# Deep Blue Divers Fish Guide vs Tetiaroa Fish Guide

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.

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.

## The numbers

| Metric | Deep Blue Divers Fish Guide | Tetiaroa Fish Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (8 ratings)](https://appshunter.io/ios/app/deep-blue-divers-fish-guide/id1438985203/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/tetiaroa-fish-guide/id1440261689/reviews)** |
| Number of ratings | **8** | 6 |
| Positive reviews | 88.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 13 months |
| Monetization | Free | Free |
| Size | 227 MB | 201 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [John P. Hoover](https://appshunter.io/developer/520389659) | [Tetiaroa Society](https://appshunter.io/developer/1440261688) |

## What reviewers say

### Deep Blue Divers Fish Guide

[App page](https://appshunter.io/ios/app/deep-blue-divers-fish-guide/id1438985203)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Tetiaroa Fish Guide

[App page](https://appshunter.io/ios/app/tetiaroa-fish-guide/id1440261689)

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.

**Highlights:** Identify 134 fish species, Search by color, shape, or name, Multiple photos per fish, Logbook for saved sightings, Works on iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Deep Blue Divers Fish Guide free?

Deep Blue Divers Fish Guide is free to download, with no in-app purchases.

### Is Tetiaroa Fish Guide free?

Tetiaroa Fish Guide is free to download, with no in-app purchases.

### Which has better reviews, Deep Blue Divers Fish Guide or Tetiaroa Fish Guide?

Tetiaroa Fish Guide is rated higher. Deep Blue Divers Fish Guide averages 4.5 out of 5 from 8 ratings, while Tetiaroa Fish Guide averages 5.0 from 6 ratings.

### Do Deep Blue Divers Fish Guide or Tetiaroa Fish Guide have ads?

Neither Deep Blue Divers Fish Guide nor Tetiaroa Fish Guide shows ads.

### Which is updated more often, Deep Blue Divers Fish Guide or Tetiaroa Fish Guide?

Deep Blue Divers Fish Guide ships an update every 5 weeks, and Tetiaroa Fish Guide every 13 months. Most recently, Deep Blue Divers Fish Guide was updated on November 8, 2026 and Tetiaroa Fish Guide on November 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*