# Endress+Hauser SmartBlue vs Maestro Tech Tool

The clearest difference is update cadence: Endress+Hauser SmartBlue at every 2 months against Maestro Tech Tool's every 5 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.

Endress+Hauser SmartBlue ships an update every 2 months, Maestro Tech Tool every 5 months. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Endress+Hauser SmartBlue | Maestro Tech Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (9 ratings)](https://appshunter.io/ios/app/endress-plus-hauser-smartblue/id1092646176/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | — |
| Size | 196 MB | 43 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Endress+Hauser Instruments International AG](https://appshunter.io/developer/513969520) | [Arad Technologies Ltd](https://appshunter.io/developer/809707896) |

## What reviewers say

### Endress+Hauser SmartBlue

[App page](https://appshunter.io/ios/app/endress-plus-hauser-smartblue/id1092646176)

Configure Endress+Hauser field devices wirelessly via Bluetooth. Access diagnostics and process information remotely, saving time and ensuring safety in hazardous areas. Secure data transmission is verified by the Fraunhofer Institute.

**Highlights:** Wireless field device configuration, Bluetooth connectivity, Remote diagnostics access, Process information retrieval, Secure data transmission, Support for numerous Endress+Hauser devices

**Features:** Vision Pro support

**In-app purchases:** none


### Maestro Tech Tool

[App page](https://appshunter.io/ios/app/maestro-tech-tool/id6746443399)

**In-app purchases:** none


## Frequently asked questions

### Is Endress+Hauser SmartBlue free?

Endress+Hauser SmartBlue is free to download, with no in-app purchases.

### Is Maestro Tech Tool free?

Maestro Tech Tool is free to download, with no in-app purchases.

### Do Endress+Hauser SmartBlue or Maestro Tech Tool have ads?

Neither Endress+Hauser SmartBlue nor Maestro Tech Tool shows ads.

### Which is updated more often, Endress+Hauser SmartBlue or Maestro Tech Tool?

Endress+Hauser SmartBlue ships an update every 2 months, and Maestro Tech Tool every 5 months. Most recently, Endress+Hauser SmartBlue was updated on November 6, 2026 and Maestro Tech Tool on November 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.*