# iStreams Channel Islands vs ProSkipper

The clearest difference is in-app purchases: ProSkipper at none against iStreams Channel Islands's 7. ProSkipper also leads on iOS requirement (14.0 vs 18.2). iStreams Channel Islands's advantage is device support. On price there is nothing between them.

Both are free to download. iStreams Channel Islands sells 7 one-off in-app purchases. ProSkipper asks for nothing beyond the download.

## The numbers

| Metric | iStreams Channel Islands | ProSkipper |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 49 MB |
| Requires iOS | 18.2 | **14.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Navtech Software](https://appshunter.io/developer/355517263) | [Amiltone](https://appshunter.io/developer/1030394190) |

## What reviewers say

### iStreams Channel Islands

[App page](https://appshunter.io/ios/app/istreams-channel-islands/id1223503159)

This app provides real-time Channel Islands tidal stream data, functioning offline. It offers tools for measuring tide set and rate, and calculating Course to Steer. Plan your voyages with hourly charts and precise navigational information.

**Highlights:** Hourly tidal stream atlas, Offline functionality, Tide set and rate measurement, Course to Steer calculation, Local and UTC time options, Boat position display on chart, Zoomable charts

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Set tool | $1.99 | one-time |
| Dover Tides 2018 | $2.99 | one-time |
| Dover Tides 2019 | $2.99 | one-time |
| 6 Month Subscription | $2.99 | one-time |
| 1 Month Subscription | $2.99 | one-time |
| Unlock CTS tool | $3.99 | one-time |
| 1 Year Subscription | $5.99 | one-time |


### ProSkipper

[App page](https://appshunter.io/ios/app/proskipper/id6476200710)

**In-app purchases:** none


## Frequently asked questions

### Is iStreams Channel Islands free?

iStreams Channel Islands is free to download, with in-app purchases available.

### Is ProSkipper free?

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

---

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