# Peridic Table vs Earthquakes...

The clearest difference is ads: Peridic Table at none against Earthquakes...'s shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Peridic Table sells 6 one-off in-app purchases and Earthquakes... sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Peridic Table | Earthquakes... |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/peridic-table/id6743040165/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 156 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ethar Shrouf](https://appshunter.io/developer/1611749293) | [Olga Ivanova](https://appshunter.io/developer/1733570435) |

## What reviewers say

### Peridic Table

[App page](https://appshunter.io/ios/app/peridic-table/id6743040165)

Explore chemistry with an interactive periodic table app. It offers gamified learning, detailed element profiles, and useful chemistry tools like a calculator and solubility chart. Designed for students and science enthusiasts to deepen their understanding.

**Highlights:** Gamified learning with chemistry games, Advanced element sorting and filtering, Chemistry calculator for equations, Detailed element profiles with real-life images, Solubility table, Powerful element search function

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donate 1.99$ For Support App | $1.99 | one-time |
| Donate 5.99$ For Support App | $5.99 | one-time |
| Donate 9.99$  For Support App | $9.99 | one-time |
| Donate 19.99 For Support App | $19.99 | one-time |
| Donate 50$ For Support App | $49.99 | one-time |
| Donate 100$ For Support App | $100.00 | one-time |


### Earthquakes...

[App page](https://appshunter.io/ios/app/earthquakes/id6813302217)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| earthquakes_by_oliva_subscription | $1.99 | per month |
| earthquakes_by_oliva_donation | $1.99 | one-time |


## Frequently asked questions

### Is Peridic Table free?

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

### Is Earthquakes... free?

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

### Do Peridic Table or Earthquakes... have ads?

Earthquakes... shows ads; Peridic Table does not.

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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.*