# TerraConfig(legacy) vs Wallbox Installation App

The clearest difference is update cadence: Wallbox Installation App at every 2 months against TerraConfig(legacy)'s every 4 months. TerraConfig(legacy)'s advantage is iOS requirement (12.0 vs 15.6). 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.

TerraConfig(legacy) ships an update every 4 months, Wallbox Installation App every 2 months. The most recent releases landed on June 3, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | TerraConfig(legacy) | Wallbox Installation App |
| --- | --- | --- |
| 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 | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 32 MB | 44 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ABB Chargedot Shanghai New Energy Technology Co., Ltd](https://appshunter.io/developer/1043403460) | [Delta Electronics, Inc.](https://appshunter.io/developer/386896582) |

## 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


### Wallbox Installation App

[App page](https://appshunter.io/ios/app/wallbox-installation-app/id6451011802)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TerraConfig(legacy) free?

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

### Is Wallbox Installation App free?

Wallbox Installation App is free to download, with no in-app purchases.

### Do TerraConfig(legacy) or Wallbox Installation App have ads?

Neither TerraConfig(legacy) nor Wallbox Installation App shows ads.

### Which is updated more often, TerraConfig(legacy) or Wallbox Installation App?

TerraConfig(legacy) ships an update every 4 months, and Wallbox Installation App every 2 months. Most recently, TerraConfig(legacy) was updated on June 3, 2026 and Wallbox Installation App on September 15, 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.*