# Prepaid Meters vs ECG Operation Zero

The clearest difference is update cadence: ECG Operation Zero at fortnightly against Prepaid Meters's every 6 months. Prepaid Meters's advantage is iOS requirement (7.0 vs 12.0). 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.

Prepaid Meters ships an update every 6 months, ECG Operation Zero fortnightly. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Prepaid Meters | ECG Operation Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/ecg-operation-zero/id6474657668/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 23 MB | 71 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Appsme Ltd](https://appshunter.io/developer/354143781) | [Electricity Company of Ghana Ltd.](https://appshunter.io/developer/1398352883) |

## What reviewers say

### Prepaid Meters

[App page](https://appshunter.io/ios/app/prepaid-meters/id1214850825)

**Features:** macOS Compatibility

**In-app purchases:** none


### ECG Operation Zero

[App page](https://appshunter.io/ios/app/ecg-operation-zero/id6474657668)

This app empowers electricity company staff to combat revenue losses caused by illegal electricity consumption. It provides the necessary information and processes to address issues like illegal connections and meter tampering, contributing to a more stable power supply.

**Highlights:** Combat revenue losses, Address illegal consumption, Tackle meter tampering, Improve power stability, Equip field staff, Fight nationwide power cuts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Prepaid Meters free?

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

### Is ECG Operation Zero free?

ECG Operation Zero is free to download, with no in-app purchases.

### Do Prepaid Meters or ECG Operation Zero have ads?

Neither Prepaid Meters nor ECG Operation Zero shows ads.

### Which is updated more often, Prepaid Meters or ECG Operation Zero?

Prepaid Meters ships an update every 6 months, and ECG Operation Zero fortnightly. Most recently, Prepaid Meters was updated on November 2, 2026 and ECG Operation Zero on November 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.*