# Co vs BetweenUs

The clearest difference is in-app purchases: Co at none against BetweenUs's 4. Co also leads on update cadence (every 4 days vs every 2 months). BetweenUs's advantage is ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. BetweenUs sells 4 in-app purchases, starting at $4.99 per month. Co asks for nothing beyond the download.

Co ships an update every 4 days, BetweenUs every 2 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Co | BetweenUs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/co-author/id6754661365/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 14 MB | 40 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Daniel Benjamin Ipsen](https://appshunter.io/developer/1849495769) | [TOMMY LEE GREEN](https://appshunter.io/developer/1892895706) |

## What reviewers say

### Co

[App page](https://appshunter.io/ios/app/co-author/id6754661365)

Transform your memories into written stories using photos, text, or voice. This AI-powered companion helps you focus on narrative creation, not prompt engineering. Share your finished pieces easily via text, email, or a web link.

**Highlights:** AI-powered writing assistance, Input via photos, text, or voice, Focus on storytelling, Shareable web links for stories, Collaboration tool

**Features:** macOS Compatibility

**In-app purchases:** none


### BetweenUs

[App page](https://appshunter.io/ios/app/betweenus-conflict-resolution/id6762560908)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BetweenUs Plus Monthly | $4.99 | per month |
| BetweenUs Plus Yearly | $39.99 | per year |
| Thread Unlock | $1.99 | one-time |
| BetweenUs Plus Lifetime | $199.99 | one-time |


## Frequently asked questions

### Is Co free?

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

### Is BetweenUs free?

BetweenUs is free to download, with in-app purchases available.

### Do Co or BetweenUs have ads?

Co shows ads; BetweenUs does not.

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

Co ships an update every 4 days, and BetweenUs every 2 months. Most recently, Co was updated on October 30, 2026 and BetweenUs on October 28, 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.*