| Core Identity |
| Developer | Francisco Alcala | Cyberprodigy LLC | Informed Publishing | Egal Net di Ettore Gallina | Calculated Industries |
| Category | Productivity | Utilities | Productivity | Productivity | Utilities |
| Platform | iOS | iOS, Android | iOS, Android | iOS, Android | Android, iOS |
| Store Metrics |
| Rating | 4.3 / 5 | 4.8 / 5 | 4.4 / 5 | 4.6 / 5 | 4.9 / 5 |
| Ratings Count | 96 | 1,686 | 1,449 | 124 | 37,538 |
| Price | USD3.99 | $7.99 | $12.99 | Free | Free |
| Release Date | Nov 16, 2009 | Nov 28, 2012 | Dec 9, 2016 | Jun 6, 2015 | May 5, 2010 |
| Last Updated | Jan 2, 2018 | Oct 7, 2024 | Apr 2, 2026 | Mar 3, 2026 | Apr 16, 2026 |
| Sentiment & Reviews |
| Sentiment | positive | mixed | mixed | - | - |
| Score | 82/100 | 55/100 | 35/100 | - | - |
| Praises | - Complex conduit bending calculations are simplified into actionable steps for professional electricians
| - Simplified conduit bending calculations allow novice electricians to produce professional results quickly
- Time saving benefits for experienced contractors managing daily electrical installation projects
| - Comprehensive electrical reference material provides essential field support for journeyman and apprentice electricians
| - | - |
| Complaints | - Lack of support for rigid conduit types limits utility for industrial electrical contractors
| - Subscription model implementation creates confusion and frustration regarding payment and cancellation processes
- Limited pipe size and material options restrict utility for diverse professional electrical applications
- Digital level functionality remains unreliable or non-functional across multiple user reports
| - Aggressive review solicitation interrupts professional workflow and creates significant user frustration
| - | - |
| Requests | - Expanded material support for rigid conduit to assist industrial electrical trade professionals
| - Expanded calculation inputs for custom obstruction dimensions and specific conduit types
| - Zoomable page functionality would improve readability for users with visual impairments
| - | - |
| Strategic Intel |
| Strengths | - Customized bender profiles create high switching costs
- Centerline radius engine provides technical precision
- Simplified UI reduces field-task friction
| - NEC-compliant calculation logic sustains professional trust
- Psiphon network integration provides a mission-driven differentiator
- Background-service architecture minimizes user intervention
| - Official NEC content licensing creates a high-trust barrier against non-specialized reference apps.
- Offline-first architecture ensures utility in remote job sites where connectivity is unreliable.
- Volume purchase program provides a B2B distribution channel into electrical contracting firms.
| - | - |
| Weaknesses | - Zero feature updates since 2018
- No rigid conduit support for industrial users
- Inconsistent wearable device functionality
| - Subscription-model confusion drives negative sentiment
- 0.5★ Android-iOS rating gap indicates platform-specific feature parity issues
- Digital-level tool reliability failures
| - Aggressive review prompts surfacing on every launch drive negative sentiment and churn.
- Search functionality requires exact terminology, limiting usability for non-expert users.
- Technical regressions in the latest update broke video playback and removed critical tables.
| - | - |
| Pricing | paid | freemium | paid | freemium | freemium |
| Momentum | Zombie | Active | Maintenance | Active | Active |
| Update Cadence | 1 versions | 5 versions | 3 versions, 2 majors/6mo, ~44d avg | 5 versions | 5 versions |