# AMS Optics vs DevCom

The clearest difference is in-app purchases: AMS Optics at none against DevCom's 1. AMS Optics also leads on iOS requirement (13.0 vs 17.0). DevCom's advantage is update cadence (monthly vs every 4 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. DevCom sells 1 one-off in-app purchase. AMS Optics asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for AMS Optics against 5.0 for DevCom. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

AMS Optics ships an update every 4 months, DevCom monthly. The most recent releases landed on June 1, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | AMS Optics | DevCom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/ams-optics/id1081605344/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/devcom/id1268643813/reviews) |
| Number of ratings | **5** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 78 MB | 60 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Emerson Process Management](https://appshunter.io/developer/561985742) | [ProComSol, Ltd](https://appshunter.io/developer/1268643812) |

## What reviewers say

### 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


### DevCom

[App page](https://appshunter.io/ios/app/devcom/id1268643813)

Configure, monitor, and manage HART devices directly from your iPhone or iPad. This app utilizes registered DD files for complete device access, offering wireless convenience and cost-effective handheld communication.

**Highlights:** Complete HART device configurations, Uses registered DD files, Monitor PV, Multi-variables, and Device Status, View and edit device Variables, Supports HART 5, 6, 7, WirelessHART, and HART-IP, Save configurations as text and PDF, Cloud access for saved configurations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DevCom License Purchase | $949.99 | one-time |


## Frequently asked questions

### Is AMS Optics free?

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

### Is DevCom free?

DevCom is free to download, with in-app purchases available.

### Which has better reviews, AMS Optics or DevCom?

AMS Optics and DevCom are both rated 5.0 out of 5 on the App Store, from 5 and 4 ratings respectively.

### Do AMS Optics or DevCom have ads?

Neither AMS Optics nor DevCom shows ads.

### Which is updated more often, AMS Optics or DevCom?

AMS Optics ships an update every 4 months, and DevCom monthly. Most recently, AMS Optics was updated on June 1, 2026 and DevCom on September 21, 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.*