# Endress+Hauser Operations vs AMS Optics

The clearest difference is rating: AMS Optics at 5.0 against Endress+Hauser Operations's 3.4. AMS Optics also leads on review sentiment (100% vs 62%) and iOS requirement (13.0 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.

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

AMS Optics holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 5 and 5 respectively. Written reviews point the same way: 62% of Endress+Hauser Operations's written reviews are positive against 100% of AMS Optics's.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 18, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Endress+Hauser Operations | AMS Optics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (5 ratings)](https://appshunter.io/ios/app/endress-plus-hauser-operations/id556777232/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ams-optics/id1081605344/reviews)** |
| Number of ratings | 5 | 5 |
| Positive reviews | 61.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | Free |
| Size | 37 MB | 78 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Endress and Hauser Instruments International AG](https://appshunter.io/developer/513969520) | [Emerson Process Management](https://appshunter.io/developer/561985742) |

## What reviewers say

### Endress+Hauser Operations

[App page](https://appshunter.io/ios/app/endress-plus-hauser-operations/id556777232)

Access comprehensive information about your installed Endress+Hauser instruments on the go. Quickly download specific documentation, view product details like order codes and availability, and find spare parts or successor products by scanning a device's data matrix code or entering its serial number.

**Highlights:** Mobile instrument information access, Download specific documentation, View product details, Check order codes and availability, Find spare parts and successors, Scan data matrix code, Enter serial number

**Features:** macOS Compatibility

**In-app purchases:** none


### AMS Optics

[App page](https://appshunter.io/ios/app/ams-optics/id1081605344)

Monitor facility asset health remotely with real-time notifications, analysis tools, and communication features. Track CMMS requests, view historical data, and access documents for informed decision-making.

**Highlights:** Real-time asset health notifications, Diagnostic and prognostic analysis tools, Modern communication for decision making, CMMS request creation and tracking, Historical trending of health data, QR code asset identification

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Endress+Hauser Operations free?

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

### Is AMS Optics free?

AMS Optics is free to download, with no in-app purchases.

### Which has better reviews, Endress+Hauser Operations or AMS Optics?

AMS Optics is rated higher. Endress+Hauser Operations averages 3.4 out of 5 from 5 ratings, while AMS Optics averages 5.0 from 5 ratings.

### Do Endress+Hauser Operations or AMS Optics have ads?

Neither Endress+Hauser Operations nor AMS Optics shows ads.

### Which is updated more often, Endress+Hauser Operations or AMS Optics?

Endress+Hauser Operations ships an update every 4 months, and AMS Optics every 4 months. Most recently, Endress+Hauser Operations was updated on September 18, 2026 and AMS Optics on June 1, 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.*