Fins vs Aqua Dex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fins
Instantly identify marine life from photos or guided searches. Log your dives, track sightings, and build a personal species collection. Engage with trivia games, earn badges, and plan liveaboard trips while contributing to ocean conservation.
- AI Marine Species ID
- Guided Search
- Dive Logbook
- Marine Trivia Games
- Badges & Achievements
- Liveaboard Planning
- Community Sharing
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Fins identifies fish, nudibranchs and other invertebrates from a photo or guided step-by-step search, in seconds, wherever you are in the world. Whether you're logging a dive in Raja Ampat, snorkeling the Great Barrier Reef, or just curious about something you spotted at the beach, Fins brings the ocean's species to your fingertips. AI Marine Species ID Upload or snap a photo and let Fins identify the species instantly. Or use guided search to narrow it down step by step, no photo needed. Dive Logbook & Snorkel Tracker Record every dive, log your sightings, and build your personal life list. Your ocean story, beautifully kept. Marine Trivia & ID Games Test your reef knowledge, earn points, and climb the leaderboard. Learning the ocean has never been this fun. Badges & Achievements Unlock badges for new species, dive milestones, and rare finds. Spot a rare nudibranch? There's a badge for that. Liveaboard & Travel Planning Browse and book liveaboards across the world's top dive destinations, all inside the app. Join the Movement Every sighting you log contributes to ocean awareness and conservation. You're not just exploring, you’re helping. Community Share sightings, solve marine mysteries together, and connect with a growing global community of ocean lovers. Who Fins Is For Divers & Snorkelers — Log dives, ID species, relive every underwater adventure. Underwater Photographers — Name your shots and build your own species collection. Liveaboard Travelers — Make the most of every surface interval. Students & Educators — A modern, visual marine field guide for the classroom or the reef. Citizen Scientists — Every sighting you log matters. Curious Explorers — Discover the ocean from anywhere on earth. Fins is your companion for exploration, learning, and conservation. Download Fins and dive smarter.
Aqua Dex
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Curious about the life hidden beneath the surface? Explore over a hundred fish species with detailed descriptions, scientific names, and vivid illustrations across reefs, rivers, lakes, and icy waters. Learn how fish breathe, migrate, and fit into complex food chains through clear, engaging explanations. With AI tools that answer questions, generate images, and even help you invent new species, discovery becomes something you can shape and collect.
Screenshots
Verdict
The clearest difference is in-app purchases: Aqua Dex at none against Fins's 2. On price, ads, device support and iOS requirement 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. Fins sells 2 in-app purchases, starting at $4.99 per month. Aqua Dex asks for nothing beyond the download.
| Parameter | Fins | Aqua Dex |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (14 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 179 MB | 12 MB |
| Age rating | 17+ | 17+ |
| Developer | evan foster | Yuri Vardanyan |
In-app purchases
Fins
- Fins Pro Monthly$4.991 Month
- Fins Pro Yearly7 Days trial$24.991 Year
Aqua Dex
No in-app purchases



