# iStreams Lands End — Live and future tidal streams

> Offline tidal stream atlas for coastal navigation and passage planning. (iPhone/iPad app by Navtech Software.)

- Source: https://appshunter.io/ios/app/istreams-lands-end/id1456741620 (this page in markdown: same URL + `.md`)
- Developer: [Navtech Software](https://appshunter.io/developer/355517263)
- Category: Navigation, Utilities
- Price: Free with in-app purchases
- Rating: 2.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 18.4 · 39 MB
- Languages: French (France), German (Germany), American English, Danish, Norwegian Bokmål, Dutch
- Released: 2019-03-25
- Data updated: 2026-08-13
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/istreams-lands-end/id1456741620/reviews.md

## What is iStreams Lands End?

iStreams gives you instant access to the Lands End tidal stream atlas, aligned to the current time using High Water at Devonport — even when you're offline.

Whether you're sailing, navigating coastal waters, or passage planning, iStreams helps you understand tidal flow quickly and accurately.

Key Features:
Real-time tidal stream charts
Automatically displays the correct hourly chart based on the nearest Devonport High Water time.
Fully offline functionality  (forecast link requires a connection)
No signal? No problem. All charts and tools work without internet access.
Automatic chart updates
As time progresses, the app switches to the next valid tidal period.
Swipe forward and backward through tidal hours with ease.
Pinch to zoom and drag to explore details.
Toggle between Local Time and UTC.
Show boat position on the chart

Navigation Tools:
Interpolated Rate Calculator
    *  Instantly calculate stream rate between neaps and springs.
Tidal Set Tool (In-App Purchase)
     * Measure the true direction of tidal stream arrows with precision.
Course to Steer (CTS) (In-App Purchase)
     * Calculate the correct heading to maintain your intended course.

How It Works:
iStreams automatically selects the nearest High Water at Devonport and displays the corresponding tidal stream chart.

Want to plan ahead or review earlier conditions? Simply swipe forward or backward through the tidal hours to view past or future data.

Why Choose iStreams?
Designed for sailors, navigators, and coastal users
Fast, clear, and easy-to-use interface
Accurate tidal data when you need it most

## Key features

- Real-time tidal stream charts
- Offline functionality
- Automatic chart updates
- Interpolated Rate Calculator
- Tidal Set Tool (IAP)
- Course to Steer (IAP)

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

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



## Frequently asked questions about iStreams Lands End

### What is iStreams Lands End?

iStreams Lands End provides instant access to tidal stream charts, aligned to the current time using High Water at Devonport. It is designed for sailing, navigating coastal waters, and passage planning, offering accurate tidal flow information.

### Does iStreams Lands End work offline?

Yes, all charts and navigation tools within iStreams Lands End function without an internet connection. Only the forecast link requires a connection.

### What navigation tools are available in iStreams Lands End?

The app includes an Interpolated Rate Calculator to instantly calculate stream rates between neaps and springs. Additional tools like the Tidal Set Tool and Course to Steer (CTS) are available as in-app purchases for more precise measurement and calculation.

### How does iStreams Lands End determine the correct tidal chart?

iStreams Lands End automatically selects the nearest High Water at Devonport and displays the corresponding tidal stream chart for that time. Users can also swipe forward or backward through tidal hours to view past or future data.

### What is the price of iStreams Lands End?

iStreams Lands End is free to download and use. However, certain advanced navigation tools, such as the Tidal Set Tool and Course to Steer, are available as in-app purchases.

### What devices is iStreams Lands End compatible with?

iStreams Lands End is available for iPhone and iPad devices.

### How often is iStreams Lands End updated?

The latest version of iStreams Lands End is 3.09, which was last updated on May 31, 2026. This indicates regular updates to ensure functionality and data accuracy.

### What is the age rating for iStreams Lands End?

iStreams Lands End has an age rating of 4+, making it suitable for a wide range of users.

## Version history (last 5 releases)

### 3.10 — 2026-07-28

Localisations and minor bug fixes

### 3.09 — 2026-05-31

Chart data card now draggable to preferred position
Fix for malformed text when user has set large font for device

### 3.07 — 2026-05-27

Improved performance
Updated user interface
bug fixes

### 3.06 — 2026-05-25

Improved performance
Updated user interface

### 3.04 — 2026-05-18

Improved performance
Updated user interface

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## More apps by Navtech Software

- [E6b Pilot — Flight Computer](https://appshunter.io/ios/app/e6b-pilot-flight-computer/id368495864)
- [iPlotter Solent](https://appshunter.io/ios/app/iplotter-solent/id397677340)
- [Dutchman's Log](https://appshunter.io/ios/app/dutchmans-log/id474782184)
- [iHeatLoss](https://appshunter.io/ios/app/iheatloss/id680564773)
- [Easter Match Puzzle](https://appshunter.io/ios/app/easter-match-puzzle/id836681161)
- [iStreams Channel Islands](https://appshunter.io/ios/app/istreams-channel-islands/id1223503159)

All apps by Navtech Software: https://appshunter.io/developer/355517263

## Related topics

[istreams lands end](https://appshunter.io/ios/topics/istreams-lands-end) · [istreams west scotland](https://appshunter.io/ios/topics/istreams-west-scotland) · [istreams english channel](https://appshunter.io/ios/topics/istreams-english-channel) · [istreams solent](https://appshunter.io/ios/topics/istreams-solent) · [istreams north sea](https://appshunter.io/ios/topics/istreams-north-sea)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-13.*