# Crow Vocab Builder Version 2 vs Codominance (Multiple Alleles)

The clearest difference is iOS requirement: Codominance (Multiple Alleles) at 12.0 against Crow Vocab Builder Version 2's 15.6. 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.

## The numbers

| Metric | Crow Vocab Builder Version 2 | Codominance (Multiple Alleles) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | — |
| Size | 539 MB | 22 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Language Conservancy, Inc](https://appshunter.io/developer/1063881431) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## What reviewers say

### Crow Vocab Builder Version 2

[App page](https://appshunter.io/ios/app/crow-vocab-builder-version-2/id6477953721)

**Features:** macOS Compatibility

**In-app purchases:** none


### Codominance (Multiple Alleles)

[App page](https://appshunter.io/ios/app/codominance-multiple-alleles/id6743689242)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Crow Vocab Builder Version 2 free?

Crow Vocab Builder Version 2 is free to download, with no in-app purchases.

### Is Codominance (Multiple Alleles) free?

Codominance (Multiple Alleles) is free to download, with no in-app purchases.

### Do Crow Vocab Builder Version 2 or Codominance (Multiple Alleles) have ads?

Neither Crow Vocab Builder Version 2 nor Codominance (Multiple Alleles) 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.*