# AWG Calculator vs E

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.

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.

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.

## The numbers

| Metric | AWG Calculator | E |
| --- | --- | --- |
| Price | **Free** | $49.99 |
| Rating | **[4.7 (70 ratings)](https://appshunter.io/ios/app/awg-calculator-wire-size/id1607173204/reviews)** | — |
| Number of ratings | **70** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 11 months |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 26 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Melchisedec Martinez Rodriguez](https://appshunter.io/developer/1534398511) | [Axiomatic Technologies Corporation](https://appshunter.io/developer/1719190927) |

## What reviewers say

### AWG Calculator

[App page](https://appshunter.io/ios/app/awg-calculator-wire-size/id1607173204)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (33)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All access 1 Month | $4.99 | per month |
| All Access 1 Year | $39.99 | per year |
| Bathroom Information | $0.99 | one-time |
| Single Motor Calculation | $0.99 | one-time |
| Get 100 Coins Now! | $0.99 | one-time |
| Breaker Panel Info | $0.99 | one-time |
| Lighting Install Info | $0.99 | one-time |
| Unblock Informative Annex D | $1.99 | one-time |
| Informative Annex E NEC 2023 | $1.99 | one-time |
| Motor Windings and Connections | $1.99 | one-time |
| Optional Method Calculation | $1.99 | one-time |
| Common Electrical Distribution | $1.99 | one-time |
| Ohms Law Calculation | $1.99 | one-time |
| Standard Method Calculation | $1.99 | one-time |
| Breaker Size Calculation | $1.99 | one-time |
| Conduit Size Calculation | $1.99 | one-time |
| NEC Chapter 1 | $1.99 | one-time |
| NEC FAQs | $1.99 | one-time |
| Electric Current Calculation | $1.99 | one-time |
| 2023 NEC Informative Annex | $1.99 | one-time |
| 2023 NEC Informative Annex G | $1.99 | one-time |
| Electrical Tables | $2.99 | one-time |
| 2023 NEC Chapter 2 | $2.99 | one-time |
| Box Fill Calculation | $2.99 | one-time |
| Electrical Estimate Creator | $2.99 | one-time |
| Wire Checker | $3.99 | one-time |
| Ampacity of conductors | $3.99 | one-time |
| 2023 NEC Chapter 3 | $4.99 | one-time |
| Compact Mode for Branch, Fe... | $4.99 | one-time |
| Exterior Install Info | $4.99 | one-time |
| Series Circuit Calculation | $7.99 | one-time |
| Parallel Circuit Calculation | $9.99 | one-time |
| Arc Welder Calculation | $12.99 | one-time |


### E

[App page](https://appshunter.io/ios/app/e-write-nfc/id6473560354)

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*