Phyto vs SeaPhoto
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Phytoplankton identification guide
- Marine and freshwater species
- Flash cards for learning
- Interactive identification games
- Species details and photos
- Submit observation results
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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).
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | Phyto | SeaPhoto |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (6 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 64.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 — better | 2 |
| Update frequency | Every 10 months — better | Every 22 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 81 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Gano Technologies LLC | Monterey Bay Marine Sanctuary Foundation |
Customer experience
Phyto
SeaPhoto
In-app purchases
Phyto
No in-app purchases
SeaPhoto
No in-app purchases
Questions
Is Phyto free?
Is SeaPhoto free?
Which has better reviews, Phyto or SeaPhoto?
Do Phyto or SeaPhoto have ads?
Which is updated more often, Phyto or SeaPhoto?
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