# Osmosis and Diffusion vs Trove

The clearest difference is in-app purchases: Osmosis and Diffusion at none against Trove's 3. Osmosis and Diffusion also leads on iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Trove sells 3 one-off in-app purchases. Osmosis and Diffusion asks for nothing beyond the download.

## The numbers

| Metric | Osmosis and Diffusion | Trove |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 27 MB | 46 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Science Education Institute](https://appshunter.io/developer/1439710468) | [imlab](https://appshunter.io/developer/1523863615) |

## What reviewers say

### Osmosis and Diffusion

[App page](https://appshunter.io/ios/app/osmosis-and-diffusion/id6744108717)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trove

[App page](https://appshunter.io/ios/app/trove-periodic-elements/id6756610725)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me a Coffee (Small) | $1.99 | one-time |
| Buy Me a Coffee (Medium) | $4.99 | one-time |
| Buy Me a Coffee (Large) | $9.99 | one-time |


## Frequently asked questions

### Is Osmosis and Diffusion free?

Osmosis and Diffusion is free to download, with no in-app purchases.

### Is Trove free?

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

### Do Osmosis and Diffusion or Trove have ads?

Neither Osmosis and Diffusion nor Trove 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.*