Best Seaweed Apps & Games

113+ iOS apps & games curated and reviewed

4.5 avg rating
18 free apps & games
Updated November 2026

The best seaweed apps and games on iPhone average 4.5★ across 113+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.

Compare top Seaweed Apps & Games (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Seaweed RBNYSeaweed RBNYFree3.7★ (3)NoNoOct 2026
2MSW Surf ForecastMSW Surf ForecastFree4.8★ (15K)YesYesNov 2026
3SargassumSargassumFree5.0★ (1)NoNoOct 2026
4SeaKeySeaKeyFree5.0★ (1)NoNoAug 2026
5Seaweed SorterSeaweed Sorter$3.995.0★ (7)NoNoSep 2026
6e-Seaweede-SeaweedFree—NoNoAug 2026
7Fangass: Sargassum ForecastFangass: Sargassum ForecastFree—NoNoAug 2026
8AlgaIDAlgaIDFree—NoYesNov 2026

Top Picks for Seaweed

Seaweed RBNY#1

Seaweed RBNY by Seaweed RBNY Inc

Come Say "HIGH!"
Editor's Choice
🏥 Medical
3.7(3 ratings)
Free
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Browse a wide selection of cannabis products, including flower, concentrates, edibles, and topicals. Submit orders for convenient pickup or delivery, and track your rewards for in-store or online redemptions. Get quick answers to your questions via live chat.

MSW Surf Forecast#2

MSW Surf Forecast by Surfline/Wavetrak

MSW is now Surfline
Strong Contender
☀️ Weather
4.8😊(15K ratings)
FreeAdsIn-App Purchases
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Access comprehensive surf forecasts, live surf cams, and expert reports for breaks worldwide. Plan future surf trips with 16-day forecasts and relive your sessions with wave analysis and video playback. Shop surf gear and stay updated on surf news.

What We Love

  • 🌊 Accurate surf forecasts
  • 📊 Detailed wave and weather information
  • 🗺️ Comprehensive coverage of surf spots
  • ⏱️ Helpful tide and sunrise/sunset times
  • 🎨 Intuitive and user-friendly interface
  • 🔍 Useful camera views of surf conditions
  • 🌍 Global coverage for traveling surfers

Room to Improve

  • 🐛 Occasional inaccuracies in forecasts
  • 💰 Paywall for some features (e.g., webcams)
  • 🔍 Limited number of spots in some regions
  • 🔀 Navigation changes can be confusing
  • 🔋 Concerns about battery drain
Sargassum#3

Sargassum by Donald Schlack

Report seaweed on beaches
Worth Considering
📚 Education
5.0(1 ratings)
Free
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This app allows users to report the coverage and thickness of seaweed on beaches, optionally including photos. The collected data, along with user coordinates, helps scientists document environmental changes over time. Recent reports are visualized on a map.

More Seaweed apps to explore

FAQ about Seaweed

What are the best seaweed apps & games for iPhone?
Seaweed RBNY tops our seaweed apps & games ranking as of November 2026, with a 3.7-star average from 3 App Store ratings, and it's free to download.
Yes — 18 of the top seaweed apps & games we rank are free to download, including Seaweed RBNY and MSW Surf Forecast.
Seaweed RBNY has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 113+ seaweed apps & games on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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