# Co vs StartSOLE

The clearest difference is review sentiment: StartSOLE at 100% against Co's 8%. StartSOLE also leads on rating (5.0 vs 2.6) and update cadence (fortnightly vs every 4 months). 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.

StartSOLE holds the better App Store score, 5.0 against 2.6. Both are backed by a comparable volume of ratings — 17 and 6 respectively. Written reviews point the same way: 8% of Co's written reviews are positive against 100% of StartSOLE's.

Co ships an update every 4 months, StartSOLE fortnightly. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Co | StartSOLE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (17 ratings)](https://appshunter.io/ios/app/cowriter-universal/id915105799/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/startsole/id1097411683/reviews)** |
| Number of ratings | **17** | 6 |
| Positive reviews | 8.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 45 MB | 68 MB |
| Requires iOS | 10.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Don Johnston Incorporated](https://appshunter.io/developer/674099735) | [LudiVita OG](https://appshunter.io/developer/848249133) |

## 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


### StartSOLE

[App page](https://appshunter.io/ios/app/startsole/id1097411683)

This app facilitates inquiry-based learning in classrooms by providing a framework for collaborative research and presentation. It offers thousands of questions aligned to state standards, lesson planning tools, and a community for educators to connect and share resources.

**Highlights:** Thousands of big questions aligned to state standards, Integrated lesson plans, Facilitation and reflection tools, Global educator community, Continuing education units, Printable resources

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Co free?

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

### Is StartSOLE free?

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

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

StartSOLE is rated higher. Co averages 2.6 out of 5 from 17 ratings, while StartSOLE averages 5.0 from 6 ratings.

### Do Co or StartSOLE have ads?

Neither Co nor StartSOLE shows ads.

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

Co ships an update every 4 months, and StartSOLE fortnightly. Most recently, Co was updated on November 1, 2026 and StartSOLE on November 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*