| Core Identity |
| Developer | Informed Publishing | Egal Net di Ettore Gallina | Mike Holt Enterprises | xNeat.com | Readdle Technologies Limited | Notion Labs, Incorporated |
| Category | Productivity | Productivity | Utilities | Productivity | Productivity | Productivity |
| Platform | iOS, Android | iOS, Android | Android, iOS | Android, iOS | Android, iOS | Android, iOS |
| Store Metrics |
| Rating | 4.4 / 5 | 4.6 / 5 | 4.6 / 5 | 4.8 / 5 | 4.8 / 5 | 4.8 / 5 |
| Ratings Count | 1,449 | 124 | 198 | 488 | 614,518 | 82,804 |
| Price | USD12.99 | Free | Free | Free | Free | Free |
| Release Date | Dec 9, 2016 | Jun 6, 2015 | May 23, 2019 | Mar 3, 2019 | Apr 1, 2010 | Sep 14, 2017 |
| Last Updated | Apr 2, 2026 | Mar 3, 2026 | Oct 13, 2025 | May 4, 2026 | Apr 14, 2026 | May 5, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | - | - | - | positive | negative |
| Score | 35/100 | - | - | - | 78/100 | 35/100 |
| Praises | - Comprehensive electrical reference material provides essential field support for journeyman and apprentice electricians
| - | - | - | - Ease of Use and Interface
- Cross-Platform/Device Utility
| - Relational database structure provides powerful organization for personal and professional knowledge management
|
| Complaints | - Aggressive review solicitation interrupts professional workflow and creates significant user frustration
| - | - | - | - Aggressive Monetization
- Performance and Stability Issues
| - Frequent app crashes and UI freezing during text editing sessions on mobile devices
|
| Requests | - Zoomable page functionality would improve readability for users with visual impairments
| - | - | - | - | - Toggle switch to disable or hide AI features from the primary interface
|
| Strategic Intel |
| Strengths | - 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.
| - | - Authoritative Mike Holt brand compliance [Market Segment]
- Comprehensive multi-utility calculation suite [Feature Set]
- Zero-cost barrier to entry [Pricing Strategy]
| - High-accuracy geometry engine sustains organic install velocity
- Intuitive interface reduces trial-and-error for field apprentices
| - Modern and intuitive UI/UX compared to legacy competitors
- Advanced AI integration (transcription, smart eraser)
- Massive social proof with 2.2M+ ratings
| - Relational database engine enables complex knowledge management systems
- Template library lowers barrier to entry for new users
|
| Weaknesses | - 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.
| - | - No IAP or ad-monetization [Revenue Model]
- Static update cadence [Release History]
- UI/UX lacks visual-first field optimization [User Feedback]
| - Zero-revenue model limits reinvestment capacity
- Absence of cloud-sync prevents cross-device project continuity
| - User friction from aggressive subscription paywalls
- Performance regressions (crashing, overheating) in recent updates
- Lack of granular network protocol depth compared to GoodReader
| - Mobile app crashes during long editing sessions
- Forced AI elements disrupt core UI
|
| Pricing | paid | freemium | free | free | freemium | freemium |
| Momentum | Maintenance | Active | Maintenance | Maintenance | Active | Active |
| Update Cadence | 3 versions, 2 majors/6mo, ~44d avg | 5 versions | 5 versions, ~111d avg | 5 versions, ~98d avg | 5 versions, 1 majors/6mo, ~7d avg | 5 versions, ~5d avg |
