# Periodic table vs Peridic Table

The clearest difference is rating: Periodic table at 4.9 against Peridic Table's 3.0. Periodic table also leads on update cadence (daily vs every 2 months) and ratings volume (13 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Periodic table sells 1 one-off in-app purchase and Peridic Table sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Periodic table holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: Periodic table has 13 ratings behind it against 2, so its average is the more settled of the two.

Periodic table ships an update daily, Peridic Table every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Periodic table | Peridic Table |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (13 ratings)](https://appshunter.io/ios/app/periodic-table-chemistry-2019/id1467907855/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/peridic-table/id6743040165/reviews) |
| Number of ratings | **13** | 2 |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 31 MB | 56 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hoang Tue](https://appshunter.io/developer/1057609083) | [Ethar Shrouf](https://appshunter.io/developer/1611749293) |

## What reviewers say

### Periodic table

[App page](https://appshunter.io/ios/app/periodic-table-chemistry-2019/id1467907855)

Access a comprehensive periodic table with detailed information for each element, including properties, electron shell diagrams, and photos. Features a molar mass calculator and the ability to add personal notes.

**Highlights:** 126 elements, Detailed element properties, Electron shell diagrams, Solubility chart, Molar mass calculator, Element photos, Add notes to elements

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads forever | $5.99 | one-time |


### 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 |


## Frequently asked questions

### Is Periodic table free?

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

### Is Peridic Table free?

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

### Which has better reviews, Periodic table or Peridic Table?

Periodic table is rated higher. Periodic table averages 4.9 out of 5 from 13 ratings, while Peridic Table averages 3.0 from 2 ratings.

### Do Periodic table or Peridic Table have ads?

Neither Periodic table nor Peridic Table shows ads.

### Which is updated more often, Periodic table or Peridic Table?

Periodic table ships an update daily, and Peridic Table every 2 months. Most recently, Periodic table was updated on November 3, 2026 and Peridic Table on November 4, 2026.

---

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