Deep Blue Divers Fish Guide vs Tetiaroa Fish Guide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Deep Blue Divers Fish Guide
Identify marine life encountered while scuba diving or snorkeling at Six Senses Resort, Laamu. Browse fish species by flipping through pages or search by color and shape. Log your sightings with notes and photos.
- Fish identification by color, shape, family, and name
- Detailed fish profiles with multiple photos
- Logbook to save sightings and add notes
- Searchable fish database
- Works on iPhone and iPad
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Updated July, 2026. Covers most fish species seen by scuba divers and snorkelers at Six Senses Resort, Laamu. Flip through screens like pages of a book, or find a fish quickly by color or shape. Up to 5 photos per fish -- showing juveniles, males, females, color variations. - Targeted to scuba divers and snorkelers. - Identify fish by color, shape, family group, scientific name, English name. - Logbook: save fish, add notes, share Logbook. - Works great on iPads too. - Photos from Laamu unless noted. Created by John Hoover, author of Hawaii's best-selling marine life ID books: The Ultimate Guide to Hawaiian Reef Fishes, and: Hawaii's Sea Creatures, a Guide to Hawaii's Marine Invertebrates. Check them out on Amazon. Additional photos by Gerald Allen.
Tetiaroa Fish Guide
Identify common shallow-water reef fish in the Tetiaroa Atoll lagoon with this guide designed for snorkelers. Browse species like a book or search by color and shape, viewing up to five photos per fish. Save identified fish with notes and share your discoveries.
- Identify 134 fish species
- Search by color, shape, or name
- Multiple photos per fish
- Logbook for saved sightings
- Works on iPhone and iPad
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Updated February 2021. Identify common shallow-water reef fish seen by snorkelers in the Tetiaroa Atoll lagoon. Flip through screens like pages of a book, or find a fish quickly by color or shape. Up to 5 photos per fish -- showing juveniles, males, females, color variations. - Designed for snorkelers - 134 species / 289 photos - Identify fish by color, shape, family group, scientific name, Tahitian name, English name. - Multiple photos of most fish. - Logbook: save fish, add notes, share Logbook (text only). - Works great on iPads too. Created for the Tetiaroa Society by John Hoover, author of Hawaii's best-selling marine life ID books: The Ultimate Guide to Hawaiian Reef Fishes, and: Hawaii's Sea Creatures, a Guide to Hawaii's Marine Invertebrates. Check them out on Amazon.
Screenshots
Verdict
The clearest difference is rating: Tetiaroa Fish Guide at 5.0 against Deep Blue Divers Fish Guide's 4.5. Tetiaroa Fish Guide also leads on review sentiment (100% vs 89%) and iOS requirement (9.0 vs 15.6). Deep Blue Divers Fish Guide's advantage is update cadence (every 5 weeks vs every 13 months). On price, ratings volume, ads and in-app purchases 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.
Tetiaroa Fish Guide holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 8 and 6 respectively. Written reviews point the same way: 89% of Deep Blue Divers Fish Guide's written reviews are positive against 100% of Tetiaroa Fish Guide's.
Deep Blue Divers Fish Guide ships an update every 5 weeks, Tetiaroa Fish Guide every 13 months. The most recent releases landed on November 8, 2026 and November 2, 2026 respectively.
| Parameter | Deep Blue Divers Fish Guide | Tetiaroa Fish Guide |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (8 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 88.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 8 — better | 6 |
| Update frequency | Every 5 weeks — better | Every 13 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 9.0 — better |
| Further details — not scored | ||
| Size | 227 MB | 201 MB |
| Age rating | 4+ | 4+ |
| Developer | John P. Hoover | Tetiaroa Society |
Customer experience
Deep Blue Divers Fish Guide
Tetiaroa Fish Guide
In-app purchases
Deep Blue Divers Fish Guide
No in-app purchases
Tetiaroa Fish Guide
No in-app purchases
Questions
Is Deep Blue Divers Fish Guide free?
Is Tetiaroa Fish Guide free?
Which has better reviews, Deep Blue Divers Fish Guide or Tetiaroa Fish Guide?
Do Deep Blue Divers Fish Guide or Tetiaroa Fish Guide have ads?
Which is updated more often, Deep Blue Divers Fish Guide or Tetiaroa Fish Guide?
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