Big discoveries start with small elements

PeriodicTable.

A whole world of chemistry.

Get to know all 118 elements. Explore their properties, understand reactions and follow calculations from formula to answer.

Download on the App StoreExplore the app

Free download · optional Pro features

Periodic Table — Every element at a glance

App screenshot

118elements
182reference topics
14step-by-step solvers

Why you’ll love it

From a symbol to an understanding.

Meet the elements

Explore properties, electron shells, history and uses. Search by name, symbol or atomic number.

Follow the reaction

Balance equations, calculate molar mass and work through solutions and pH with solvers that show their steps.

Go a little deeper

Read the chemistry handbook and practise across 15 topics. Pro adds a virtual lab with animated molecules and an on-device AI tutor.

Take a look

A little closer.

Real screens. A better feel for what’s inside.

Periodic Table — Every element at a glance
Every element at a glance
Periodic Table — Go inside an element
Go inside an element
Periodic Table — Balance reactions, step by step
Balance reactions, step by step

FAQ

Good to know

Answers before you get started.

Does it work offline?

Yes. The handbook and its reference content are available offline after installation. Apple Intelligence features also require a compatible device and a downloaded system model.

What is free?

You can download the app for free. The reference handbook stays useful without Pro; additional learning tools and AI features depend on the app’s Pro plan. The App Store and the in-app purchase screen show the current options.

Do I need Apple Intelligence?

No. You can read and use the handbook without it. The AI tutor is optional and requires a compatible iPhone or iPad with Apple Intelligence enabled; supported languages depend on your system.

Which devices can I use?

The app is available for iPhone and iPad. Check the App Store page for the current operating system and device requirements.

Make room for your next discovery.

Free download · optional Pro features

Download on the App Store

AI tutoring is a Pro feature. It needs a compatible iPhone or iPad, iOS/iPadOS 26 or later, and enabled Apple Intelligence. Availability varies by language and region. AI answers can contain mistakes.