# Chemspec Europe vs PCOA24

The clearest difference is update cadence: PCOA24 at every 6 days against Chemspec Europe's every 11 months. Chemspec Europe's advantage is iOS requirement (10.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Chemspec Europe ships an update every 11 months, PCOA24 every 6 days. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Chemspec Europe | PCOA24 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 6 days** |
| Size | 51 MB | 83 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Reed Exhibitions Ltd](https://appshunter.io/developer/540373170) | [PCOA](https://appshunter.io/developer/1313096293) |

## What reviewers say

### Chemspec Europe

[App page](https://appshunter.io/ios/app/chemspec-europe/id6502418562)

**In-app purchases:** none


### PCOA24

[App page](https://appshunter.io/ios/app/pcoa24/id6738381226)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chemspec Europe free?

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

### Is PCOA24 free?

PCOA24 is free to download, with no in-app purchases.

### Do Chemspec Europe or PCOA24 have ads?

Neither Chemspec Europe nor PCOA24 shows ads.

### Which is updated more often, Chemspec Europe or PCOA24?

Chemspec Europe ships an update every 11 months, and PCOA24 every 6 days. Most recently, Chemspec Europe was updated on November 8, 2026 and PCOA24 on October 30, 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.*