# Data Scientific vs Chemical Equations Trainer

The clearest difference is in-app purchases: Data Scientific at none against Chemical Equations Trainer's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Chemical Equations Trainer sells 1 one-off in-app purchase. Data Scientific asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Data Scientific | Chemical Equations Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 27 MB | 12 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jean Claude Zabaloff](https://appshunter.io/developer/1729237419) | [Alexander Mehanic](https://appshunter.io/developer/1888807545) |

## What reviewers say

### Data Scientific

[App page](https://appshunter.io/ios/app/data-scientific/id6762534867)

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

**In-app purchases:** none


### Chemical Equations Trainer

[App page](https://appshunter.io/ios/app/chemical-equations-trainer/id6797987873)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | one-time |


## Frequently asked questions

### Is Data Scientific free?

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

### Is Chemical Equations Trainer free?

Chemical Equations Trainer is free to download, with in-app purchases available.

### Do Data Scientific or Chemical Equations Trainer have ads?

Neither Data Scientific nor Chemical Equations Trainer shows ads.

### Which is updated more often, Data Scientific or Chemical Equations Trainer?

Data Scientific ships an update every 3 weeks, and Chemical Equations Trainer every 3 weeks. Most recently, Data Scientific was updated on October 31, 2026 and Chemical Equations Trainer on November 6, 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.*