# VSim vs ECG Operation Zero

The clearest difference is rating: VSim at 4.7 against ECG Operation Zero's 4.0. VSim also leads on ratings volume (16K vs 1). ECG Operation Zero's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. VSim sells 6 one-off in-app purchases. ECG Operation Zero asks for nothing beyond the download.

VSim holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: VSim has 16K ratings behind it against 1, so its average is the more settled of the two.

VSim ships an update every 2 months, ECG Operation Zero fortnightly. The most recent releases landed on October 2, 2026 and June 12, 2026 respectively.

## The numbers

| Metric | VSim | ECG Operation Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (16K ratings)](https://appshunter.io/ios/app/vsim-sms-verification-code/id1661720255/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/ecg-operation-zero/id6474657668/reviews) |
| Number of ratings | **16K** | 1 |
| Positive reviews | 84.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 46 MB | 71 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Elmond](https://appshunter.io/developer/1837068464) | [Electricity Company of Ghana Ltd](https://appshunter.io/developer/1398352883) |

## What reviewers say

### VSim

[App page](https://appshunter.io/ios/app/vsim-sms-verification-code/id1661720255)

Get a temporary virtual phone number to receive SMS verification codes without revealing your personal number. Activate accounts quickly and maintain privacy from unwanted spam. All messages are conveniently stored within the app.

**Highlights:** Receive SMS verification codes, Virtual numbers for account activation, In-app message inbox, Privacy protection, Pay-as-you-go credits, Supports popular platforms

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Credit | $0.99 | one-time |
| 30 Credit | $2.99 | one-time |
| 50 Credit | $4.99 | one-time |
| 100 Credit | $9.99 | one-time |
| 250 Credit | $24.99 | one-time |
| 500 credit | $49.99 | one-time |

**What reviewers like**

- 🚀 Fast and efficient
- 👍 User-friendly
- 💡 Innovative features
- 🔒 Secure and reliable
- 🤝 Great customer support

**What reviewers complain about**

- 🐛 Bugs and glitches
- 💰 Expensive pricing
- 📵 Numbers not working as expected
- 🚫 Banned/blocked numbers

**Reported bugs**

- Verification codes not received
- Numbers already in use
- Account bans without explanation

**Requested features**

- Ability to earn free credits
- More number options
- Improved privacy policy
- Better FAQ and community support


### 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 VSim free?

VSim is free to download, with in-app purchases available.

### Is ECG Operation Zero free?

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

### Which has better reviews, VSim or ECG Operation Zero?

VSim is rated higher. VSim averages 4.7 out of 5 from 16K ratings, while ECG Operation Zero averages 4.0 from 1 ratings.

### Do VSim or ECG Operation Zero have ads?

VSim shows ads; ECG Operation Zero does not.

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

VSim ships an update every 2 months, and ECG Operation Zero fortnightly. Most recently, VSim was updated on October 2, 2026 and ECG Operation Zero on June 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*