# Periodic Table PRO vs MusicalSphere

The clearest difference is update cadence: MusicalSphere at every 2 weeks against Periodic Table PRO's every 6 weeks. Periodic Table PRO's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Periodic Table PRO sells 8 one-off in-app purchases and MusicalSphere sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Periodic Table PRO ships an update every 6 weeks, MusicalSphere every 2 weeks. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Periodic Table PRO | MusicalSphere |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (87 ratings)](https://appshunter.io/ios/app/periodic-table-pro/id1601545941/reviews)** | — |
| Number of ratings | **87** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 210 MB | 179 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AGILE FLEX TECH SRL](https://appshunter.io/developer/1601049602) | [GEOFFREY, S GRAYSON,](https://appshunter.io/developer/1691764702) |

## What reviewers say

### Periodic Table PRO

[App page](https://appshunter.io/ios/app/periodic-table-pro/id1601545941)

Explore a virtual chemistry lab with interactive experiments and detailed information on all chemical elements. Features include atom structure simulations, downloadable PDFs, and studying analytics to enhance learning. Supports multiple languages and offers a cohesive, functional design.

**Highlights:** Virtual chemistry lab with experiments, Detailed chemical element information, Atom structure simulations, Downloadable element PDFs, Studying analytics, Multi-language support

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SPECIAL OFFER! | $9.99 | one-time |
| Chernobyl experiments | $9.99 | one-time |
| Explosive experiments | $9.99 | one-time |
| Funny experiments | $9.99 | one-time |
| Experiments with fire | $9.99 | one-time |
| Gas bubbles experiments | $9.99 | one-time |
| Melting experiments | $9.99 | one-time |
| Oxidation experiments | $9.99 | one-time |


### MusicalSphere

[App page](https://appshunter.io/ios/app/musicalsphere/id6745131878)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChordSphere One Time Purchase | $1.99 | one-time |
| ChordSphereTwo One Time Purchase | $1.99 | one-time |


## Frequently asked questions

### Is Periodic Table PRO free?

Periodic Table PRO is free to download, with in-app purchases available.

### Is MusicalSphere free?

MusicalSphere is free to download, with in-app purchases available.

### Do Periodic Table PRO or MusicalSphere have ads?

Neither Periodic Table PRO nor MusicalSphere shows ads.

### Which is updated more often, Periodic Table PRO or MusicalSphere?

Periodic Table PRO ships an update every 6 weeks, and MusicalSphere every 2 weeks. Most recently, Periodic Table PRO was updated on October 23, 2026 and MusicalSphere on October 18, 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.*