Comparison

Electrical Calculator Pro vs Grounded

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Electrical Calculator Pro

Features
Read full description

The Ultimate Toolkit for Modern Electricians. Precision and speed are non-negotiable on the job site. Electrical Calculator Pro is the comprehensive, professional-grade software designed for installers, electrical designers, and engineers who need accurate calculations and reliable reports in seconds. Whether you are sizing cables, calculating voltage drop, or checking circuit breaker requirements, our app handles the complex math while complying with major international codes (NEC, IEC, CEC, BS). *** Core Calculations *** 1. Ohm's Law & Power: Instantly solve for Voltage, Current, Resistance, and Power (Single & 3-Phase). 2. Advanced Cable Sizing: Determine recommended conductor sizes based on current, length, and installation method. 3. Voltage Drop Calculator: Ensure safety and compliance by calculating precise drops over any distance. 4. Circuit Breaker Sizing: Suggest appropriate breaker sizes to protect your installations. 5. Conduit Fill: Estimate raceway capacity and fill ratios on the fly. 6. Motor Analysis: Calculate Motor Current, Efficiency, Slip, and Torque with ease. 7. Comprehensive Unit Conversion: Seamlessly convert between Power, Energy, Temperature, and Imperial/Metric units. *** Professional Features *** 1. Persistent History: Save every calculation to your log for quick reference or client documentation. 2. Clear Visual Previews: Intuitive icons and clean layouts designed for clarity in low-light or high-pressure environments.

About

Grounded

This app provides a comprehensive toolkit for electricians, featuring NEC calculations, AI-powered code assistance, and pipe bending diagrams. It also includes solar sizing tools, reference tables, and study aids for exam preparation. Core features are free, with an optional Pro subscription for full access.

Highlights
  • NEC calculations (voltage drop, wire sizing, load calcs)
  • AI assistant for code questions with article citations
  • Live pipe bending diagrams
  • Solar PV string sizing and production estimating
  • Offline job notes and tracking
  • NEC flashcards and exam prep
Read full description

Grounded is the field toolkit for electricians — built by a working electrician, not a software company. CALCULATORS • Voltage drop, wire & breaker sizing, conduit fill, box fill • Article 220 load calculations • Motor circuits, transformers, grounding & bonding • Ohm's law & three-phase power AI ASSISTANT • Ask code questions in plain English • Answers cite the relevant NEC articles • Built for the field — always verify with your local code PIPE BENDING • Live diagrams that draw your exact bend • Stub-ups, offsets, saddles, rolling offsets, and multi-bend SOLAR / PV • String sizing with cold-temperature voltage checks • Conductor, OCPD, and interconnection sizing • Solar production & payback estimating ON THE JOB • Reference tables: ampacity, conduit fill, torque specs • Wire color codes by voltage system • Notes — jot measurements offline, synced to your account • Panel schedules, job estimating, and hours tracking • Works offline in basements and new construction STUDY • NEC flashcards with spaced repetition • Exam prep built for the 2026 code cycle Built on the 2026 NEC, with 2023 supported. Core tools are free; Grounded Pro unlocks the full toolkit. GROUNDED PRO • Monthly — $8.99 • Annual — $79.99 (save 26%) Payment is charged to your Apple ID at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel anytime in Settings → your name → Subscriptions. Terms of Service: https://www.groundedpro.io/terms Privacy Policy: https://www.groundedpro.io/privacy Grounded is a calculation aid — always verify with the NEC and your local AHJ. Not affiliated with NFPA.

Screenshots

Electrical Calculator Pro4 screens
Grounded4 screens

Verdict

The call

The clearest difference is ads: Grounded at none against Electrical Calculator Pro's shown. Grounded also leads on iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Electrical Calculator Pro sells 1 one-off in-app purchase and Grounded sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 6 level
Electrical Calculator Pro versus Grounded: the parameters behind the verdict, then further details
ParameterElectrical Calculator ProGrounded
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
AdsYesNo — better
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size8 MB9 MB
Age rating4+4+
DeveloperDo TriMason Reed

In-app purchases

1 purchases

Electrical Calculator Pro

One-time1
  • Remove Ads$9.99
2 purchases

Grounded

Subscriptions2
  • Grounded Pro Monthly$8.991 Month
  • Grounded Pro Annual$79.991 Year

Questions

Is Electrical Calculator Pro free?
Electrical Calculator Pro is free to download, with in-app purchases available.
Is Grounded free?
Grounded is free to download, with in-app purchases available.
Do Electrical Calculator Pro or Grounded have ads?
Electrical Calculator Pro shows ads; Grounded does not.

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