# Inverter vs EV Charging Calculator

The clearest difference is price: Inverter at Free against EV Charging Calculator's $0.99. Inverter also leads on update cadence (every 10 days vs every 8 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Inverter is free to download; EV Charging Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Inverter ships an update every 10 days, EV Charging Calculator every 8 months. The most recent releases landed on October 13, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Inverter | EV Charging Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | 92.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 8 months |
| Monetization | Free | — |
| Size | 24 MB | 1 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Richard Russell](https://appshunter.io/developer/1651141744) | [Christopher Denial](https://appshunter.io/developer/1610893548) |

## What reviewers say

### Inverter

[App page](https://appshunter.io/ios/app/inverter/id6443976497)

Monitor and manage your GivEnergy inverter(s) with this straightforward application. It allows for independent control of up to three connected inverters. Resetting IP addresses is easily managed through the iOS Files app.

**Highlights:** Monitor inverter status, Control inverter settings, Connect up to three inverters, Independent inverter management, IP address reset via Files app

**Features:** Vision Pro support

**In-app purchases:** none


### EV Charging Calculator

[App page](https://appshunter.io/ios/app/ev-charging-calculator/id6450485830)

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

**In-app purchases:** none


## Frequently asked questions

### Is Inverter free?

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

### Is EV Charging Calculator free?

EV Charging Calculator costs $0.99, with no in-app purchases.

### Do Inverter or EV Charging Calculator have ads?

Neither Inverter nor EV Charging Calculator shows ads.

### Which is updated more often, Inverter or EV Charging Calculator?

Inverter ships an update every 10 days, and EV Charging Calculator every 8 months. Most recently, Inverter was updated on October 13, 2026 and EV Charging Calculator on October 27, 2026.

---

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