# j5 Mobile vs Prometheus Mobile PM

The clearest difference is rating: j5 Mobile at 5.0 against Prometheus Mobile PM's 4.0. Prometheus Mobile PM's advantage is iOS requirement (9.0 vs 12.0). 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.

j5 Mobile holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

j5 Mobile ships an update every 2 months, Prometheus Mobile PM every 3 months. The most recent releases landed on October 17, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | j5 Mobile | Prometheus Mobile PM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/j5-mobile/id1489315219/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/prometheus-mobile-pm/id1625127040/reviews) |
| Number of ratings | 2 | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 42 MB | 12 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Intergraph Corporation](https://appshunter.io/developer/523042901) | [Prometheus Group, Inc](https://appshunter.io/developer/1554172551) |

## What reviewers say

### j5 Mobile

[App page](https://appshunter.io/ios/app/j5-mobile/id1489315219)

Streamline industrial data collection with this mobile solution. Capture readings, observations, and photographic evidence in the field, eliminating manual entry errors and delays. Enhance safety and operational efficiency by integrating with real-time systems.

**Highlights:** Mobile data logging for industrial sites, Inspection rounds with route guidance, Attach photos, videos, and notes, Offline data entry and synchronization, Integration with Data Historians (e.g., OSIsoft PI), Mobile access to Operations Logbook, Field access to Standing Orders

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 j5 Mobile free?

j5 Mobile is free to download, with no in-app purchases.

### Is Prometheus Mobile PM free?

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

### Which has better reviews, j5 Mobile or Prometheus Mobile PM?

j5 Mobile is rated higher. j5 Mobile averages 5.0 out of 5 from 2 ratings, while Prometheus Mobile PM averages 4.0 from 4 ratings.

### Do j5 Mobile or Prometheus Mobile PM have ads?

Neither j5 Mobile nor Prometheus Mobile PM shows ads.

### Which is updated more often, j5 Mobile or Prometheus Mobile PM?

j5 Mobile ships an update every 2 months, and Prometheus Mobile PM every 3 months. Most recently, j5 Mobile was updated on October 17, 2026 and Prometheus Mobile PM on October 3, 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.*