Best Thorium Apps

26+ iOS apps curated and reviewed

4.5 avg rating

16 free apps

Updated September 2026

Looking for free thorium apps? 16 of our 26+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Thorium Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Thorium Reader	Free	3.9★ (9)	No	No	Sep 2026
2	Thorium	Free	4.5★ (2)	No	No	May 2026
3	Thorium	Free	—	No	No	May 2026
4	Epub Reader -read epub,chm,txt	Free	4.5★ (11K)	Yes	Yes	Sep 2026
5	DataGuard by Thorium	Free	—	No	No	May 2026
6	Amazon Kindle: Reading App	Free	4.9★ (5.8M)	No	No	Sep 2026
7	PocketBook Reader	Free	4.5★ (9.8K)	No	Yes	Sep 2026
8	Isotope Browser	Free	4.8★ (25)	No	No	May 2026

Top Picks for Thorium

Thorium Reader by Readium

Read it your way

Editor's Choice

📚 Books

3.9(9 ratings)

Free

Organize all your ebooks, comics, and manga in a single app. Customize your reading experience with adjustable text, fonts, and themes. Listen to audiobooks and zoom into visual content with ease.

Thorium by yoctoPlay

Element 90.

Strong Contender

📚 Education

4.5(2 ratings)

Free

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.

Thorium by CBL solutions bvba

Worth Considering

🔧 Utilities

0.0(0 ratings)

Free

More Thorium apps to explore

Epub Reader -read epub,chm,txt

Ebook Reader for many formats

Free

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.

Supports EPUB, PDF, CHM, RTF formatsOpens compressed files (ZIP, RAR, 7Zip)Table of Contents navigation

📚 Books

(11K)

free with in-app purchases

Amazon Kindle: Reading App

Read books. Millions of ebooks

Free

Access a vast library of eBooks, magazines, and comics on your mobile device. Customize your reading experience with adjustable text, brightness, and page-turning options. Look up words, track progress, and sync across devices.

Read purchased eBooksAccess Kindle UnlimitedCustomizable text and display

📚 Books

(5.8M)

free with in-app purchases

PocketBook Reader

PDF, EPUB, FB2, Audiobooks

Free

This app is a versatile reader supporting 26 book and audio formats, including EPUB, PDF, and audiobooks. It offers features like PDF reflow, text-to-speech, cloud synchronization, and extensive customization options for a comfortable reading experience.

Supports 26 book and audio formatsPDF Reflow functionText-to-speech engine

📚 Books

(9.8K)

free with in-app purchases

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

Appia Rare Earths & Uranium

(CSE: API | OTCQX: APAAF)

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

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

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

by Thermo Fisher Scientific

Free

🔧 Utilities

(0)

Canadian Nuclear Society App

by Canadian Nuclear Society

by Bundesamt für Gesundheit BAG

by International Atomic Energy Agency

Gamma-ray Energy Reference

$3.99

Access a comprehensive library of over 400 radioisotopes, view their gamma-ray data, and identify isotopes by their emitted gammas. Includes tools for radioactive decay and dose rate calculations.

Extensive radioisotope libraryGamma-ray and branching ratio dataIsotope identification by gamma energy

by SOC FRANCAISE D ENERGIE NUCLEAIRE

Free

💼 Business

(0)

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

FAQ about Thorium

What are the best thorium apps for iPhone?

Thorium Reader tops our thorium apps ranking as of September 2026, with a 3.9-star average from 9 App Store ratings, and it's free to download.

Are there free thorium apps for iPhone?

Yes — 16 of the top thorium apps we rank are free to download, including Thorium Reader and Thorium.

Does Thorium Reader have ads or in-app purchases?

Thorium Reader has no ads and has no in-app purchases, according to its App Store listing as of September 2026.

How many thorium apps are on the App Store?

We track 26+ thorium apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

What types of digital content can Thorium Reader handle?

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.

Can I customize the reading experience in Thorium Reader?

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.

Best Thorium Apps

Compare top Thorium Apps (September 2026)

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