# SBN Lockout/Tagout+ vs Prometheus Mobile PM

The clearest difference is iOS requirement: Prometheus Mobile PM at 9.0 against SBN Lockout/Tagout+'s 13.4. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SBN Lockout/Tagout+ ships an update every 2 months, Prometheus Mobile PM every 3 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SBN Lockout/Tagout+ | Prometheus Mobile PM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/prometheus-mobile-pm/id1625127040/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Free |
| Size | 21 MB | 12 MB |
| Requires iOS | 13.4 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SIMPLE BUT NEEDED, INC.](https://appshunter.io/developer/342130244) | [Prometheus Group, Inc](https://appshunter.io/developer/1554172551) |

## What reviewers say

### SBN Lockout/Tagout+

[App page](https://appshunter.io/ios/app/sbn-lockouttagout-plus/id1126545087)

**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 SBN Lockout/Tagout+ free?

SBN Lockout/Tagout+ 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.

### Do SBN Lockout/Tagout+ or Prometheus Mobile PM have ads?

Neither SBN Lockout/Tagout+ nor Prometheus Mobile PM shows ads.

### Which is updated more often, SBN Lockout/Tagout+ or Prometheus Mobile PM?

SBN Lockout/Tagout+ ships an update every 2 months, and Prometheus Mobile PM every 3 months. Most recently, SBN Lockout/Tagout+ was updated on November 6, 2026 and Prometheus Mobile PM on November 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.*