# TPC vs DNS Optimizer

The clearest difference is in-app purchases: TPC at none against DNS Optimizer's 2. TPC also leads on iOS requirement (15.0 vs 17.0). DNS Optimizer's advantage is update cadence (every 11 days vs every 3 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. DNS Optimizer sells 2 one-off in-app purchases. TPC asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for TPC against 5.0 for DNS Optimizer. Both are backed by a comparable volume of ratings — 4 and 7 respectively.

TPC ships an update every 3 weeks, DNS Optimizer every 11 days. The most recent releases landed on September 27, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | TPC | DNS Optimizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/tpc-app/id515660651/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/dns-optimizer-server-changer/id6741016224/reviews) |
| Number of ratings | 4 | **7** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 268 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [BabEng GmbH](https://appshunter.io/developer/515660654) | [ATAKAN YILDIRIM](https://appshunter.io/developer/1792591490) |

## 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


### DNS Optimizer

[App page](https://appshunter.io/ios/app/dns-optimizer-server-changer/id6741016224)

Optimize your internet connection by easily switching DNS servers. Benchmark performance, block unwanted content, and enhance online gaming with secure and private browsing. Supports Wi-Fi and cellular networks on iPhone, iPad, and Mac.

**Highlights:** Switch system-wide DNS configurations, Benchmark DNS server performance, Pre-configured trusted DNS servers, Add custom encrypted DNS servers (DoH/DoT), Block ads and unwanted content, Improve online gaming latency

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DNS Optimizer Pro | $9.99 | one-time |
| DNS Optimizer Pro | $19.99 | one-time |


## Frequently asked questions

### Is TPC free?

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

### Is DNS Optimizer free?

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

### Which has better reviews, TPC or DNS Optimizer?

TPC and DNS Optimizer are both rated 5.0 out of 5 on the App Store, from 4 and 7 ratings respectively.

### Do TPC or DNS Optimizer have ads?

Neither TPC nor DNS Optimizer shows ads.

### Which is updated more often, TPC or DNS Optimizer?

TPC ships an update every 3 weeks, and DNS Optimizer every 11 days. Most recently, TPC was updated on September 27, 2026 and DNS Optimizer 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.*