Comparison

TerraConfig(legacy) vs Voltrelli

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

TerraConfig(legacy)

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
Read full description

TerraConfig is a practical and efficient app for qualified electricians or engineers to commission, configure and maintain the ABB Terra AC wall box. The app is exclusively designed for ABB Terra AC wall box. It provides the wall box with an extended set of digital features and is required to safely configure the charger. To use the TerraConfig app a dedicated account is needed. If you don’t have an account yet, reach out to your local ABB representative to have them setup an account for you. Main features include: Configuration: Commission and configure a Terra AC wall box via Bluetooth. You can configure a network gateway (WiFi, LAN and 4G on selected models) to connect the charger to the internet. Safety: To create a safe and reliable charging experience for the user of the charger, use TerraConfig to adjust its maximum charging power, load balance thresholds and other electrical features to match the upstream installation and to comply with local regulations. Synchronize: Sync and upload the configuration of the Terra AC wall box to the ABB backend. Firmware Update: TerraConfig makes updating the firmware of the Terra AC wall box simple and fast. Download the firmware update once and upload it to multiple Terra AC wall boxes if needed. Terra AC is ABB latest wall box for AC charging electric vehicles with up to 22kW. The wall box comes with extended networking and connectivity features as standard and is accompanied by two smartphone applications and web portals. ChargerSync for Terra AC owners, users and operators and TerraConfig for installers and commissioning engineers.

About

Voltrelli

Features
Read full description

By scanning the QR code on the station, you can start charging in just a few steps. You can view charging statistics, charging history, a map of Romania with all stations across the country, and much more.

Screenshots

TerraConfig(legacy)4 screens
Voltrelli4 screens

Verdict

The call

The clearest difference is update cadence: Voltrelli at every 10 days against TerraConfig(legacy)'s every 4 months. TerraConfig(legacy)'s advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

TerraConfig(legacy) ships an update every 4 months, Voltrelli every 10 days. Both last shipped on November 3, 2026.

Scorecard2 real differences · 8 level
TerraConfig(legacy) versus Voltrelli: the parameters behind the verdict, then further details
ParameterTerraConfig(legacy)Voltrelli
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 4 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size32 MB87 MB
Age rating4+4+
DeveloperChargedot Shanghai New Energy Technology Co., LtdSmart Business & Technologies Solutions SRL

In-app purchases

None

TerraConfig(legacy)

No in-app purchases

None

Voltrelli

No in-app purchases

Questions

Is TerraConfig(legacy) free?
TerraConfig(legacy) is free to download, with no in-app purchases.
Is Voltrelli free?
Voltrelli is free to download, with no in-app purchases.
Do TerraConfig(legacy) or Voltrelli have ads?
Neither TerraConfig(legacy) nor Voltrelli shows ads.
Which is updated more often, TerraConfig(legacy) or Voltrelli?
TerraConfig(legacy) ships an update every 4 months, and Voltrelli every 10 days. Most recently, TerraConfig(legacy) was updated on November 3, 2026 and Voltrelli on November 3, 2026.

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