# TerraConfig(legacy) vs HHEV

The clearest difference is device support: TerraConfig(legacy) at 2 against HHEV's —. HHEV's advantage is iOS requirement (9.0 vs 12.0). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | TerraConfig(legacy) | HHEV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/terraconfiglegacy/id1509847240/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 32 MB | 53 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Chargedot Shanghai New Energy Technology Co., Ltd](https://appshunter.io/developer/1043403460) | [ZhuHai Sino Energy Technology Co.,Ltd](https://appshunter.io/developer/1712259427) |

## What reviewers say

### TerraConfig(legacy)

[App page](https://appshunter.io/ios/app/terraconfiglegacy/id1509847240)

This tool allows qualified electricians and engineers to commission, configure, and maintain ABB Terra AC wall boxes. It provides essential digital features for safe charger setup and management, including network configuration and firmware updates.

**Highlights:** Commission and configure wall boxes via Bluetooth, Configure network gateways (WiFi, LAN, 4G), Adjust charging power and load balance, Sync configurations to ABB backend, Update wall box firmware

**In-app purchases:** none


### HHEV

[App page](https://appshunter.io/ios/app/hhev/id6469591255)

**In-app purchases:** none


## Frequently asked questions

### Is TerraConfig(legacy) free?

TerraConfig(legacy) is free to download, with no in-app purchases.

### Is HHEV free?

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

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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.*