# Spectrum 30 — Soldier Spectrum Awareness

> 30-day electromagnetic spectrum awareness training for soldiers and leaders. (iPhone/iPad app by DEREK FRANK BARTLETT.)

- Source: https://appshunter.io/ios/app/spectrum-30/id6791709668 (this page in markdown: same URL + `.md`)
- Developer: [DEREK FRANK BARTLETT](https://appshunter.io/developer/6791709670)
- Category: Education, Reference
- Price: $4.99
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 12+
- Requires: iOS 15.1 · 78 MB
- Languages: American English
- Released: 2026-07-23
- Data updated: 2026-08-03
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/spectrum-30/id6791709668/reviews.md

## What is Spectrum 30?

Spectrum 30 is a progressive 30-day training program designed to help Soldiers and leaders understand the electromagnetic spectrum, recognize electromagnetic signatures, manage emissions, and operate through degraded communications.

TRAIN THE FUNDAMENTALS
• Follow a structured 30-day spectrum-awareness journey
• Learn through simple visual lessons and infographics
• Reinforce concepts with five-question challenges
• Practice leader decision-making with focused simulations

BUILT FOR SOLDIERS AND LEADERS
• Separate Soldier, instructor, and evaluator experiences
• Downloadable leader handouts and training visuals
• Practical standards, decision points, and after-action review tools
• Day-focused practice labs using clearly labeled fictional training data

VISUALIZE THE INVISIBLE
The Magnetic Field Explorer uses the iPhone magnetometer to demonstrate relative magnetic-field changes near approved electronics and wiring. It is not an RF spectrum analyzer. The other Practice Labs are simulations and do not scan Wi-Fi, cellular, tactical-radio, GPS-threat, or live RF activity.

No account or external RF sensor is required.

Spectrum 30 is an independent educational training tool and is not affiliated with or endorsed by the U.S. Department of Defense or any military service.

## Key features

- 30-day spectrum awareness journey
- Visual lessons and infographics
- Five-question concept challenges
- Leader decision-making simulations
- Downloadable leader handouts
- Magnetic Field Explorer tool


## Frequently asked questions about Spectrum 30

### What is Spectrum 30?

Spectrum 30 is a progressive 30-day training program designed to help Soldiers and leaders understand the electromagnetic spectrum, recognize electromagnetic signatures, manage emissions, and operate through degraded communications.

### How does Spectrum 30 teach spectrum awareness?

It follows a structured 30-day journey with simple visual lessons, infographics, and five-question challenges to reinforce concepts. It also includes simulations for leader decision-making.

### Is Spectrum 30 an RF spectrum analyzer?

No, the Magnetic Field Explorer uses the iPhone magnetometer to demonstrate relative magnetic-field changes. The other practice labs are simulations and do not scan live RF activity.

### What devices does Spectrum 30 support?

Spectrum 30 is supported on iPhone and iPod devices.

### What is the age rating for Spectrum 30?

Spectrum 30 has an age rating of 12+, making it suitable for a wide range of users.

### Does Spectrum 30 require an account or external sensor?

No, Spectrum 30 is an independent educational training tool that does not require an account or any external RF sensors to operate.

### How much does Spectrum 30 cost?

Spectrum 30 is a paid application, available for $4.99. There are no in-app purchases or subscriptions.

### How often is Spectrum 30 updated?

Spectrum 30 was last updated on July 24, 2026, with version 1.0. Future updates will likely focus on content enhancements and feature refinements.

## Version history (last 1 release)

### 1.0 — 2026-07-24

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-03.*