# TPC vs GreatFireVPN

The clearest difference is rating: TPC at 5.0 against GreatFireVPN's 4.3. TPC also leads on in-app purchases (none vs 4). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. GreatFireVPN sells 4 one-off in-app purchases. TPC asks for nothing beyond the download.

TPC holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 6 respectively.

TPC ships an update every 3 weeks, GreatFireVPN every 5 weeks. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TPC | GreatFireVPN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/tpc-app/id515660651/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/greatfirevpn-secure-vpn/id6761056824/reviews) |
| Number of ratings | 4 | **6** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 268 MB | 69 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 17+ |
| Developer | [BabEng GmbH](https://appshunter.io/developer/515660654) | [Benjamin Erhart](https://appshunter.io/developer/1347948699) |

## What reviewers say

### TPC

[App page](https://appshunter.io/ios/app/tpc-app/id515660651)

This application provides real-time monitoring and optimization for mechanized tunnelling processes. It offers extensive resources and options for detailed analysis, including key performance indicators and failure messages.

**Highlights:** Realtime Key Performance Indicators, Realtime TBM Failure Messages, Statistics, Geotechnical Measurements, GIS, Segment Tracker

**Features:** Vision Pro support

**In-app purchases:** none


### GreatFireVPN

[App page](https://appshunter.io/ios/app/greatfirevpn-secure-vpn/id6761056824)

Access the internet freely and securely with a one-click connection. This VPN service prioritizes your anonymity by not requiring registration or keeping logs of your activity. Enjoy a free trial with no data restrictions.

**Highlights:** Free internet access, Secure connection, Anonymous browsing, No registration required, One-click connect, Free trial

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30 Days | $4.99 | one-time |
| 90 Days | $14.99 | one-time |
| 180 Days | $24.99 | one-time |
| 365 Days | $39.99 | one-time |


## Frequently asked questions

### Is TPC free?

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

### Is GreatFireVPN free?

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

### Which has better reviews, TPC or GreatFireVPN?

TPC is rated higher. TPC averages 5.0 out of 5 from 4 ratings, while GreatFireVPN averages 4.3 from 6 ratings.

### Do TPC or GreatFireVPN have ads?

Neither TPC nor GreatFireVPN shows ads.

### Which is updated more often, TPC or GreatFireVPN?

TPC ships an update every 3 weeks, and GreatFireVPN every 5 weeks. Most recently, TPC was updated on October 13, 2026 and GreatFireVPN on October 24, 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.*