# Seismic_AR vs Periodic Table

The clearest difference is in-app purchases: Seismic_AR at none against Periodic Table's 3. Seismic_AR also leads on iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Periodic Table sells 3 in-app purchases, starting at $1.99 per month. Seismic_AR asks for nothing beyond the download.

## The numbers

| Metric | Seismic_AR | Periodic Table |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Size | 76 MB | 159 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MD. USE INNOVATIONS SL](https://appshunter.io/developer/1292343455) | [Oleg Korunov](https://appshunter.io/developer/6811071409) |

## What reviewers say

### Seismic_AR

[App page](https://appshunter.io/ios/app/seismic-ar/id1529650412)

**In-app purchases:** none


### Periodic Table

[App page](https://appshunter.io/ios/app/periodic-table-118-elements/id6811071407)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro — monthly | $1.99 | per month |
| Pro — yearly | $9.99 | per year |
| Periodic Table Pro | $19.99 | one-time |


## Frequently asked questions

### Is Seismic_AR free?

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

### Is Periodic Table free?

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

### Do Seismic_AR or Periodic Table have ads?

Neither Seismic_AR nor Periodic Table shows ads.

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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.*