# Klein Tools Borescope vs Resideo Technician

The clearest difference is rating: Resideo Technician at 4.6 against Klein Tools Borescope's 1.7. Resideo Technician also leads on update cadence (monthly vs every 4 months) and ratings volume (289 vs 70). Klein Tools Borescope's advantage is iOS requirement (12.0 vs 15.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Resideo Technician holds the better App Store score, 4.6 against 1.7. Both are backed by a comparable volume of ratings — 70 and 289 respectively. Written reviews split almost evenly too, at 12% and 13% positive.

Klein Tools Borescope ships an update every 4 months, Resideo Technician monthly. The most recent releases landed on October 21, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Klein Tools Borescope | Resideo Technician |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (70 ratings)](https://appshunter.io/ios/app/klein-tools-borescope/id1437485935/reviews) | **[4.6 (289 ratings)](https://appshunter.io/ios/app/resideo-technician/id1470259201/reviews)** |
| Number of ratings | 70 | **289** |
| Positive reviews | 11.9% of reviews | **12.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | Free |
| Size | 16 MB | 166 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Klein Tools](https://appshunter.io/developer/440692921) | [Resideo Technologies, Inc.](https://appshunter.io/developer/1437524946) |

## What reviewers say

### Klein Tools Borescope

[App page](https://appshunter.io/ios/app/klein-tools-borescope/id1437485935)

This utility app connects to specific devices to provide visual inspection capabilities. It allows users to view live camera feeds and access recorded data from the connected hardware.

**Highlights:** Connects to ET20 devices, Live camera feed viewing, Access recorded data, Visual inspection tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Resideo Technician

[App page](https://appshunter.io/ios/app/resideo-technician/id1470259201)

This app streamlines the installation and configuration of HVAC and security products from specific brands. It allows professionals to securely connect to devices, verify functionality, and manage customer registrations. Additionally, it provides access to technical resources and company installation data.

**Highlights:** Simplify installation and configuration, Securely connect via Bluetooth, Wi-Fi, or QR code, Verify device functionality, Invite customers for registration, Access tech tips and training guides, Browse replacement parts catalog, Track device installations

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

**In-app purchases:** none


## Frequently asked questions

### Is Klein Tools Borescope free?

Klein Tools Borescope is free to download, with no in-app purchases.

### Is Resideo Technician free?

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

### Which has better reviews, Klein Tools Borescope or Resideo Technician?

Resideo Technician is rated higher. Klein Tools Borescope averages 1.7 out of 5 from 70 ratings, while Resideo Technician averages 4.6 from 289 ratings.

### Do Klein Tools Borescope or Resideo Technician have ads?

Neither Klein Tools Borescope nor Resideo Technician shows ads.

### Which is updated more often, Klein Tools Borescope or Resideo Technician?

Klein Tools Borescope ships an update every 4 months, and Resideo Technician monthly. Most recently, Klein Tools Borescope was updated on October 21, 2026 and Resideo Technician on October 26, 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.*