and engineers. **Performance**: The app maintains a stable presence in the Utilities category, anchored by its reputation for code compliance.
The rivals identified
Nemeses(1)
This app directly competes for the electrician's workflow by focusing on the physical installation and geometry calculations required on the job site.
Differentiators
- Offers a dedicated, visual-first bender library that simplifies complex conduit geometry for field technicians.
- Maintains a significantly higher release cadence, ensuring the app stays compatible with the latest OS updates.
- Focuses on a singular, high-utility task which reduces cognitive load compared to a multi-tool suite.
Head to head
The target should integrate more interactive, visual-based calculators to match the nemesis's ease-of-use while leaning into its superior code-compliance authority.
Contenders(4)
This app competes by providing fundamental electrical law calculations that are essential for the same professional electrician user base.
This app serves as a direct alternative for electrical engineers and contractors needing quick power conversion and circuit parameter calculations.
Differentiators
- Offers a streamlined, single-purpose interface that allows for faster calculation of power parameters than a multi-tool app.
- Maintains cross-platform parity that ensures consistent performance across diverse mobile hardware environments.
This app targets the same core utility audience by focusing on wire sizing, voltage drop analysis, and load management calculations.
WAGO competes by offering a manufacturer-backed ecosystem that provides planning tools and product search for electrical professionals.
Differentiators
- Integrates proprietary hardware search tools that bridge the gap between digital planning and physical product procurement.
- Provides offline planning capabilities that are essential for contractors working in remote or signal-deprived job sites.
Same space(3)
This app is a peer in the 'industrial utility' space, providing specific calculation modes for heavy machinery and equipment operators.
Differentiators
- Provides terrain-specific optimization logic that is highly valued by heavy equipment operators in the field.
- Offers a dual-mode interface that caters to both novice users and advanced technical professionals.
This app is a peer in the 'reference utility' space, providing specialized tools for scientific professionals similar to our electrical reference tools.
Orenda represents a peer in the 'specialized trade utility' space, providing complex chemistry calculations for pool professionals.
Differentiators
- Integrates an academy-style educational platform directly into the utility app to drive long-term user retention.
- Includes a rewards program that incentivizes professional users to remain within the brand ecosystem.
Compare Mike Holt's Electrical Toolbox against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Mike Holt's Electrical Toolbox
Strengths to defend, gaps to attack
Core Strengths
- Authoritative Mike Holt brand compliance
- Comprehensive multi-utility calculation suite
- Zero-cost barrier to entry
Critical Frictions
- No IAP or ad-monetization
- Static update cadence
- UI/UX lacks visual-first field optimization
Growth Levers
- Integrate interactive visual-based calculators
- Expand into trade-specific educational content
- Implement offline-first planning tools
Market Threats
- Modern multi-trade bundles like Build Specs
- Specialized conduit-bending apps
- OS-level compatibility drift
What are the next best moves?
Integrate visual-based conduit calculators because nemesis apps like Conduit Bending capture daily-use mindshare → increase retention
Competitor analysis identifies visual-first libraries as the primary driver of daily field-math usage.
Trade-off: Pause the planned UI refresh for the settings menu — visual calculators have higher retention impact.
Audit OS compatibility for the latest release because static update cadence risks platform drift → prevent rating erosion
Competitor analysis shows nemesis apps maintain higher release cadences to ensure OS compatibility.
Trade-off: Defer new calculation modules to Q4 — platform stability is critical for professional-grade utility.
A counter-intuitive read
The app's lack of monetization is not a strength but a strategic failure, as it leaves the product in a perpetual 'maintenance mode' that prevents the investment needed to defend against modern, feature-rich entrants.
Feature Gaps vs Competitors
- Visual-first conduit bending library (available in Conduit Bending)
- Offline-first planning tools (available in WAGO)
- Multi-trade calculation bundles (available in Build Specs)
Key Takeaways
- The app's current value lies in its brand authority, but it risks obsolescence against modern, visual-first competitors.
- Transitioning from a pure lead-gen tool to a habit-forming utility requires integrating interactive, visual-based calculation modules.
- The lack of monetization is a missed opportunity to capture the value of the professional-grade utility provided.
The app provides high-value utility that reinforces the Mike Holt brand, but its lack of habit-forming UI leaves it vulnerable to specialized rivals, so the PM should prioritize visual-first calculation tools to defend against daily-use churn.
Where Is It Heading?
Stable
The electrical utility market is consolidating around modern, multi-trade bundles that prioritize visual ease-of-use over raw calculation power. Without a shift toward interactive, visual-first tools, the app risks becoming a legacy reference tool rather than a daily field companion.
The app maintains a steady utility-focused update cadence, but lacks the aggressive feature expansion seen in new market entrants.
The absence of monetization limits the budget for UI modernization, which increases the risk of churn to visual-first competitors.