# PMI View vs PowerOutage.com Lineman

The clearest difference is update cadence: PowerOutage.com Lineman at every 2 weeks against PMI View's every 2 months. PowerOutage.com Lineman also leads on iOS requirement (16.4 vs 18.0). PMI View's advantage is device support (3 vs 1). 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 — 5.0 for PMI View against 5.0 for PowerOutage.com Lineman. Both are backed by a comparable volume of ratings — 4 and 7 respectively.

PMI View ships an update every 2 months, PowerOutage.com Lineman every 2 weeks. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | PMI View | PowerOutage.com Lineman |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/pmi-view/id6465390024/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/poweroutagecom-lineman/id6781008535/reviews) |
| Number of ratings | 4 | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 242 MB | 69 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Power Monitors, Incorporated](https://appshunter.io/developer/540822326) | [FE Bluefire LLC](https://appshunter.io/developer/6781008537) |

## What reviewers say

### PMI View

[App page](https://appshunter.io/ios/app/pmi-view/id6465390024)

This application provides a platform for viewing and analyzing power quality data from field devices. It allows real-time inspection of waveforms, vector diagrams, harmonics, and meter readings. Recordings can be easily downloaded, inspected, and exported.

**Highlights:** Real-time waveform viewing, Vector diagram analysis, Harmonics inspection, Meter readings, Downloadable recordings, Exportable data

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### PowerOutage.com Lineman

[App page](https://appshunter.io/ios/app/poweroutagecom-lineman/id6781008535)

This app provides real-time power outage information for utility crews. It features live maps, nationwide drill-down capabilities, and customizable alerts to keep workers informed about grid status and storm events.

**Highlights:** Live outage maps, 6-hour customer outage trends, Nationwide drill-down, Customizable alerts, Watch lists for regions/utilities, Storm callout feed

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PMI View free?

PMI View is free to download, with no in-app purchases.

### Is PowerOutage.com Lineman free?

PowerOutage.com Lineman is free to download, with no in-app purchases.

### Which has better reviews, PMI View or PowerOutage.com Lineman?

PMI View and PowerOutage.com Lineman are both rated 5.0 out of 5 on the App Store, from 4 and 7 ratings respectively.

### Do PMI View or PowerOutage.com Lineman have ads?

Neither PMI View nor PowerOutage.com Lineman shows ads.

### Which is updated more often, PMI View or PowerOutage.com Lineman?

PMI View ships an update every 2 months, and PowerOutage.com Lineman every 2 weeks. Most recently, PMI View was updated on October 4, 2026 and PowerOutage.com Lineman on October 15, 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.*