Isotope Browser

Nuclear data + decay radiation with search engine, nuclide chart, periodic table

IAEA Nuclear Data Section · iaea.nds.nuclides

Not rated yet 100K+ downloads v5.45.87 9.3 MB Android 4.0.3+ PEGI 3 · Everyone

Download APK 9.3 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v5.45.87 (160)
Updated: Jan 27, 2026 (8 months ago)
APK size: 9.3 MB
Requires: Android 4.0.3+ (API 15)
CPU support: Any (no native code)
Category: Books & Reference (app)
Listed since: Apr 19, 2021 (at least)
Website: www-nds.iaea.org
Developer contact: [email protected]

About this APK

Isotope Browser is an app by IAEA Nuclear Data Section in the Books & Reference category, listed since at least April 2021. It has no native code, so it runs on any Android processor.

What's new in v5.45.87

Ra-229 decay mode correction

Description

From the listing uploaded by “appupdater”.

Provided by the Nuclear Data Section of the International Atomic Energy Agency, the app gives properties of more than 4 000 nuclides and isomers. A Chart of Nuclides, with zooming and tapping enabled, and a Periodic Table of Elements are included to allow easy selection and navigation. Filter criteria on half-life, decay mode, radiation type and energy can be selected. Summary data are presented in a scrolling list, with a details page for each nuclide containing web links to the data sources and further information. The filtered nuclides can be visualised on the Chart of Nuclides. Data are taken from the most recent and reliable sources, and optimal search-and-retrieve performance is achieved with an embedded database, meaning that no network connection is required.

Version history

3 versions are listed, going back to v5.44.86.

v5.45.87 LATEST Jan 27, 2026 9.3 MB TRUSTED v5.44.87 Aug 26, 2025 9.3 MB TRUSTED v5.44.86 Dec 18, 2024 9.3 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jan 27, 2026.
Certificate issued to “IAEA” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Jan 27, 2026
Validated against Google Play Jan 27, 2026
Signed byOU=Nuclear Data Section, O=IAEA
Signing certificate (SHA-1)EE:E3:6D:F9:76:C3:E6:52:BD:34:24:4C:D4:E9:8D:39:6E:81:DB:ED
File MD563a9c1588352c4a8dac6fbe8ced1cad1
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Required hardware & features

Basic touch input android.hardware.faketouch

Isotope Browser APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Isotope Browser APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 63a9c1588352c4a8dac6fbe8ced1cad1.