# DevCom vs Prometheus Mobile PM

The clearest difference is rating: DevCom at 5.0 against Prometheus Mobile PM's 4.0. DevCom also leads on update cadence (monthly vs every 3 months). Prometheus Mobile PM's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 17.0). On price, ratings volume, ads and device support there is nothing between them.

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

DevCom holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 4 respectively.

DevCom ships an update monthly, Prometheus Mobile PM every 3 months. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | DevCom | Prometheus Mobile PM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/devcom/id1268643813/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/prometheus-mobile-pm/id1625127040/reviews) |
| Number of ratings | 4 | 4 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 60 MB | 12 MB |
| Requires iOS | 17.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ProComSol, Ltd](https://appshunter.io/developer/1268643812) | [PROMETHEUS GROUP, INC.](https://appshunter.io/developer/1554172551) |

## What reviewers say

### 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 |


### Prometheus Mobile PM

[App page](https://appshunter.io/ios/app/prometheus-mobile-pm/id1625127040)

This app provides a user-friendly interface for managing maintenance and operations of heavy assets by integrating with SAP systems. It offers a comprehensive framework for plant maintenance, operations, and safety needs, from planning to execution.

**Highlights:** SAP system integration, Heavy asset maintenance management, Operations and safety framework, Plant maintenance planning, Execution support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DevCom free?

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

### Is Prometheus Mobile PM free?

Prometheus Mobile PM is free to download, with no in-app purchases.

### Which has better reviews, DevCom or Prometheus Mobile PM?

DevCom is rated higher. DevCom averages 5.0 out of 5 from 4 ratings, while Prometheus Mobile PM averages 4.0 from 4 ratings.

### Do DevCom or Prometheus Mobile PM have ads?

Neither DevCom nor Prometheus Mobile PM shows ads.

### Which is updated more often, DevCom or Prometheus Mobile PM?

DevCom ships an update monthly, and Prometheus Mobile PM every 3 months. Most recently, DevCom was updated on September 21, 2026 and Prometheus Mobile PM 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.*