Best Thorium Apps

24+ iOS apps curated and reviewed

4.4 avg rating
16 free apps
Updated July 2026

Looking for free thorium apps? 16 of our 24+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Thorium Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Thorium ReaderThorium ReaderFree4.7★ (3)NoNoJul 2026
2ThoriumThoriumFree4.5★ (2)NoNoMay 2026
3Epub Reader -read epub,chm,txtEpub Reader -read epub,chm,txtFree4.5★ (11K)YesYesJul 2026
4ThoriumThoriumFreeNoNoMay 2026
5DataGuard by ThoriumDataGuard by ThoriumFreeNoNoMay 2026
6Isotope BrowserIsotope BrowserFree4.8★ (25)NoNoMay 2026
7Decay TreeDecay TreeFree4.1★ (7)YesYesJul 2026
8Chart of the NuclidesChart of the NuclidesFree4.9★ (16)NoNoMay 2026

Top Picks for Thorium

Thorium#2

Thorium by yoctoPlay

Element 90.
Strong Contender
📚 Education
4.5(2 ratings)
Free
Thorium screenshot 1
Thorium screenshot 2
Thorium screenshot 3
Thorium screenshot 4

Explore the potential of thorium as an energy source. This educational app uses videos to explain nuclear fission and contrast thorium-based reactors with current energy technologies like solar and wind.

Epub Reader -read epub,chm,txt#3

Epub Reader -read epub,chm,txt by 俐 马

Ebook Reader for many formats
Worth Considering
📚 Books
4.5😐(11K ratings)
FreeAdsIn-App Purchases
Epub Reader -read epub,chm,txt screenshot 1
Epub Reader -read epub,chm,txt screenshot 2
Epub Reader -read epub,chm,txt screenshot 3
Epub Reader -read epub,chm,txt screenshot 4

This app offers a seamless reading experience for various ebook formats including EPUB, PDF, and CHM. It supports multiple compression formats and provides features like table of contents, note-taking, and bookmarking. Customize your reading with adjustable font sizes.

What We Love

  • 👍 Easy to use
  • 🚀 Fast and responsive
  • 💡 Convenient file transfer via WiFi
  • 🤩 Great for casual reading

Room to Improve

  • 🐛 Loses bookmarks and reading progress
  • 🔍 Lacks search functionality
  • 🌗 No dark mode option

More Thorium apps to explore

4
Thorium
Thorium
Thorium
by CBL solutions bvba
Free
🔧 Utilities
(0)
5
DataGuard by Thorium
DataGuard by Thorium
DataGuard by Thorium
by Yehezkel Corly
Free
📊 Productivity
(0)
6
Isotope Browser
Isotope Browser
Isotope Browser
Nuclides Chart - Nuclear Data
Free

Access comprehensive nuclear data for over 4,000 nuclides and isomers. Explore interactive charts, filter by various criteria, and view detailed information for each nuclide. Data is sourced from reliable resources and available offline.

Properties of over 4,000 nuclides and isomersInteractive Chart of NuclidesPeriodic Table of Elements
📚 Education
(25)
free
7
Decay Tree
Decay Tree
Decay Tree
by Gustaf Holst
Free

This educational app visually represents nuclear decay chains for various nuclides. It graphically displays decay modes and half-lives, alongside detailed tables and graphs of spin, specific activity, and emitted particles.

Visualizes decay chainsGraphical display of decay modesGraphical display of half-lives
📚 Education
(7)
free with in-app purchases
8
Chart of the Nuclides
Chart of the Nuclides
Chart of the Nuclides
by Fluor Marine Propulsion, LLC
Free

Access comprehensive nuclear data with this electronic chart. Explore detailed information on various nuclides, including half-life, decay modes, and atomic weights. This app serves as a digital companion to a renowned publication in the field.

