# Molecule World vs Chemistry Widget

The clearest difference is price: Molecule World at Free against Chemistry Widget's $0.99. Molecule World also leads on ratings volume (4 vs 1). Chemistry Widget's advantage is update cadence (every 3 weeks vs every 2 months). On rating, review sentiment, ads and in-app purchases there is nothing between them.

Molecule World is free to download; Chemistry Widget costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Molecule World against 5.0 for Chemistry Widget. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Molecule World ships an update every 2 months, Chemistry Widget every 3 weeks. Both last shipped on September 20, 2026.

## The numbers

| Metric | Molecule World | Chemistry Widget |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/molecule-world/id863565223/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/chemistry-widget/id6746058742/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 8 MB | 5 MB |
| Requires iOS | **17.6** | 18.4 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Digital World Biology LLC](https://appshunter.io/developer/863565226) | [Cecile Lebleu](https://appshunter.io/developer/1701666740) |

## What reviewers say

### Molecule World

[App page](https://appshunter.io/ios/app/molecule-world/id863565223)

Explore interactive 3D models of molecules, proteins, and DNA. This educational tool allows users to manipulate structures, experiment with visualization styles, and learn about chemical properties. Ideal for students and science enthusiasts of all ages.

**Highlights:** Interactive 3D molecule manipulation, Experiment with drawing and coloring styles, View and control molecular sequences (protein, DNA, RNA), Identify elements and investigate molecular properties, Capture images of molecular structures, Explore themed collections of molecules

**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 Molecule World free?

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

### Is Chemistry Widget free?

Chemistry Widget costs $0.99, with no in-app purchases.

### Which has better reviews, Molecule World or Chemistry Widget?

Molecule World and Chemistry Widget are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Molecule World or Chemistry Widget have ads?

Neither Molecule World nor Chemistry Widget shows ads.

### Which is updated more often, Molecule World or Chemistry Widget?

Molecule World ships an update every 2 months, and Chemistry Widget every 3 weeks. Most recently, Molecule World was updated on September 20, 2026 and Chemistry Widget on September 20, 2026.

---

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