# Co vs Blocks4All

The clearest difference is rating: Blocks4All at 5.0 against Co's 2.6. Co's advantage is ratings volume (17 vs 1) and device support (3 vs 1). On price, update cadence, 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.

Blocks4All holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: Co has 17 ratings behind it against 1, so its average is the more settled of the two.

Co ships an update every 4 months, Blocks4All every 6 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | Co | Blocks4All |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (17 ratings)](https://appshunter.io/ios/app/cowriter-universal/id915105799/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/blocks4all/id1446492589/reviews)** |
| Number of ratings | **17** | 1 |
| Positive reviews | 8.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 45 MB | 70 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) | [Lauren Milne](https://appshunter.io/developer/1446492588) |

## 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


### Blocks4All

[App page](https://appshunter.io/ios/app/blocks4all/id1446492589)

This app provides a block-based programming interface designed for accessibility. It is compatible with VoiceOver and Switch Control, allowing users to program robots. Ideal for educational settings.

**Highlights:** Block-based programming, VoiceOver compatibility, Switch Control support, Dash and Dot robot programming, Educational tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Co free?

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

### Is Blocks4All free?

Blocks4All is free to download, with no in-app purchases.

### Which has better reviews, Co or Blocks4All?

Blocks4All is rated higher. Co averages 2.6 out of 5 from 17 ratings, while Blocks4All averages 5.0 from 1 ratings.

### Do Co or Blocks4All have ads?

Neither Co nor Blocks4All shows ads.

### Which is updated more often, Co or Blocks4All?

Co ships an update every 4 months, and Blocks4All every 6 months. Most recently, Co was updated on October 29, 2026 and Blocks4All 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.*