# E vs Deck Calculator Pro

The clearest difference is price: Deck Calculator Pro at Free against E's $14.99. Deck Calculator Pro also leads on iOS requirement (17.0 vs 26.0). E's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

Deck Calculator Pro is free to download; E costs $14.99 up front. Deck Calculator Pro sells 2 in-app purchases, starting at $1.99 per month. E asks for nothing beyond the download.

## The numbers

| Metric | E | Deck Calculator Pro |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/e-calc-usa/id6502258186/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Monetization | Paid | — |
| Size | 52 MB | 1 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Snappy Appz Inc.](https://appshunter.io/developer/375591377) | [RYAN KIM](https://appshunter.io/developer/1868562880) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-calc-usa/id6502258186)

This app provides electricians and engineers with instant, code-compliant calculations for wire sizing, conduit capacities, fusing, and bonding based on the 2026 National Electrical Code. It offers advanced tools for motors, transformers, voltage drop, and box fill, along with on-site utilities like panel legends and torque settings.

**Highlights:** NEC 2026 compliant calculations, Wire sizing and ampacity, Conduit fill and expansion, Motor and transformer calculations, Voltage drop and box fill, Panel legends and torque settings, Integrated unit converter and Ohm's Law

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Deck Calculator Pro

[App page](https://appshunter.io/ios/app/deck-calculator-pro/id6758253418)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is E free?

E costs $14.99, with no in-app purchases.

### Is Deck Calculator Pro free?

Deck Calculator Pro is free to download, with in-app purchases available.

### Do E or Deck Calculator Pro have ads?

Neither E nor Deck Calculator Pro shows ads.

---

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