# Trek Diaper vs Copailot

The clearest difference is in-app purchases: Trek Diaper at none against Copailot's 3. Trek Diaper also leads on iOS requirement (9.0 vs 16.4). Copailot's advantage is update cadence (weekly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Copailot sells 3 in-app purchases, starting at $4.99 per month. Trek Diaper asks for nothing beyond the download.

Trek Diaper ships an update every 3 months, Copailot weekly. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Trek Diaper | Copailot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 24 MB | 49 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Trek2000](https://appshunter.io/developer/409284633) | [PATRICIO RUSTAN](https://appshunter.io/developer/6806887574) |

## What reviewers say

### Trek Diaper

[App page](https://appshunter.io/ios/app/trek-diaper/id1189867037)

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

**In-app purchases:** none


### Copailot

[App page](https://appshunter.io/ios/app/copailot/id6807521587)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Copailot Monthly | $4.99 | per month |
| Copailot Six Month | $24.99 | per 6 months |
| Copailot Yearly | $39.99 | per year |


## Frequently asked questions

### Is Trek Diaper free?

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

### Is Copailot free?

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

### Do Trek Diaper or Copailot have ads?

Neither Trek Diaper nor Copailot shows ads.

### Which is updated more often, Trek Diaper or Copailot?

Trek Diaper ships an update every 3 months, and Copailot weekly. Most recently, Trek Diaper was updated on October 12, 2026 and Copailot on October 25, 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.*