# Kora vs Chemistry Widget

The clearest difference is price: Kora at Free against Chemistry Widget's $1.99. Kora also leads on update cadence (every 3 days vs every 3 weeks) and iOS requirement (16 vs 18.4). On ads, in-app purchases and device support there is nothing between them.

Kora is free to download; Chemistry Widget costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kora ships an update every 3 days, Chemistry Widget every 3 weeks. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Kora | Chemistry Widget |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chemistry-widget/id6746058742/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | — | Paid |
| Size | 19 MB | 5 MB |
| Requires iOS | **16** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ilhan Akbudak](https://appshunter.io/developer/1787725683) | [Cecile Lebleu](https://appshunter.io/developer/1701666740) |

## What reviewers say

### Kora

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Chemistry Widget

[App page](https://appshunter.io/ios/app/chemistry-widget/id6746058742)

Explore detailed profiles of every element on the periodic table, including their origins, uses, and scientific properties. This app offers interactive Home Screen widgets to discover new elements daily, making science accessible for students and enthusiasts.

**Highlights:** Detailed element profiles, Origins and etymology, Main uses and facts, Home Screen widgets, Filter by properties (radioactive, toxic), Filter by group block

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Kora free?

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

### Is Chemistry Widget free?

Chemistry Widget costs $1.99, with no in-app purchases.

### Do Kora or Chemistry Widget have ads?

Neither Kora nor Chemistry Widget shows ads.

### Which is updated more often, Kora or Chemistry Widget?

Kora ships an update every 3 days, and Chemistry Widget every 3 weeks. Most recently, Kora was updated on October 28, 2026 and Chemistry Widget on November 5, 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.*