# Combination & Decomposition vs Trove

The clearest difference is price: Trove at Free against Combination & Decomposition's $1.99. Combination & Decomposition's advantage is in-app purchases (none vs 3) and iOS requirement (11.0 vs 15.0). On ads and device support there is nothing between them.

Trove is free to download; Combination & Decomposition costs $1.99 up front. Trove sells 3 one-off in-app purchases. Combination & Decomposition asks for nothing beyond the download.

## The numbers

| Metric | Combination & Decomposition | Trove |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 33 months | — |
| Size | 149 MB | 46 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VIRTUAL FILAMENTS PRIVATE LIMITED](https://appshunter.io/developer/1474217212) | [imlab](https://appshunter.io/developer/1523863615) |

## What reviewers say

### Combination & Decomposition

[App page](https://appshunter.io/ios/app/combination-and-decomposition/id1544403959)

**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 Combination & Decomposition free?

Combination & Decomposition costs $1.99, with no in-app purchases.

### Is Trove free?

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

### Do Combination & Decomposition or Trove have ads?

Neither Combination & Decomposition 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.*