# ECG Operation Zero vs Universal Security Instruments

The clearest difference is rating: Universal Security Instruments at 5.0 against ECG Operation Zero's 4.0. ECG Operation Zero's advantage is update cadence (fortnightly vs every 2 months) and iOS requirement (12.0 vs 14.0). On price, ratings volume, ads 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.

Universal Security Instruments holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

ECG Operation Zero ships an update fortnightly, Universal Security Instruments every 2 months. The most recent releases landed on June 12, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ECG Operation Zero | Universal Security Instruments |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/ecg-operation-zero/id6474657668/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/universal-security-instruments/id6756246978/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | Free |
| Size | 71 MB | 200 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Electricity Company of Ghana Ltd](https://appshunter.io/developer/1398352883) | [Feit Electric](https://appshunter.io/developer/1022520207) |

## What reviewers say

### 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


### Universal Security Instruments

[App page](https://appshunter.io/ios/app/universal-security-instruments/id6756246978)

Manage and control your smart security and environmental devices remotely. This app offers a central hub for all your connected products, allowing for easy setup, monitoring, and sharing of device access with others.

**Highlights:** Remote device management, Monitor devices globally, Share device access, Simple and secure setup, Centralized hub for USI products

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ECG Operation Zero free?

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

### Is Universal Security Instruments free?

Universal Security Instruments is free to download, with no in-app purchases.

### Which has better reviews, ECG Operation Zero or Universal Security Instruments?

Universal Security Instruments is rated higher. ECG Operation Zero averages 4.0 out of 5 from 1 ratings, while Universal Security Instruments averages 5.0 from 1 ratings.

### Do ECG Operation Zero or Universal Security Instruments have ads?

Neither ECG Operation Zero nor Universal Security Instruments shows ads.

### Which is updated more often, ECG Operation Zero or Universal Security Instruments?

ECG Operation Zero ships an update fortnightly, and Universal Security Instruments every 2 months. Most recently, ECG Operation Zero was updated on June 12, 2026 and Universal Security Instruments on September 30, 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.*