# Co vs Square Panda Bubbles

The clearest difference is rating: Square Panda Bubbles at 4.1 against Co's 2.6. Square Panda Bubbles also leads on review sentiment (50% vs 8%) and update cadence (every 6 weeks vs every 4 months). Co's advantage is device support (3 vs 1). 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.

Square Panda Bubbles holds the better App Store score, 4.1 against 2.6. Both are backed by a comparable volume of ratings — 17 and 9 respectively. Written reviews point the same way: 8% of Co's written reviews are positive against 50% of Square Panda Bubbles's.

Co ships an update every 4 months, Square Panda Bubbles every 6 weeks. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Co | Square Panda Bubbles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (17 ratings)](https://appshunter.io/ios/app/cowriter-universal/id915105799/reviews) | **[4.1 (9 ratings)](https://appshunter.io/ios/app/square-panda-bubbles/id1162301083/reviews)** |
| Number of ratings | **17** | 9 |
| Positive reviews | 8.3% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 45 MB | 146 MB |
| Requires iOS | 10.0 | **8.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Don Johnston Incorporated](https://appshunter.io/developer/674099735) | [Square Panda Inc.](https://appshunter.io/developer/1088414097) |

## 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


### Square Panda Bubbles

[App page](https://appshunter.io/ios/app/square-panda-bubbles/id1162301083)

This educational game helps young children learn letter sounds, phonics, and new words by popping bubbles. It's designed for ages 2-5 and is compatible with the Square Panda Playset, using smart letters to reinforce learning.

**Highlights:** Learn letter sounds, Phonics instruction, Word building, Spelling practice, Vocabulary comprehension, Concepts about print

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Co free?

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

### Is Square Panda Bubbles free?

Square Panda Bubbles is free to download, with no in-app purchases.

### Which has better reviews, Co or Square Panda Bubbles?

Square Panda Bubbles is rated higher. Co averages 2.6 out of 5 from 17 ratings, while Square Panda Bubbles averages 4.1 from 9 ratings.

### Do Co or Square Panda Bubbles have ads?

Neither Co nor Square Panda Bubbles shows ads.

### Which is updated more often, Co or Square Panda Bubbles?

Co ships an update every 4 months, and Square Panda Bubbles every 6 weeks. Most recently, Co was updated on November 1, 2026 and Square Panda Bubbles on November 2, 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.*