# Periodic Table vs PocketChem

The clearest difference is review sentiment: PocketChem at 100% against Periodic Table's 41%. PocketChem also leads on update cadence (every 2 months vs every 9 months) and ratings volume (13 vs 1). Periodic Table's advantage is rating (5.0 vs 4.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Periodic Table holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: PocketChem has 13 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 41% of Periodic Table's written reviews are positive against 100% of PocketChem's, so the app with the better star average is not the one people write more warmly about.

Periodic Table ships an update every 9 months, PocketChem every 2 months. The most recent releases landed on October 19, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Periodic Table | PocketChem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/periodic-table/id289008283/reviews)** | [4.6 (13 ratings)](https://appshunter.io/ios/app/pocketchem/id1494538757/reviews) |
| Number of ratings | 1 | **13** |
| Positive reviews | 41.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 10 MB | 1 MB |
| Requires iOS | **17.0** | 17.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alteru Inc.](https://appshunter.io/developer/434747758) | [Ajay Gandecha](https://appshunter.io/developer/1654221462) |

## What reviewers say

### Periodic Table

[App page](https://appshunter.io/ios/app/periodic-table/id289008283)

Access a comprehensive periodic table offline. Explore detailed information and history for each element, including physical properties. This app is designed to aid students and professionals in chemistry.

**Highlights:** Offline access, Zoomable periodic table, Element details and history, Physical properties display, Memorization aid

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

**In-app purchases:** none


### PocketChem

[App page](https://appshunter.io/ios/app/pocketchem/id1494538757)

This app provides a comprehensive periodic table and chemistry reference for iOS users. It offers detailed information on all 118 elements, including their properties, history, and isotopes. It also includes useful chemistry tools like an equation balancer and formula solver.

**Highlights:** Interactive periodic table with light and dark modes, Detailed element data (properties, history, isotopes), Flame color visualization for elements, Chemistry widgets (equation balancer, formula solver), Reference tools (formulas, solubility rules, constants)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Periodic Table free?

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

### Is PocketChem free?

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

### Which has better reviews, Periodic Table or PocketChem?

Periodic Table is rated higher. Periodic Table averages 5.0 out of 5 from 1 ratings, while PocketChem averages 4.6 from 13 ratings.

### Do Periodic Table or PocketChem have ads?

Neither Periodic Table nor PocketChem shows ads.

### Which is updated more often, Periodic Table or PocketChem?

Periodic Table ships an update every 9 months, and PocketChem every 2 months. Most recently, Periodic Table was updated on October 19, 2026 and PocketChem on October 23, 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.*