Reef2Reef vs Essential Reef
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Reef2Reef
Connect with a global community of saltwater and reef aquarium enthusiasts. Share tank progress, ask questions, and exchange expert advice. Discover resources for all levels of reefkeeping, including a marketplace and product reviews.
- Share tank photos
- Ask detailed questions
- Swap expert advice
- In-depth build threads
- Marketplace for corals, fish, and gear
- Product reviews
- Giveaways
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Reef2Reef is the largest online community for saltwater and reef aquarium hobbyists, connecting thousands of reef keepers worldwide. Share tank photos, ask detailed questions, and swap expert advice on everything from nano tanks to advanced SPS systems. With in-depth build threads, a trusted marketplace for corals, fish, and gear, detailed product reviews, and regular giveaways, Reef2Reef offers valuable resources for beginners and seasoned reefers alike. We developed this app to give you all the perks of using a mobile platform—fast access to your favorite forums, real-time alerts, private messaging, and easy photo sharing—all tailored for reef aquarium lovers. Join today to learn, trade, and grow within the most supportive reefkeeping community online.
Essential Reef
Connect with fellow reef aquarium enthusiasts, track your tank's parameters and livestock, and buy or sell corals, fish, and dry goods in a dedicated marketplace. Features include community forums, direct messaging, and detailed tank logging tools.
- Community forums and direct messaging
- Marketplace for corals, fish, and dry goods
- Tank parameter logging and charting
- Livestock tracking and growth recording
- Dosing schedule and logging
- Data export to CSV
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Essential Reef is a community built for serious reef aquarium hobbyists. Whether you're keeping your first nano or running a 500-gallon mixed reef, Essential Reef gives you the tools to track your tank, the market to source what you need, and a community of fellow reefers who actually know what they're talking about. — THE COMMUNITY — - Public and private channels for tank chat, build threads, and Q&A - Direct messages with other members - Reactions, replies, and rich photo posts - Active moderation by reefers, not algorithms — THE MARKETPLACE — - Browse coral, fish, invertebrates, and dry goods from vetted sellers - Auctions with flash-close rules - Sale listings with photos, prices, and shipping details - Buyers and sellers coordinate payment directly — TANK TRACKER — - Log water parameters (alk, calcium, magnesium, phosphate, nitrate, salinity, temp, and more) - View charts of how your tank changes over time - Track every coral, fish, and invertebrate in your livestock list - Record growth, spawning, health events, and more - Schedule and log dosing for additives and supplements - Export your data as CSV anytime — ABOUT US — Essential Reef is built by reefers, in Florida, for the global reef-keeping community. New members join with an invite from an existing member, keeping the community focused and high-quality. — PRIVACY & SAFETY — - We don't sell your data - We don't track you across other apps or websites - You can block any user, report any content, and delete your account at any time By using Essential Reef, you agree to our Terms of Service and Privacy Policy at essentialreef.com. Questions? support@essentialreef.com
Screenshots
Verdict
The clearest difference is update cadence: Essential Reef at daily against Reef2Reef's fortnightly. Essential Reef also leads on rating (5.0 vs 4.7). Reef2Reef's advantage is ratings volume (43 vs 6). 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.
Essential Reef holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Reef2Reef has 43 ratings behind it against 6, so its average is the more settled of the two.
Reef2Reef ships an update fortnightly, Essential Reef daily. The most recent releases landed on September 30, 2026 and September 16, 2026 respectively.
| Parameter | Reef2Reef | Essential Reef |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (43 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 93.5% of reviews | — |
| Number of ratings | 43 — better | 6 |
| Update frequency | Fortnightly | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 34 MB | 61 MB |
| Age rating | 4+ | 17+ |
| Developer | Forumly LLC | Essential Reef |
Customer experience
Reef2Reef
Essential Reef
Bugs and requests
Reef2Reef
Reported bugs
1 issue- Occasional crashes or freezes
Requested features
2 requests- Dark mode option
- Improved navigation and browsing experience
Essential Reef
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Reef2Reef
No in-app purchases
Essential Reef
No in-app purchases
