# Periora — Elements, Chemistry & Quiz

> Elements, Chemistry & Quiz (iPhone/iPad app by hamam alabdulla.)

- Source: https://appshunter.io/ios/app/periora/id6795118953 (this page in markdown: same URL + `.md`)
- Developer: [hamam alabdulla](https://appshunter.io/developer/1562896225)
- Category: Education, Reference
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 3 MB
- Languages: American English, Arabic
- Released: 2026-08-06
- Data updated: 2026-08-10
- User reviews in markdown: https://appshunter.io/ios/app/periora/id6795118953/reviews.md

## What is Periora?

Periora is the periodic table you'll actually enjoy opening.

Every one of the 118 elements, with data compiled from IUPAC and NIST — atomic weights, electron configurations, physical properties — bundled offline, so it works in class, in the lab, or on a plane. No account. No ads. Ever.

BUILT FOR STUDY
• Quiz mode: Symbol → Name and Name → Symbol with instant feedback
• Search that understands Arabic and English — حديد, Iron, Fe, or 26 all find the same element
• Category filters: pick out the halogens or lanthanides at a glance

BEAUTIFUL AND ALIVE
• Animated electron shells for every element
• A true iPad layout: the whole table at a glance
• Full dark mode and a design that respects your language — complete right-to-left Arabic

ACCURATE BY DESIGN
• Values from IUPAC (2021 standard atomic weights) and NIST
• Every property traceable to its source

PERIORA PRO (optional one-time purchase)
• Unlimited quiz sessions — the reference itself is free, forever
• No subscription, ever

Made for students, teachers, and the chemistry-curious.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Periora Pro (Lifetime) | $14.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-08-06

No release notes.

## More apps by hamam alabdulla

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All apps by hamam alabdulla: https://appshunter.io/developer/1562896225

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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 2026-08-10.*