# Periodic table - Chem — Chemistry Elements & Quiz

> Chemistry Elements & Quiz (iPhone/iPad app by Mobin Akhter.)

- Source: https://appshunter.io/ios/app/periodic-table-chem/id6757834353 (this page in markdown: same URL + `.md`)
- Developer: [Mobin Akhter](https://appshunter.io/developer/1812505286)
- Category: Education, Reference
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.1 · 34 MB
- Languages: American English, Arabic, Croatian, Czech, Danish, Dutch, Finnish, French (France), German (Germany), Greek and 21 more
- Released: 2026-01-26
- Data updated: 2026-08-26
- User reviews in markdown: https://appshunter.io/ios/app/periodic-table-chem/id6757834353/reviews.md

## What is Periodic table?

The most accurate periodic table app, built for students and chemistry professionals who need reliable data at their fingertips.

COMPLETE ELEMENT DATA
Access detailed information for all 118 elements, including atomic mass, electron configuration, melting and boiling points, density, electronegativity, ionization energy, and oxidation states. All data is verified against IUPAC and NIST standards.

INTERACTIVE LEARNING TOOLS
- Molar Mass Calculator: Enter any chemical formula to instantly calculate molecular weight
- Equation Balancer: Balance chemical equations automatically
- Temperature Slider: See how elements change state from 0K to 6000K in real-time
- Quizzes and Flashcards: Test your knowledge with multiple quiz modes

DESIGNED FOR FOCUS
- Clean, modern interface with no distractions
- Dark and light themes that follow your system preference
- Offline access to all element data
- Save favorites and create custom collections
- Add personal notes to any element

BUILT FOR ACCURACY
Unlike other periodic table apps with outdated or incorrect data, every property in Chem is verified against authoritative sources. No more swapped boiling and melting points.

PRIVACY FIRST
Your favorites, notes, and collections are stored locally on your device. No accounts required. No tracking. No ads.

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PREMIUM FEATURES
Unlock everything with a subscription or one-time purchase:
- Molar mass calculator and equation balancer
- All quiz modes and flashcards
- Saved elements with collections
- Ad-free experience

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Weekly | $4.49 | per 7 days |
| Yearly | $34.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime Access | $64.99 | one-time |



## Version history (last 3 releases)

### 1.1.0 — 2026-05-22

UI/UX improvements
Added localization

### 1.0.1 — 2026-04-12

Minor bug fixes

### 1.0 — 2026-01-27

No release notes.

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All apps by Mobin Akhter: https://appshunter.io/developer/1812505286

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*