# Initial Response vs Prometheus Mobile PM

The clearest difference is update cadence: Initial Response at monthly against Prometheus Mobile PM's every 3 months. Prometheus Mobile PM's advantage is iOS requirement (9.0 vs 16.0). On price, rating, ratings volume 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.

On the App Store both sit at effectively the same score — 4.1 for Initial Response against 4.0 for Prometheus Mobile PM. Both are backed by a comparable volume of ratings — 9 and 4 respectively.

Initial Response ships an update monthly, Prometheus Mobile PM every 3 months. The most recent releases landed on October 4, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Initial Response | Prometheus Mobile PM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (9 ratings)](https://appshunter.io/ios/app/initial-response/id1233465196/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/prometheus-mobile-pm/id1625127040/reviews) |
| Number of ratings | **9** | 4 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 309 MB | 12 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Response Group, Inc.](https://appshunter.io/developer/1005842863) | [PROMETHEUS GROUP, INC.](https://appshunter.io/developer/1554172551) |

## What reviewers say

### Initial Response

[App page](https://appshunter.io/ios/app/initial-response/id1233465196)

This app allows authorized users to create and manage event documentation. Access emergency response plans and checklists, build situation maps, and capture information via typing or voice. It synchronizes changes with Incident Action Plan software.

**Highlights:** Build and manage event documentation, Access emergency response plans, Create customized checklists, Build situation maps, Capture information via voice or text, Synchronize with IAP Software

**Features:** Vision Pro support

**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 Initial Response free?

Initial Response 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, Initial Response or Prometheus Mobile PM?

Initial Response is rated higher. Initial Response averages 4.1 out of 5 from 9 ratings, while Prometheus Mobile PM averages 4.0 from 4 ratings.

### Do Initial Response or Prometheus Mobile PM have ads?

Neither Initial Response nor Prometheus Mobile PM shows ads.

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

Initial Response ships an update monthly, and Prometheus Mobile PM every 3 months. Most recently, Initial Response was updated on October 4, 2026 and Prometheus Mobile PM on September 16, 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.*