# RootWords vs CDR RDN

The clearest difference is price: RootWords at Free against CDR RDN's $4.99. CDR RDN's advantage is in-app purchases (none vs 4) and iOS requirement (13.0 vs 15.1). On ads and device support there is nothing between them.

RootWords is free to download; CDR RDN costs $4.99 up front. RootWords sells 4 in-app purchases, starting at $1.99 per month. CDR RDN asks for nothing beyond the download.

## The numbers

| Metric | RootWords | CDR RDN |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/rootwords/id6503809963/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Freemium | — |
| Size | 38 MB | 12 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Charlotte O'Connell](https://appshunter.io/developer/1258048613) | [Boukeri Madiha](https://appshunter.io/developer/1787177418) |

## What reviewers say

### RootWords

[App page](https://appshunter.io/ios/app/rootwords/id6503809963)

Learn vocabulary by deconstructing words into their root parts. Discover meanings, build new words, and improve your understanding of English. Ideal for students and English language learners.

**Highlights:** Deconstruct words into root parts, Discover word meanings, Build new words from roots, Learn vocabulary for tests, Progress tracking, Daily streaks

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Test and Audio | $1.99 | per month |
| Full Access | $5.99 | per month |
| Test and Audio | $19.99 | per year |
| Full Access | $59.99 | per year |


### CDR RDN

[App page](https://appshunter.io/ios/app/cdr-rdn-registered-dietitian/id6755592150)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RootWords free?

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

### Is CDR RDN free?

CDR RDN costs $4.99, with no in-app purchases.

### Do RootWords or CDR RDN have ads?

Neither RootWords nor CDR RDN 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.*