Reef Trak vs ReefBay: Reef Tank App Comparison (2026)

ReefBay built a real trading floor. 10K reefers, 30+ vendor partnerships, active forums. Hard to beat if you are there to buy, sell, and chat. Reef Trak goes wide on the tank itself. PAR Map, expense tracking, controller imports from 5 vendors, ICP imports from 7 labs, TrakAI exports, and the ReefDock retail-aggregator marketplace. Same hobby, different shapes. Here is what each does well.

Guides May 10, 2026 By Joe Marino 2 min read

Quick answer

You mostly open a reef app to buy and sell corals, fish, and inverts from other hobbyists and established vendors? ReefBay is purpose-built for that. 10K reefers is a real trading floor, the vendor partnerships are real, and the marketplace transactions work.

You mostly open a reef app to actually run the tank? Parameters, dosing, livestock, equipment, lighting, maintenance, expenses, AI workflows. That is Reef Trak. The ReefDock marketplace gives you a buy-and-sell flow too, but the rest of the app is where Reef Trak puts the hours in.

Feature comparison

Capability	Reef Trak	ReefBay
Parameters	55+ incl. trace elements	✓
Dosing logs	✓	✓
Livestock catalog	1,800+ species built-in	✓
Equipment records	✓	✓
Maintenance scheduling	Yes, custom intervals incl. yearly	✓
PAR Map	✓	✗
Expense tracking + Receipt Scan	✓	✗
Home-screen widgets	✓	✗
Controller imports	5 vendors, read-only	✗
ICP test imports	7 labs	✗
Marketplace	ReefDock: cross-retailer search (BRS, Amazon, Saltwaterfish, Petco) + hobbyist	Peer-to-peer (10K reefers, 30+ vendors)
Community forums	No (in-app)	✓
AI approach	TrakAI: bring your own engine	Closed AI insights
Web Portal	Yes (reeftrak.com)	✗
Pricing	Free + $9.99 lifetime	Free + DeepDive subs $4.99 / $29.99 / $39.99
Platforms	iOS + Android + Web Portal	iOS + iPad + Mac (M1+) + Android

Where ReefBay wins

The peer-to-peer marketplace is the real differentiator. ReefBay's 10K-reefer base and 30+ vendor partnerships are an established trading floor for corals, fish, inverts, and reef equipment. No other reef app matches that scale right now.

The community forums are also active. For reefers whose primary value from a reef app is shopping and discussion, ReefBay is built around that. The tracking features support the marketplace experience rather than the other way around.

Where Reef Trak wins

Reef Trak's feature surface is significantly wider on the management side. Features ReefBay has no equivalent for:

PAR Map for reef lighting analysis with photo overlay.
Receipt Scan Assist that converts paper receipts into structured expenses.
Home-screen widgets for at-a-glance parameter and maintenance status.
Controller imports from Apex Fusion, HYDROS, Alkatronic, Mastertronic, and AquaWiz, all read-only.
ICP test imports from 7 labs.
TrakAI bring-your-own-AI exports that work with ChatGPT, Claude, Gemini, or local LLMs.
A full Web Portal at reeftrak.com, not just a mobile mirror.
A one-time $9.99 lifetime unlock with no subscription.

And Reef Trak now has a marketplace too. ReefDock launched in May 2026 with a different shape than ReefBay. Cross-retailer search aggregation across BRS, Amazon, Saltwaterfish, and Petco alongside hobbyist listings, instead of ReefBay's peer-to-peer focus. Different angle, but it closes the gap for reefers who want shopping inside the same app they use for everything else.

Can you use both?

Yes. Plenty of reefers use Reef Trak for tracking and ReefBay for community and peer-to-peer trades. They cover different parts of the workflow and do not step on each other.

If you are picking one, the question is what you spend most of your reef-app time doing. Tracking and managing the tank? Reef Trak. Shopping, trading, and chatting? ReefBay.

Frequently asked

Is Reef Trak or ReefBay better in 2026?

They cover different primary use cases. ReefBay leads on peer-to-peer marketplace and community, with 10K reefers and 30+ vendors. Reef Trak leads on tracking depth, AI exports, controller imports, ICP imports, PAR Map, expense tracking, and lifetime pricing. Many reefers run both. If you are picking one, choose based on whether you spend more time tracking your tank or shopping.

Does Reef Trak have a marketplace like ReefBay?

Yes, as of May 2026. Reef Trak's marketplace is called ReefDock and aggregates reef supplies across BRS, Amazon, Saltwaterfish, and Petco alongside direct-from-hobbyist listings for corals, fish, inverts, and reef equipment with Stripe-secured checkout. Different shape than ReefBay (cross-retailer search vs peer-to-peer focus), but it serves the same shopping need.

How does Reef Trak's AI compare to ReefBay's AI?

Reef Trak uses TrakAI, a bring-your-own-AI export model. You copy your full tank history to your clipboard and paste it into any AI engine (ChatGPT, Claude, Gemini, local LLMs). ReefBay uses closed in-app AI insights tied to a paid DeepDive subscription tier. TrakAI upgrades the same day a better model ships. Closed AI has to wait for a vendor update.

Is Reef Trak cheaper than ReefBay?

Yes for long-term use. Reef Trak is a one-time $9.99 lifetime unlock with no subscription. ReefBay's DeepDive subscription tiers are $4.99, $29.99, and $39.99, with the higher ones being recurring. Over the life of a reef tank, Reef Trak's lifetime is significantly cheaper.

Can I use both Reef Trak and ReefBay?

Yes. They cover different parts of the reef-keeping workflow. Plenty of reefers use Reef Trak for end-to-end tracking and ReefBay for community and peer-to-peer trades. No integration penalty for running both.

Try Reef Trak free

Reef Trak is the most complete reef tank tracking app on iPhone, Android, and the web. Track every parameter, every dose, every coral, every fish, every piece of equipment, and every maintenance event in one connected system. Love your reef, Trak it.