Comparison

iStreams Lands End vs Wadnav

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iStreams Lands End

Access tidal stream charts for coastal navigation, even offline. Automatically displays correct hourly charts based on High Water at Devonport. Offers tools for calculating stream rates, tidal set, and course to steer.

Highlights
  • Real-time tidal stream charts
  • Offline functionality
  • Automatic chart updates
  • Interpolated Rate Calculator
  • Tidal Set Tool (IAP)
  • Course to Steer (IAP)
Features
Read full description

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

About

Wadnav

Features
Read full description

Navigatie over het wad was nog nooit zo makkelijk. Binnen een app kan je op ieder moment zien hoe hoog het water staat, hoe het stroomt en hoe de wind staat. Plan routes, selecteer getij stations.

Screenshots

iStreams Lands End4 screens
Wadnav4 screens

Verdict

The call

The clearest difference is in-app purchases: Wadnav at none against iStreams Lands End's 6. Wadnav also leads on update cadence (every 5 weeks vs every 3 months) and iOS requirement (13.0 vs 18.4). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. iStreams Lands End sells 6 one-off in-app purchases. Wadnav asks for nothing beyond the download.

UpkeepUpdate frequency

iStreams Lands End ships an update every 3 months, Wadnav every 5 weeks. The most recent releases landed on October 12, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 6 level
iStreams Lands End versus Wadnav: the parameters behind the verdict, then further details
ParameteriStreams Lands EndWadnav
PriceFreeFree
Rating2.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.413.0 — better
Further details — not scored
Size39 MB33 MB
Age rating4+4+
DeveloperNavtech SoftwarePieter Oskam

In-app purchases

6 purchases

iStreams Lands End

One-time6
  • Unlock Set tool$1.99
  • Devonport Tides 2019$2.99
  • 6 Month Subscription$2.99
Show 3 more
  • 1 Month Subscription$2.99
  • Unlock CTS tool$3.99
  • 1 Year Subscription$5.99
None

Wadnav

No in-app purchases

Questions

Is iStreams Lands End free?
iStreams Lands End is free to download, with in-app purchases available.
Is Wadnav free?
Wadnav is free to download, with no in-app purchases.
Do iStreams Lands End or Wadnav have ads?
Neither iStreams Lands End nor Wadnav shows ads.
Which is updated more often, iStreams Lands End or Wadnav?
iStreams Lands End ships an update every 3 months, and Wadnav every 5 weeks. Most recently, iStreams Lands End was updated on October 12, 2026 and Wadnav on October 28, 2026.

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