Comprehensive nuclide informationHalf-life dataDecay mode details
📚 Education
(16)
free
9
RadSafePro
RadSafePro
RadSafePro
Radiation Safety Solutions
$2.99

Calculate radiation activity, estimate dose rates, and convert units with a comprehensive isotope database. Access detailed information and perform calculations with a specialized keyboard. Features include decay charts, shielding incorporation, and an inverse square law calculator.

Isotope activity calculationDecay chart visualizationDose rate estimation
🏥 Medical
(42)
paid
10
RadioactivityCounter
RadioactivityCounter
RadioactivityCounter
by Dipl.-Ing. Rolf-Dieter Klein
$4.99

Transform your phone into a functional radioactivity counter. Measure gamma and some beta radiation using your device's camera sensor after calibration. Useful for personal use and experimentation with radiation sources.

Real radioactivity counter functionalityConverts phone into Geiger Müller CounterMeasures gamma and some beta radiation
🔧 Utilities
(10)
paid
11
RadHalo
RadHalo
RadHalo
by Thermo Fisher Scientific
Free
🔧 Utilities
(0)
12
Numerco Nuclear
Numerco Nuclear
Numerco Nuclear
by Brightec
Free

Access up-to-date pricing and historical charts for nuclear fuel markets, including uranium, conversion, and enrichment. Registration is required after download.

Up-to-date pricing indicationsHistorical chartingUranium (U3O8 & UF6) pricing
💼 Business
(2)
free
13
Radioactivity Conversion
Radioactivity Conversion
Radioactivity Conversion
Radioactive Decay Unit Convert
$2.99

Easily convert between various units related to radioactive decay. Understand the process of emitting radioactive particles and the properties of elements exhibiting radioactivity.

Radioactive decay unit conversionInformation on radioactive decay processDetails on radioactive particles
🔧 Utilities
(2)
paid
14
Atoms To Go Table of Elements
Atoms To Go Table of Elements
Atoms To Go Table of Elements
Periodic Table of the Elements
$2.99

Access comprehensive chemical and nuclear data for elements and their isotopes. Explore detailed physical properties and decay information, including half-life and daughter products.

Chemical and nuclear dataIsotope informationPhysical properties
🔍 Reference
(6)
paid
15
Nuclides
Nuclides
Nuclides
A Handy Helper in Your Pocket
Free
$29.99 | 100% OFF
🔍 Reference
(0)
16
PAAT-IAEA
PAAT-IAEA
PAAT-IAEA
by International Atomic Energy Agency
Free
🔧 Utilities
(0)
17
NuklidCalc
NuklidCalc
NuklidCalc
by Bundesamt für Gesundheit BAG
Free
🔧 Utilities
(0)
18
Nuclear Wallet Cards
Nuclear Wallet Cards
Nuclear Wallet Cards
Explore Nuclear Data!
Free

Access comprehensive nuclear data for every known nuclide in an interactive format. Explore ground and isomeric state properties with powerful search and filtering tools. This authoritative reference is ideal for researchers, educators, and students.

Comprehensive nuclide dataPowerful search and filterInteractive periodic table
📚 Education
(3)
free
19
Appia Rare Earths & Uranium
Appia Rare Earths & Uranium
Appia Rare Earths & Uranium
(CSE: API | OTCQX: APAAF)
Free
💼 Business
(0)
20
Canadian Nuclear Society App
Canadian Nuclear Society App
Canadian Nuclear Society App
by Canadian Nuclear Society
Free
📚 Education
(0)

FAQ about Thorium

What are the best thorium apps for iPhone?
Thorium Reader tops our thorium apps ranking as of July 2026, with a 4.7-star average from 3 App Store ratings, and it's free to download.
Yes — 16 of the top thorium apps we rank are free to download, including Thorium Reader and Thorium.
Thorium Reader has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 24+ thorium apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Thorium Reader supports a wide range of digital content, including ebooks, documents, comics, and manga. You can import files in EPUB, PDF, and CBZ formats.
Yes, Thorium Reader offers extensive customization options. You can adjust text size, choose from over 10 fonts, switch between color schemes with themes, and control spacing to suit your preferences.

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