Best Seaweed Sorter Apps & Games

250+ iOS apps & games curated and reviewed

4.7 avg rating

19 free apps & games

Updated September 2026

Seaweed Sorter is the household name in seaweed sorter, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Seaweed Sorter Apps & Games (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Seaweed Sorter	$3.99	5.0★ (7)	No	No	Sep 2026
2	SeaKey	Free	5.0★ (1)	No	No	Aug 2026
3	Sargassum	Free	—	No	No	Jul 2026
4	e-Seaweed	Free	—	No	No	Aug 2026
5	Water Sorter	Free	4.7★ (30K)	Yes	Yes	Sep 2026
6	Verdict: Photo Sorter	Free	—	No	No	Aug 2026
7	Introlab	Free	—	No	No	Aug 2026
8	SeagrassSpotter	Free	—	No	No	May 2026

Top Picks for Seaweed Sorter

#1

Seaweed Sorter by Patrick Martone

Pacific Northwest edition

Editor's Choice

5.0(7 ratings)

$3.99

Seaweed Sorter screenshot 1

Seaweed Sorter screenshot 2

Seaweed Sorter screenshot 3

Seaweed Sorter screenshot 4

Seaweed Sorter screenshot 5

Seaweed Sorter screenshot 6

Identify 130 species of macroalgae from the Pacific Northwest with illustrated, jargon-free questions. Features over 300 photos, taxonomic details, and descriptions. Content is updated frequently and available offline.

#2

SeaKey by Code for Nature

Identify Seaweeds

Strong Contender

📚 Books

5.0(1 ratings)

Free

SeaKey screenshot 1

SeaKey screenshot 2

SeaKey screenshot 3

SeaKey screenshot 4

SeaKey screenshot 5

SeaKey screenshot 6

This toolbox helps identify seaweeds found in the German North Sea. It features an interactive key for species identification and detailed taxon profiles for verification. A glossary is also included to explain scientific terms.

#3

Sargassum by Donald Schlack

Report seaweed on beaches

Worth Considering

0.0(0 ratings)

Free

Sargassum screenshot 1

Sargassum screenshot 2

Sargassum screenshot 3

Sargassum screenshot 4

Sargassum screenshot 5

More Seaweed Sorter apps to explore

by Traceall Global Limited

Can you fix the colorful mix?

Engage in a soothing puzzle experience by sorting colored water into matching glasses. Tap to pour and strategically fill each container to complete levels in this charmingly challenging game.

Color water sortingChallenging yet soothing puzzlesSimple tap-to-pour mechanics

Verdict: Photo Sorter

Verdict: Photo Sorter

Verdict: Photo Sorter

Sort thousands of photos fast.

📷 Photo & Video

Outperform the Norm

📊 Productivity

SeagrassSpotter

SeagrassSpotter

SeagrassSpotter

by Project Seagrass

Contribute to global seagrass conservation by reporting your sightings. Your data helps researchers understand seagrass meadows, their distribution, and threats, enabling targeted conservation efforts worldwide.

Citizen science contributionsGlobal seagrass monitoringData for conservation action

by Oceanfarmr Pty Ltd

BestPick -Simple Album Cleanup

BestPick -Simple Album Cleanup

BestPick -Simple Album Cleanup

Clean up your photo album

UnderwaterHarvest

UnderwaterHarvest

UnderwaterHarvest

Are you ready to go deep?

Simple Photo Cleanup

This app helps you declutter your device by scanning and organizing photos and files. It identifies duplicates and similar items, allowing you to efficiently manage your storage space. The interface is designed for simplicity, putting you in control of what to review and remove.

Scan photos and filesIdentify duplicates and similar itemsOrganize media by type and size

Tide Charts & Currents

Get tide charts and current predictions worldwide. See water levels, high/low tide times, and sun/moon data at a glance. Plan your outdoor activities with ease.

Nearby tide and current stationsGraphical tide chartsReadable tide tables

free with in-app purchases

Clean Ocean Ensemble

Clean Ocean Ensemble

Clean Ocean Ensemble

Impact of Ensemble

📊 Productivity

by Southeast Asian Fisheries Development Center

🛍️ Shopping

Infinity Jam: Water Sort Game

Infinity Jam: Water Sort Game

Infinity Jam: Water Sort Game

Sort colors and fill bottle

by bugra bayrak

Farmers Seafood Company

Farmers Seafood Company

Farmers Seafood Company

by CUT AND DRY INC

Goods Frenzy: Closet Sort

Goods Frenzy: Closet Sort

Goods Frenzy: Closet Sort

Engage in a thrilling triple-match and sorting adventure. Organize goods to unlock themed stores, overcome challenges with boosters, and compete on leaderboards. Enjoy hundreds of levels and offline play in this satisfying puzzle experience.

Triple matching gameplayOrganize goods to unlock storesUse boosters for challenges

free with in-app purchases

Water Sort Puzzle: Liquid Sort

Water Sort Puzzle: Liquid Sort

Water Sort Puzzle: Liquid Sort

Fun and Addictive Puzzle Game.

FAQ about Seaweed Sorter

What are the best seaweed sorter apps & games for iPhone?

Seaweed Sorter tops our seaweed sorter apps & games ranking as of September 2026, with a 5.0-star average from 7 App Store ratings, and it's priced at $3.99.

Are there free seaweed sorter apps & games for iPhone?

Yes — 19 of the top seaweed sorter apps & games we rank are free to download, including SeaKey and Sargassum.

Does Seaweed Sorter have ads or in-app purchases?

Seaweed Sorter has no ads and has no in-app purchases, according to its App Store listing as of September 2026.

How many seaweed sorter apps & games are on the App Store?

We track 250+ seaweed sorter apps & games on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

What is the price of Seaweed Sorter?

Seaweed Sorter is a paid app, priced at $3.99. This one-time purchase grants you access to all its features and content.

How often is Seaweed Sorter updated?

The app's content is designed to be updated frequently, with the latest version released on 2026-01-12. Updates will include taxonomic revisions, new species, and additional photos.