# Essency Pro vs SMART GC2

The clearest difference is update cadence: SMART GC2 at fortnightly against Essency Pro's every 8 months. Essency Pro's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Essency Pro ships an update every 8 months, SMART GC2 fortnightly. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Essency Pro | SMART GC2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/essency-pro/id6447844312/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 48 MB | 448 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FRANCE REDUCTEURS SA](https://appshunter.io/developer/1550272241) | [Jason Busolt](https://appshunter.io/developer/1706830199) |

## What reviewers say

### Essency Pro

[App page](https://appshunter.io/ios/app/essency-pro/id6447844312)

This app serves as a comprehensive digital toolbox for installers of on-demand tank water heaters. It allows users to manage the installation and connection of new units, providing direct access to all necessary instructions and information from their mobile device.

**Highlights:** Install new water heaters, Connect water heaters, Access installation instructions, Direct information access, Digital toolbox

**In-app purchases:** none


### SMART GC2

[App page](https://appshunter.io/ios/app/smart-gc2/id6465992860)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Essency Pro free?

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

### Is SMART GC2 free?

SMART GC2 is free to download, with no in-app purchases.

### Do Essency Pro or SMART GC2 have ads?

Neither Essency Pro nor SMART GC2 shows ads.

### Which is updated more often, Essency Pro or SMART GC2?

Essency Pro ships an update every 8 months, and SMART GC2 fortnightly. Most recently, Essency Pro was updated on October 6, 2026 and SMART GC2 on October 4, 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.*