# Data Cellular Counter vs Sigma VPN

The clearest difference is review sentiment: Sigma VPN at 67% against Data Cellular Counter's 18%. Sigma VPN also leads on rating (3.6 vs 2.3) and ads (none vs shown). On price, ratings volume, update cadence 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.

Sigma VPN holds the better App Store score, 3.6 against 2.3. Both are backed by a comparable volume of ratings — 6 and 14 respectively. Written reviews point the same way: 18% of Data Cellular Counter's written reviews are positive against 67% of Sigma VPN's.

Data Cellular Counter ships an update every 6 months, Sigma VPN every 3 months. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Data Cellular Counter | Sigma VPN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (6 ratings)](https://appshunter.io/ios/app/data-cellular-counter/id706830921/reviews) | **[3.6 (14 ratings)](https://appshunter.io/ios/app/sigma-vpn/id1524035161/reviews)** |
| Number of ratings | 6 | **14** |
| Positive reviews | 18.2% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Ad-supported | **Free** |
| Size | 7 MB | 37 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Emanuele Floris](https://appshunter.io/developer/597490842) | [Sigma Telecom LLC](https://appshunter.io/developer/1235040796) |

## What reviewers say

### Data Cellular Counter

[App page](https://appshunter.io/ios/app/data-cellular-counter/id706830921)

Monitor your mobile data usage in real-time to avoid exceeding limits. This app provides accurate readings for 3G/LTE and WiFi, offering personalized settings for worry-free mobile use. It works independently of your service provider.

**Highlights:** Real-time data usage tracking, 3G/LTE and WiFi monitoring, Personalized settings, Independent of service provider, Accurate data readings

**Features:** Vision Pro support

**In-app purchases:** none


### Sigma VPN

[App page](https://appshunter.io/ios/app/sigma-vpn/id1524035161)

Browse the internet securely and privately with this application. It encrypts your internet traffic and routes it through a secure virtual network to protect your online data. The app features a user-friendly interface and supports multiple devices simultaneously.

**Highlights:** Secure internet browsing, Private online data protection, Encrypted internet traffic, User-friendly interface, Multi-device support

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

**In-app purchases:** none


## Frequently asked questions

### Is Data Cellular Counter free?

Data Cellular Counter is free to download, with no in-app purchases.

### Is Sigma VPN free?

Sigma VPN is free to download, with no in-app purchases.

### Which has better reviews, Data Cellular Counter or Sigma VPN?

Sigma VPN is rated higher. Data Cellular Counter averages 2.3 out of 5 from 6 ratings, while Sigma VPN averages 3.6 from 14 ratings.

### Do Data Cellular Counter or Sigma VPN have ads?

Data Cellular Counter shows ads; Sigma VPN does not.

### Which is updated more often, Data Cellular Counter or Sigma VPN?

Data Cellular Counter ships an update every 6 months, and Sigma VPN every 3 months. Most recently, Data Cellular Counter was updated on October 10, 2026 and Sigma VPN on October 3, 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.*