# Periodic Table of Elements+ vs Kora

The clearest difference is ads: Kora at none against Periodic Table of Elements+'s shown. Kora also leads on update cadence (every 3 days vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Periodic Table of Elements+ ships an update every 7 months, Kora every 3 days. The most recent releases landed on October 21, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Periodic Table of Elements+ | Kora |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (58 ratings)](https://appshunter.io/ios/app/periodic-table-of-elements-plus/id6447423433/reviews)** | — |
| Number of ratings | **58** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 38 MB | 19 MB |
| Requires iOS | **15.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sonya Marcarelli](https://appshunter.io/developer/409702204) | [Ilhan Akbudak](https://appshunter.io/developer/1787725683) |

## What reviewers say

### Periodic Table of Elements+

[App page](https://appshunter.io/ios/app/periodic-table-of-elements-plus/id6447423433)

This educational app provides a compact Mendeleev's table with extensive chemical element data. It allows users to create molecular formulas, calculate their mass, and access detailed Wikipedia information for each element. Designed for students and chemistry enthusiasts, it offers VoiceOver accessibility and efficient space utilization.

**Highlights:** Mendeleev's table reference, Molecular formula composer, Molecular mass computation, VoiceOver accessibility, Links to Wikipedia pages, Copyable element information

**Features:** Vision Pro support

**In-app purchases:** none


### Kora

[App page](https://appshunter.io/ios/app/kora-ask-me/id6739968621)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Periodic Table of Elements+ free?

Periodic Table of Elements+ is free to download, with no in-app purchases.

### Is Kora free?

Kora is free to download, with no in-app purchases.

### Do Periodic Table of Elements+ or Kora have ads?

Periodic Table of Elements+ shows ads; Kora does not.

### Which is updated more often, Periodic Table of Elements+ or Kora?

Periodic Table of Elements+ ships an update every 7 months, and Kora every 3 days. Most recently, Periodic Table of Elements+ was updated on October 21, 2026 and Kora on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*