# Barfield ADTS vs H175 CMS KAR

The clearest difference is update cadence: Barfield ADTS at every 5 months against H175 CMS KAR's every 27 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.

Barfield ADTS ships an update every 5 months, H175 CMS KAR every 27 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Barfield ADTS | H175 CMS KAR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/barfield-adts/id939622373/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 27 months |
| Monetization | Free | — |
| Size | 80 MB | 16 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Barfield Inc](https://appshunter.io/developer/939622372) | [Oxytronic](https://appshunter.io/developer/1115580217) |

## What reviewers say

### Barfield ADTS

[App page](https://appshunter.io/ios/app/barfield-adts/id939622373)

This app transforms your iOS device into a wireless remote for specific aircraft maintenance testing equipment. It offers automatic firmware updates and allows simultaneous viewing of PDF documents.

**Highlights:** Wireless remote control for DPS1000 and 1811NG, Automatic firmware update detection, Split-screen PDF viewing, User-friendly interface, Programmable test routines

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

**In-app purchases:** none


### H175 CMS KAR

[App page](https://appshunter.io/ios/app/h175-cms-kar/id1402500543)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Barfield ADTS free?

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

### Is H175 CMS KAR free?

H175 CMS KAR is free to download, with no in-app purchases.

### Do Barfield ADTS or H175 CMS KAR have ads?

Neither Barfield ADTS nor H175 CMS KAR shows ads.

### Which is updated more often, Barfield ADTS or H175 CMS KAR?

Barfield ADTS ships an update every 5 months, and H175 CMS KAR every 27 months. Most recently, Barfield ADTS was updated on October 24, 2026 and H175 CMS KAR on October 29, 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.*