# Voltsec vs EV Load Calc

The clearest difference is in-app purchases: Voltsec at none against EV Load Calc's 1. Voltsec also leads on ads (none vs shown) and iOS requirement (12.2 vs 16.0). On price, update cadence and device support there is nothing between them.

Both are free to download. EV Load Calc sells 1 one-off in-app purchase. Voltsec asks for nothing beyond the download.

Voltsec ships an update every 2 weeks, EV Load Calc every 3 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Voltsec | EV Load Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 64 MB | 4 MB |
| Requires iOS | **12.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Retinasoft Security, LLC](https://appshunter.io/developer/1506080230) | [Ali3N Studios LLC](https://appshunter.io/developer/1881815512) |

## What reviewers say

### Voltsec

[App page](https://appshunter.io/ios/app/voltsec/id1506080231)

**Features:** macOS Compatibility

**In-app purchases:** none


### EV Load Calc

[App page](https://appshunter.io/ios/app/ev-load-calc-nec-compliant/id6760872693)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EV Load Calc Pro | $4.99 | one-time |


## Frequently asked questions

### Is Voltsec free?

Voltsec is free to download, with no in-app purchases.

### Is EV Load Calc free?

EV Load Calc is free to download, with in-app purchases available.

### Do Voltsec or EV Load Calc have ads?

EV Load Calc shows ads; Voltsec does not.

### Which is updated more often, Voltsec or EV Load Calc?

Voltsec ships an update every 2 weeks, and EV Load Calc every 3 weeks. Most recently, Voltsec was updated on October 27, 2026 and EV Load Calc on October 24, 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.*