# Storm Manager vs Tenn 811

The clearest difference is iOS requirement: Tenn 811 at 13.0 against Storm Manager's 15.1. 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.

Storm Manager ships an update every 4 weeks, Tenn 811 every 3 weeks. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Storm Manager | Tenn 811 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (17 ratings)](https://appshunter.io/ios/app/storm-manager/id1502681755/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 50 MB | 19 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [WRM Software Inc.](https://appshunter.io/developer/1332538595) | [Tennessee One-Call System, Inc. (US)](https://appshunter.io/developer/1889958055) |

## What reviewers say

### Storm Manager

[App page](https://appshunter.io/ios/app/storm-manager/id1502681755)

This app streamlines resource management for companies responding to natural disasters. It facilitates resource acquisition, workforce coordination, expense tracking, and real-time communication to expedite recovery efforts.

**Highlights:** Resource activation and acquisition, Workforce development and crew rosters, Time and expense tracking, GPS tracking of resources, Meals and lodging management, Real-time communication, Dynamic reporting

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

**In-app purchases:** none


### Tenn 811

[App page](https://appshunter.io/ios/app/tenn-811/id6761668671)

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

**In-app purchases:** none


## Frequently asked questions

### Is Storm Manager free?

Storm Manager is free to download, with no in-app purchases.

### Is Tenn 811 free?

Tenn 811 is free to download, with no in-app purchases.

### Do Storm Manager or Tenn 811 have ads?

Neither Storm Manager nor Tenn 811 shows ads.

### Which is updated more often, Storm Manager or Tenn 811?

Storm Manager ships an update every 4 weeks, and Tenn 811 every 3 weeks. Most recently, Storm Manager was updated on November 3, 2026 and Tenn 811 on October 25, 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.*