Comparison

Phyto vs SeaPhoto

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

Head to head
About

Phyto

Learn to identify common marine and freshwater phytoplankton with this educational app. It features a comprehensive identification guide, flashcards, and interactive games to aid learning. Developed with support from NOAA, it's designed for both iPhone and iPad.

Highlights
  • Phytoplankton identification guide
  • Marine and freshwater species
  • Flash cards for learning
  • Interactive identification games
  • Species details and photos
  • Submit observation results
Features
Read full description

Phyto helps you learn to identify phytoplankton and their proper pronunciation. It includes the most common marine and freshwater phytoplankton. --------------------- Phyto Version 2.0 - Completely redesigned! --------------------- - Many new species added with more details and photos. - Freshwater and Marine species now included - Flash Cards and Fast Phyto: two games to help learn how to identify phytoplankton - Species Identification Guide - Phytoplankton Monitoring Network volunteers can submit sample observation results - Embedded news and information browser - Universal App: now works well on both the iPhone and iPad (support for all screen sizes and resolutions) ----------------- This application was developed by the Phytoplankton Monitoring Network which is sponsored by the Center for Coastal Environmental Health and Biomolecular Research division of the U.S. National Oceanic and Atmospheric Administration (NOAA).

About

SeaPhoto

Explore a vast collection of high-quality images and detailed ecological information about marine life in the Monterey Bay National Marine Sanctuary. Browse species by name or functional group, with photos downloaded on demand and stored for offline access.

Highlights
  • 1,650+ high-quality marine life images
  • 631+ species with ecological information
  • Browse by common/scientific name
  • Filter by functional group
  • On-demand photo download
  • Offline photo storage
  • Share photos via Twitter/email
Features
Read full description

This application provides access to over 1,650 high quality images of over 631 species of marine life of the Monterey Bay National Marine Sanctuary, including over 130 species with detailed ecological information. You can browse by common or scientific name within all species at once, or by large functional group (birds, marine mammals, fishes, invertebrates, and algae). This app is lightweight and can be downloaded over a cellular connection. Each photo is downloaded “on demand” over a cellular connection, and subsequently become permanently stored on your iOS device for immediate access in the future. You can even share your favorite photos through Twitter and email. One of our nation’s most spectacular marine protected areas, the Monterey Bay National Marine Sanctuary is filled with an amazing array of wildlife – from tiny shrimp to giant blue whales. Stretching along the central coast from San Francisco to Cambria, the sanctuary includes pristine beaches, jewel-like tide pools, lush kelp forests, steep canyons and an offshore seamount hosting 34 species of marine mammals, more than 100 species of seabirds and shorebirds, more than 400 species of fish and countless invertebrates and algae. We invite you to explore and help protect this national undersea treasure.

Screenshots

Phyto4 screens
SeaPhoto4 screens

Verdict

The call

The clearest difference is review sentiment: SeaPhoto at 100% against Phyto's 64%. SeaPhoto also leads on rating (5.0 vs 4.8) and iOS requirement (8.0 vs 15.0). Phyto's advantage is update cadence (every 10 months vs every 22 months) and ratings volume (6 vs 2). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

SeaPhoto holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews point the same way: 64% of Phyto's written reviews are positive against 100% of SeaPhoto's.

UpkeepUpdate frequency

Phyto ships an update every 10 months, SeaPhoto every 22 months. The most recent releases landed on September 21, 2026 and October 12, 2026 respectively.

Scorecard5 real differences · 5 level
Phyto versus SeaPhoto: the parameters behind the verdict, then further details
ParameterPhytoSeaPhoto
PriceFreeFree
Rating4.8 (6 ratings)5.0 (2 ratings) — better
Positive reviews64.3% of reviews100.0% of reviews — better
Number of ratings6 — better2
Update frequencyEvery 10 months — betterEvery 22 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.08.0 — better
Further details — not scored
Size81 MB54 MB
Age rating4+4+
DeveloperGano Technologies LLCMonterey Bay Marine Sanctuary Foundation

Customer experience

Phyto

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews14 reviews
Positive64.3%
Neutral7.1%
Negative28.6%

SeaPhoto

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews12 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Phyto

No in-app purchases

None

SeaPhoto

No in-app purchases

Questions

Is Phyto free?
Phyto is free to download, with no in-app purchases.
Is SeaPhoto free?
SeaPhoto is free to download, with no in-app purchases.
Which has better reviews, Phyto or SeaPhoto?
SeaPhoto is rated higher. Phyto averages 4.8 out of 5 from 6 ratings, while SeaPhoto averages 5.0 from 2 ratings.
Do Phyto or SeaPhoto have ads?
Neither Phyto nor SeaPhoto shows ads.
Which is updated more often, Phyto or SeaPhoto?
Phyto ships an update every 10 months, and SeaPhoto every 22 months. Most recently, Phyto was updated on September 21, 2026 and SeaPhoto on October 12, 2026.

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