# RC Mobile Technician vs Koch Air

The clearest difference is rating: Koch Air at 4.5 against RC Mobile Technician's 3.0. Koch Air also leads on update cadence (every 2 days vs fortnightly) and ratings volume (6 vs 2). RC Mobile Technician's advantage is review sentiment (16% vs 0%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Koch Air holds the better App Store score, 4.5 against 3.0. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews complicate that: 16% of RC Mobile Technician's written reviews are positive against 0% of Koch Air's, so the app with the better star average is not the one people write more warmly about.

RC Mobile Technician ships an update fortnightly, Koch Air every 2 days. The most recent releases landed on October 1, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | RC Mobile Technician | Koch Air |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/rc-mobile-technician/id757204903/reviews) | **[4.5 (6 ratings)](https://appshunter.io/ios/app/koch-air/id1490623748/reviews)** |
| Number of ratings | 2 | **6** |
| Positive reviews | **16.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free | Free |
| Size | 175 MB | 5 MB |
| Requires iOS | 15.1 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carrier Corporation](https://appshunter.io/developer/542004889) | [Koch Air LLC](https://appshunter.io/developer/1490623747) |

## What reviewers say

### RC Mobile Technician

[App page](https://appshunter.io/ios/app/rc-mobile-technician/id757204903)

This app helps HVAC/R technicians quickly identify and locate necessary parts for repairs. It offers tools for calculating system capacity, registering equipment, and accessing technical literature and training resources. The app also features a GPS locator for parts centers and an AI assistant for troubleshooting.

**Highlights:** AI Assistant for troubleshooting, System capacity calculator, Product registration, Intelligent equipment search, Parts identification, Technical literature access, Warranty and service history lookup, Nearest parts center locator

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

**In-app purchases:** none


### Koch Air

[App page](https://appshunter.io/ios/app/koch-air/id1490623748)

This business app provides a mobile e-commerce platform for customers to easily access detailed catalog information, search for parts, and check warranty status. It's designed for efficient lookup of parts, supplies, and equipment sold by the company.

**Highlights:** Parts lookup, Warranty information search, Critical parts list, Detailed catalog display, Mobile e-commerce

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RC Mobile Technician free?

RC Mobile Technician is free to download, with no in-app purchases.

### Is Koch Air free?

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

### Which has better reviews, RC Mobile Technician or Koch Air?

Koch Air is rated higher. RC Mobile Technician averages 3.0 out of 5 from 2 ratings, while Koch Air averages 4.5 from 6 ratings.

### Do RC Mobile Technician or Koch Air have ads?

Neither RC Mobile Technician nor Koch Air shows ads.

### Which is updated more often, RC Mobile Technician or Koch Air?

RC Mobile Technician ships an update fortnightly, and Koch Air every 2 days. Most recently, RC Mobile Technician was updated on October 1, 2026 and Koch Air on October 15, 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.*