# Co vs KOOV®

The clearest difference is rating: KOOV® at 4.8 against Co's 2.6. Co's advantage is device support (3 vs 1) and iOS requirement (10.0 vs 12.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

KOOV® holds the better App Store score, 4.8 against 2.6. Both are backed by a comparable volume of ratings — 17 and 6 respectively.

Co ships an update every 4 months, KOOV® every 2 months. The most recent releases landed on October 20, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Co | KOOV® |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (17 ratings)](https://appshunter.io/ios/app/cowriter-universal/id915105799/reviews) | **[4.8 (6 ratings)](https://appshunter.io/ios/app/koov/id1188974713/reviews)** |
| Number of ratings | **17** | 6 |
| Positive reviews | 8.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 45 MB | 272 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Don Johnston Incorporated](https://appshunter.io/developer/674099735) | [Sony Global Education, Inc.](https://appshunter.io/developer/994421997) |

## 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


### KOOV®

[App page](https://appshunter.io/ios/app/koov/id1188974713)

This educational app teaches coding and robotics through interactive lessons and hands-on robot building. Users can follow pre-written code, earn badges for completing courses, and create their own unique robot designs.

**Highlights:** 3D building guide, Visual programming with coding blocks, Robot Recipes with pre-written code, Learning Course with badges, Free Production for custom robots, Collection of activities and creations

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Co free?

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

### Is KOOV® free?

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

### Which has better reviews, Co or KOOV®?

KOOV® is rated higher. Co averages 2.6 out of 5 from 17 ratings, while KOOV® averages 4.8 from 6 ratings.

### Do Co or KOOV® have ads?

Neither Co nor KOOV® shows ads.

### Which is updated more often, Co or KOOV®?

Co ships an update every 4 months, and KOOV® every 2 months. Most recently, Co was updated on October 20, 2026 and KOOV® on October 26, 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.*