# Klein Tools Borescope vs Belimo Assistant 2

The clearest difference is rating: Belimo Assistant 2 at 3.4 against Klein Tools Borescope's 1.8. Belimo Assistant 2 also leads on update cadence (every 5 weeks vs every 4 months). Klein Tools Borescope's advantage is review sentiment (12% vs 0%) and ratings volume (57 vs 10). 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.

Belimo Assistant 2 holds the better App Store score, 3.4 against 1.8. That said, the two scores are not equally well evidenced: Klein Tools Borescope has 57 ratings behind it against 10, so its average is the more settled of the two. Written reviews complicate that: 12% of Klein Tools Borescope's written reviews are positive against 0% of Belimo Assistant 2's, so the app with the better star average is not the one people write more warmly about.

Klein Tools Borescope ships an update every 4 months, Belimo Assistant 2 every 5 weeks. The most recent releases landed on September 26, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Klein Tools Borescope | Belimo Assistant 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (57 ratings)](https://appshunter.io/ios/app/klein-tools-borescope/id1437485935/reviews) | **[3.4 (10 ratings)](https://appshunter.io/ios/app/belimo-assistant-2/id6475810004/reviews)** |
| Number of ratings | **57** | 10 |
| Positive reviews | **12.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 16 MB | 122 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Klein Tools](https://appshunter.io/developer/440692921) | [BELIMO Automation AG](https://appshunter.io/developer/1149281298) |

## 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


### Belimo Assistant 2

[App page](https://appshunter.io/ios/app/belimo-assistant-2/id6475810004)

This app allows for the setup, operation, and troubleshooting of Belimo devices like actuators and valves using a smartphone or tablet. It offers features for checking parameters, monitoring device status, and generating reports.

**Highlights:** Device parameter modification, Identification data display, MP-Bus, BACnet, Modbus addressing, Guided parameter setup, Configuration copy/paste, Live trending and local override, Device health and operation monitoring, Digital report generation

**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 Belimo Assistant 2 free?

Belimo Assistant 2 is free to download, with no in-app purchases.

### Which has better reviews, Klein Tools Borescope or Belimo Assistant 2?

Belimo Assistant 2 is rated higher. Klein Tools Borescope averages 1.8 out of 5 from 57 ratings, while Belimo Assistant 2 averages 3.4 from 10 ratings.

### Do Klein Tools Borescope or Belimo Assistant 2 have ads?

Neither Klein Tools Borescope nor Belimo Assistant 2 shows ads.

### Which is updated more often, Klein Tools Borescope or Belimo Assistant 2?

Klein Tools Borescope ships an update every 4 months, and Belimo Assistant 2 every 5 weeks. Most recently, Klein Tools Borescope was updated on September 26, 2026 and Belimo Assistant 2 on September 16, 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.*