# VSWR Convert + vs NEC Load Calculator

The clearest difference is price: NEC Load Calculator at Free against VSWR Convert +'s $0.29. VSWR Convert +'s advantage is in-app purchases (none vs 1) and update cadence (every 8 days vs every 3 weeks). On ads, device support and iOS requirement there is nothing between them.

NEC Load Calculator is free to download; VSWR Convert + costs $0.29 up front. NEC Load Calculator sells 1 one-off in-app purchase. VSWR Convert + asks for nothing beyond the download.

VSWR Convert + ships an update every 8 days, NEC Load Calculator every 3 weeks. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | VSWR Convert + | NEC Load Calculator |
| --- | --- | --- |
| Price | $0.29 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/nec-load-calculator/id6785889421/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 1 MB | 12 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jeff Curtis](https://appshunter.io/developer/358219019) | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) |

## What reviewers say

### VSWR Convert +

[App page](https://appshunter.io/ios/app/vswr-convert-plus/id6445927210)

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

**In-app purchases:** none


### NEC Load Calculator

[App page](https://appshunter.io/ios/app/nec-load-calculator/id6785889421)

This app performs electrical load calculations based on the NEC 2023 code. It offers modules for residential, commercial, motor, and branch circuit calculations, along with panel scheduling and PDF export. Designed for licensed electricians and contractors.

**Highlights:** NEC 2023 load calculations, Residential, commercial, motor, branch circuit modules, Panel schedule editor, Step-by-step calculation results, Panel layout generation, PDF export

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NEC LOAD PRO | $7.99 | one-time |


## Frequently asked questions

### Is VSWR Convert + free?

VSWR Convert + costs $0.29, with no in-app purchases.

### Is NEC Load Calculator free?

NEC Load Calculator is free to download, with in-app purchases available.

### Do VSWR Convert + or NEC Load Calculator have ads?

Neither VSWR Convert + nor NEC Load Calculator shows ads.

### Which is updated more often, VSWR Convert + or NEC Load Calculator?

VSWR Convert + ships an update every 8 days, and NEC Load Calculator every 3 weeks. Most recently, VSWR Convert + was updated on October 25, 2026 and NEC Load Calculator on October 19, 2026.

---

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