# irth UtiliSphere vs Prometheus Mobile PM

The clearest difference is rating: Prometheus Mobile PM at 4.0 against irth UtiliSphere's 2.4. Prometheus Mobile PM also leads on monetization model (free vs paid) and iOS requirement (9.0 vs 11.0). irth UtiliSphere's advantage is update cadence (monthly vs every 3 months) and ratings volume (28 vs 4). 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.

Prometheus Mobile PM holds the better App Store score, 4.0 against 2.4. That said, the two scores are not equally well evidenced: irth UtiliSphere has 28 ratings behind it against 4, so its average is the more settled of the two.

irth UtiliSphere 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 | irth UtiliSphere | Prometheus Mobile PM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (28 ratings)](https://appshunter.io/ios/app/irth-utilisphere/id972186140/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/prometheus-mobile-pm/id1625127040/reviews)** |
| Number of ratings | **28** | 4 |
| Positive reviews | 5.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 197 MB | 12 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [irth Solutions, Inc.](https://appshunter.io/developer/559889582) | [PROMETHEUS GROUP, INC.](https://appshunter.io/developer/1554172551) |

## What reviewers say

### irth UtiliSphere

[App page](https://appshunter.io/ios/app/irth-utilisphere/id972186140)

This cloud-based software streamlines 811 One Call ticket management for utility and energy companies. It automates workflows, enhances workforce and asset performance, and provides operational insights through advanced reporting and analytics.

**Highlights:** Automated 811 One Call ticket management, Workforce and asset performance optimization, Operational insights and analytics, Customizable form designer, Work and asset mapping, Configurable process automation

**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 irth UtiliSphere free?

irth UtiliSphere 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, irth UtiliSphere or Prometheus Mobile PM?

Prometheus Mobile PM is rated higher. irth UtiliSphere averages 2.4 out of 5 from 28 ratings, while Prometheus Mobile PM averages 4.0 from 4 ratings.

### Do irth UtiliSphere or Prometheus Mobile PM have ads?

Neither irth UtiliSphere nor Prometheus Mobile PM shows ads.

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

irth UtiliSphere ships an update monthly, and Prometheus Mobile PM every 3 months. Most recently, irth UtiliSphere 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.*