# Troober Technicians vs HD

The clearest difference is update cadence: Troober Technicians at every 2 months against HD's every 6 months. 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.

Troober Technicians ships an update every 2 months, HD every 6 months. The most recent releases landed on September 10, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Troober Technicians | HD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 84 MB | 31 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Trustee for tccl](https://appshunter.io/developer/1452490964) | [Dorin Stratan](https://appshunter.io/developer/1649755492) |

## What reviewers say

### Troober Technicians

[App page](https://appshunter.io/ios/app/troober-technicians/id1452493311)

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

**In-app purchases:** none


### HD

[App page](https://appshunter.io/ios/app/hd-pro/id6450000772)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Troober Technicians free?

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

### Is HD free?

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

### Do Troober Technicians or HD have ads?

Neither Troober Technicians nor HD shows ads.

### Which is updated more often, Troober Technicians or HD?

Troober Technicians ships an update every 2 months, and HD every 6 months. Most recently, Troober Technicians was updated on September 10, 2026 and HD on September 8, 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.*