# TraffiTech Service vs Shacman

The clearest difference is update cadence: TraffiTech Service at every 3 weeks against Shacman's every 4 months. Shacman's advantage is iOS requirement (11.0 vs 15.5.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TraffiTech Service ships an update every 3 weeks, Shacman every 4 months. The most recent releases landed on July 6, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | TraffiTech Service | Shacman |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 87 MB | 26 MB |
| Requires iOS | 15.5.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Traffitech ApS](https://appshunter.io/developer/1068146964) | [QUESTAR AUTO TECHNOLOGIES LTD](https://appshunter.io/developer/916723518) |

## What reviewers say

### TraffiTech Service

[App page](https://appshunter.io/ios/app/traffitech-service/id6450419551)

**Features:** macOS Compatibility

**In-app purchases:** none


### Shacman

[App page](https://appshunter.io/ios/app/shacman/id6499084054)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TraffiTech Service free?

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

### Is Shacman free?

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

### Do TraffiTech Service or Shacman have ads?

Neither TraffiTech Service nor Shacman shows ads.

### Which is updated more often, TraffiTech Service or Shacman?

TraffiTech Service ships an update every 3 weeks, and Shacman every 4 months. Most recently, TraffiTech Service was updated on July 6, 2026 and Shacman on September 10, 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.*