# AtomicTiles vs Science Experiments by Dencity

The clearest difference is price: Science Experiments by Dencity at Free against AtomicTiles's $3.99. Science Experiments by Dencity also leads on update cadence (every 3 weeks vs every 19 months). AtomicTiles's advantage is in-app purchases (none vs 27) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Science Experiments by Dencity is free to download; AtomicTiles costs $3.99 up front. Science Experiments by Dencity sells 27 in-app purchases, starting at $0.99 per month. AtomicTiles asks for nothing beyond the download.

AtomicTiles ships an update every 19 months, Science Experiments by Dencity every 3 weeks. The most recent releases landed on September 25, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | AtomicTiles | Science Experiments by Dencity |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/atomictiles/id522105648/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 9 MB | 642 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPad, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Techventions](https://appshunter.io/developer/1766707643) |

## What reviewers say

### AtomicTiles

[App page](https://appshunter.io/ios/app/atomictiles/id522105648)

Explore the fundamental building blocks of matter. This interactive tool allows students to understand atomic structure and how atoms bond to form molecules. Visualize valence electrons and their role in chemical bonding through an engaging learning experience.

**Highlights:** Explore atomic structure (protons, neutrons, electrons), Understand valence electrons and covalent bonding, Visualize how atoms form molecules, Interactive exploration of molecular structures, Learn about the properties of elements and the periodic table

**In-app purchases:** none


### Science Experiments by Dencity

[App page](https://appshunter.io/ios/app/science-experiments-by-dencity/id6670542048)

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

**In-app purchases (27)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Class 10 Experiments | $0.99 | per month |
| Class 11 Experiments | $0.99 | per month |
| Class 12 Experiments | $0.99 | per month |
| Class 6 Experiments | $0.99 | per month |
| Class 7 Experiments | $0.99 | per month |
| Class 8 Experiments | $0.99 | per month |
| Class 9 Experiments | $0.99 | per month |
| Class 12 Experiments | $0.99 | per month |
| Class 9 Experiments | $0.99 | per month |
| Class 11 Experiments | $0.99 | per month |
| Class 10 Experiments | $0.99 | per month |
| Class 7 Experiments | $1.99 | per month |
| Class 6 Experiments | $1.99 | per month |
| Class 12 Experiments | $1.99 | per month |
| Class 10 Experiments | $1.99 | per month |
| Class 11 Experiments | $1.99 | per month |
| Class 9 Experiments | $1.99 | per month |
| Class 6 | $4.99 | per month |
| Class 8 Experiments | $4.99 | per month |
| Class 8 Experiments | $9.99 | per month |
| Class 7 Experiments | $9.99 | per month |
| Class 8 Experiments | $3.99 | one-time |
| Class 9 Experiments | $3.99 | one-time |
| Class 7 Experiments | $4.99 | one-time |
| Class 7 Experiments | $8.99 | one-time |
| Class 8 Experiments | $8.99 | one-time |
| Class 9 Experiments | $8.99 | one-time |


## Frequently asked questions

### Is AtomicTiles free?

AtomicTiles costs $3.99, with no in-app purchases.

### Is Science Experiments by Dencity free?

Science Experiments by Dencity is free to download, with in-app purchases available.

### Do AtomicTiles or Science Experiments by Dencity have ads?

Science Experiments by Dencity shows ads; AtomicTiles does not.

### Which is updated more often, AtomicTiles or Science Experiments by Dencity?

AtomicTiles ships an update every 19 months, and Science Experiments by Dencity every 3 weeks. Most recently, AtomicTiles was updated on September 25, 2026 and Science Experiments by Dencity on October 3, 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.*