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Last updated on: 2026-06-04
Android Apps > Books & Reference > emf Spectrum
emf Spectrum icon

emf Spectrum

1.0
Duncan Watson
4.38
48 reviews
5,000+
Downloads
Free

Scrollable image of the electromagnetic spectrum from DC to x-rays

emf Spectrum Screenshot 1 of 5
emf Spectrum Screenshot 2 of 5
emf Spectrum Screenshot 3 of 5
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emf Spectrum Screenshot 5 of 5

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emf Spectrum compared with similar apps

Keywords that only this app has

Spectrum Scrollable Hz

Common keywords of similar apps

Emf Electromagnetic

Keywords missing from this app

Detector App Magnetic Field Meter Radiation Metal Sensor Detect Fields Devices Real Time Finder Readings Levels Ultimate Ghost Phone Scanner Detection Easily Paranormal Built Device Features Measurement Detecting Objects Measure Strength Sound Tool Users Data Work Hidden Sensors Environment Application Electronic Graph Works Simple Accurate Detects User Activity

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About emf Spectrum

emf Spectrum is a books & reference app developed by Duncan Watson.

How many times has emf Spectrum been downloaded?

emf Spectrum has been downloaded 8.6 thousand times. In the last 30 days, the app was downloaded 32 times.

What is the rating of emf Spectrum?

emf Spectrum is rated 4.38 out of 5 stars, based on 48 ratings.

Is emf Spectrum free?

emf Spectrum is free to download. The APK download size is 862.75 kB. The latest version available is 1.0. The last update was on July 3, 2025.

What are the requirements for emf Spectrum?

emf Spectrum requires Android 5.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play June 2013.

Description
A simple scrollable and zoomable picture of the full electromagnetic (EMF) spectrum from 0 Hz to 10^25 Hz. For reference purposes.
Show more

More data about emf Spectrum

Price Free to download
Total downloads 8.6 thousand
Recent downloads 32
Rating 4.38 based on 48 ratings
Ranking Not ranked
Version 1.0
APK size 862.8 KB
Number of libraries 16
Designed for Android 5.0+
Suitable for Everyone
Ads NO ads

App Performance Report

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Google Play Rating history and histogram

27
3
10
0
0

Downloads over time

emf Spectrum has been downloaded 8.6 thousand times. Over the past 30 days, it has been downloaded 32 times.

Changelog of emf Spectrum

  • Jul 3, 2025UpdateVersion 1.0
  • Jul 10, 2024UpdateVersion 1.0
  • Dec 2, 2023UpdateVersion 1.0
  • Sep 15, 2020UpdateVersion 1.0
  • Oct 4, 2019UpdateVersion 1.0
  • Aug 2, 2019Installs5,000+ installs
  • Jun 27, 2018UpdateVersion 1.0
  • Sep 1, 2014Installs1,000+ installs
  • Mar 3, 2014Installs500+ installs
  • Sep 27, 2013Installs100+ installs
  • Jun 25, 2013New AppVersion 1.0 in Books & Reference for Free
Show more Show less

Developer information for Duncan Watson

Duncan Watson

watson_duncan@xtra.co.nz

N/A

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Comments on emf Spectrum for Android

★★★★★ OfficialLardStudios · Oct 10, 2022
Nothing compares to how comprehensive this is! Truly the absolute best emf spectrum app!
★★★★☆ رسمى نعمان · Jun 22, 2019
Very helpful as fundamental description
★★★★☆ vic plichota · Mar 7, 2016
Thanks very much for this handy reference! I'll give it 5 stars, if: 1 - you add an electron-volts scale, and 2 - stick to meters as the wavelength basis unit, instead of (rather annoyingly) switching to Angstroms at the high end. Cheers, - vic
★★★★☆ R Shyam · Jun 27, 2014
Er. Radhey Shyam Emf method Short and sweet...
★★★★★ Karl Kraus · Aug 7, 2017
Handy little reference if you constantly have to explain to people why their microwave oven isn't putting "radiation" in their food.

Google Play Rankings for emf Spectrum

This app is not ranked

Technologies used by emf Spectrum

emf Spectrum is requesting 0 permissions and is using 17 libraries.

Permissions

No permissions found

Ad network libraries

None found

Social libraries

None found

Development tools

Android Jetpack core Android Library IconAndroid Jetpack core Android Architecture Components Android Library IconAndroid Architecture Components Android Jetpack VersionedParcelable Android Library IconAndroid Jetpack VersionedParcelable Android Jetpack Annotations Android Library IconAndroid Jetpack Annotations Android Jetpack Widgets Android Library IconAndroid Jetpack Widgets AndroidX Loader Android Library IconAndroidX Loader Android Jetpack Media Android Library IconAndroid Jetpack Media Android Transition Support Library Android Library IconAndroid Transition Support Library Android Support Library collections Android Library IconAndroid Support Library collections AndroidX Legacy: Support Library core utils Android Library IconAndroidX Legacy: Support Library core utils AndroidX Cursor Adapter Android Library IconAndroidX Cursor Adapter AndroidX Local Broadcast Manager Android Library IconAndroidX Local Broadcast Manager Android Support Library Print Android Library IconAndroid Support Library Print Android Support Library Document File Android Library IconAndroid Support Library Document File AndroidX Legacy: Support Library core UI Android Library IconAndroidX Legacy: Support Library core UI Android Support Library Async Layout Inflater Android Library IconAndroid Support Library Async Layout Inflater
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