Comparison

AWG Calculator vs E

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

Head to head
About

AWG Calculator

This professional tool provides electricians with accurate, code-based electrical calculations for wire sizing, voltage drop, circuit breakers, and more. It includes NEC® code references and specialized calculations for various systems. Save time and ensure accuracy in the field or during planning.

Highlights
  • Wire size (AWG) calculations
  • Voltage drop calculation
  • Circuit breaker sizing
  • NEC® 2023/2026 searchable articles
  • Material and temperature customization
  • Electrical estimation tools
Features
Read full description

Professional Electrical Calculations Made Simple AWG Calculator is a professional tool designed for electricians who need accurate, code-based electrical calculations in the field, during inspections, or while planning installations. Perform critical calculations quickly and with confidence, following NEC® standards. Key Features • Wire size (AWG) calculations • Voltage drop calculation • Adjusted ampacity based on installation conditions • Circuit breaker sizing • Equipment grounding conductor sizing • Conduit and box fill calculations • Branch, feeder, and service calculations • Residential load calculations • Ohm’s Law calculations • Material and temperature customization NEC® Code & Reference • Professionally designed NEC® tables • Searchable NEC® FAQs for practical interpretation • Service protection calculations over 100A Specialized Calculations • Motor calculations • Fire pump calculations • Arc welder calculations • Air conditioning (HVAC) electrical calculations Additional Tools • Electrical estimation tools • Series and parallel circuit references • Miscellaneous electrical topics • ChatAWG – offline assistance (not AI-dependent) AWG Calculator helps electricians save time, avoid errors, and work with confidence, whether on residential, commercial, or industrial electrical systems. Subscription Options • All Access – Monthly (1 month) • All Access – Annual (1 year) License Agreement: http://www.apple.com/legal/itunes/appstore/dev/stdeula

About

E

Read full description

E-Write NFC is a configuration tool used for the purpose of configuring NFC-enabled Axiomatic controllers; valve drivers, signal converters, and others. E-Write NFC tool is a means of allowing users to configure NFC-enabled Axiomatic controllers to suit their application. Parameters such as Input Type, Output Type, Output Min/Max Range can all be adjusted using the E-Write NFC. View more at Axiomatic.com

Screenshots

AWG Calculator4 screens
E4 screens

Verdict

The call

The clearest difference is price: AWG Calculator at Free against E's $49.99. AWG Calculator also leads on update cadence (every 4 weeks vs every 11 months). E's advantage is in-app purchases (none vs 33) and iOS requirement (15.6 vs 17.6). On ads 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

AWG Calculator is free to download; E costs $49.99 up front. AWG Calculator sells 33 in-app purchases, starting at $4.99 per month. E asks for nothing beyond the download.

UpkeepUpdate frequency

AWG Calculator ships an update every 4 weeks, E every 11 months. The most recent releases landed on September 18, 2026 and August 28, 2026 respectively.

Scorecard4 real differences · 6 level
AWG Calculator versus E: the parameters behind the verdict, then further details
ParameterAWG CalculatorE
PriceFree — better$49.99
Rating4.7 (70 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings70 — better—
Update frequencyEvery 4 weeks — betterEvery 11 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.615.6 — better
Further details — not scored
Size59 MB26 MB
Age rating4+4+
DeveloperMelchisedec Martinez RodriguezAxiomatic Technologies Corporation

In-app purchases

33 purchases

AWG Calculator

Subscriptions2
  • All access 1 Month$4.991 Month
  • All Access 1 Year$39.991 Year
One-time31
  • Bathroom Information$0.99
  • Single Motor Calculation$0.99
  • Get 100 Coins Now!$0.99
Show 28 more
  • Breaker Panel Info$0.99
  • Lighting Install Info$0.99
  • Unblock Informative Annex D$1.99
  • Informative Annex E NEC 2023$1.99
  • Motor Windings and Connections$1.99
  • Optional Method Calculation$1.99
  • Common Electrical Distribution$1.99
  • Ohms Law Calculation$1.99
  • Standard Method Calculation$1.99
  • Breaker Size Calculation$1.99
  • Conduit Size Calculation$1.99
  • NEC Chapter 1$1.99
  • NEC FAQs$1.99
  • Electric Current Calculation$1.99
  • 2023 NEC Informative Annex$1.99
  • 2023 NEC Informative Annex G$1.99
  • Electrical Tables$2.99
  • 2023 NEC Chapter 2$2.99
  • Box Fill Calculation$2.99
  • Electrical Estimate Creator$2.99
  • Wire Checker$3.99
  • Ampacity of conductors$3.99
  • 2023 NEC Chapter 3$4.99
  • Compact Mode for Branch, Fe...$4.99
  • Exterior Install Info$4.99
  • Series Circuit Calculation$7.99
  • Parallel Circuit Calculation$9.99
  • Arc Welder Calculation$12.99
None

E

No in-app purchases

Questions

Is AWG Calculator free?
AWG Calculator is free to download, with in-app purchases available.
Is E free?
E costs $49.99, with no in-app purchases.
Do AWG Calculator or E have ads?
Neither AWG Calculator nor E shows ads.
Which is updated more often, AWG Calculator or E?
AWG Calculator ships an update every 4 weeks, and E every 11 months. Most recently, AWG Calculator was updated on September 18, 2026 and E on August 28, 2026.

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