# Co vs ElevateScience 6

The clearest difference is update cadence: Co at every 4 months against ElevateScience 6's every 37 months. Co also leads on rating (2.6 vs 2.4). ElevateScience 6's advantage is review sentiment (25% vs 8%). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Co holds the better App Store score, 2.6 against 2.4. Both are backed by a comparable volume of ratings — 17 and 9 respectively. Written reviews complicate that: 8% of Co's written reviews are positive against 25% of ElevateScience 6's, so the app with the better star average is not the one people write more warmly about.

Co ships an update every 4 months, ElevateScience 6 every 37 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | Co | ElevateScience 6 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (17 ratings)](https://appshunter.io/ios/app/cowriter-universal/id915105799/reviews)** | [2.4 (9 ratings)](https://appshunter.io/ios/app/elevatescience-6-8-vocab/id1331644205/reviews) |
| Number of ratings | **17** | 9 |
| Positive reviews | 8.3% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 37 months |
| Monetization | Free | Free |
| Size | 45 MB | 45 MB |
| Requires iOS | 10.0 | 10.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Don Johnston Incorporated](https://appshunter.io/developer/674099735) | [Savvas Learning Company LLC](https://appshunter.io/developer/1521350472) |

## What reviewers say

### Co

[App page](https://appshunter.io/ios/app/cowriter-universal/id915105799)

This app provides advanced word prediction and spelling support for students. It offers grammar-smart suggestions and access to millions of topic-specific dictionaries to aid in writing. Built-in text-to-speech functionality helps users review their work.

**Highlights:** Grammar-smart word prediction, Millions of topic-specific dictionaries, Flexspell™ technology for spelling errors, Built-in text-to-speech, Personalized vocabulary and settings

**Features:** macOS Compatibility

**In-app purchases:** none


### ElevateScience 6

[App page](https://appshunter.io/ios/app/elevatescience-6-8-vocab/id1331644205)

This educational app helps middle school students master key science vocabulary from a specific program. It offers interactive flashcards and a voice recording feature for pronunciation practice, allowing students to learn at their own pace with text and audio support.

**Highlights:** Key term flashcards, Voice recording for pronunciation practice, Text and audio support, Self-paced learning, Study science vocabulary

**In-app purchases:** none


## Frequently asked questions

### Is Co free?

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

### Is ElevateScience 6 free?

ElevateScience 6 is free to download, with no in-app purchases.

### Which has better reviews, Co or ElevateScience 6?

Co is rated higher. Co averages 2.6 out of 5 from 17 ratings, while ElevateScience 6 averages 2.4 from 9 ratings.

### Do Co or ElevateScience 6 have ads?

Neither Co nor ElevateScience 6 shows ads.

### Which is updated more often, Co or ElevateScience 6?

Co ships an update every 4 months, and ElevateScience 6 every 37 months. Most recently, Co was updated on October 29, 2026 and ElevateScience 6 on October 29, 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.*