Comparison

Bulk Reef Supply vs Koi Enterprise

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Bulk Reef Supply

This app provides a curated selection of saltwater aquarium supplies and educational resources. It features helpful reef calculators for water volume, sand needs, and electrical costs, aiming to simplify reef tank ownership.

Highlights
  • Curated aquarium supplies
  • Educational videos and articles
  • Reef calculators (water volume, sand, costs)
  • Thousands of items in stock
  • Customer service assistance
  • Free shipping on orders over $49 (continental US)
Features
Read full description

For over 15 years, Bulk Reef Supply has been a leader in saltwater and reef aquarium education and we have helped tens of thousands of aquarists, just like yourself, become better tank owners. With a carefully curated selection of aquarium supplies and a rich library of helpful videos and educational articles, we aim to make reefing fun and easy for everyone. Our handy reef calculators eliminate guesswork and will help you to calculate water volume, find out how much sand you need to buy, estimate electrical costs, and even help you measure and mix your additives. From aquariums and filtration to water pumps, fish food, and reef tank additives, we have everything you will need to create a thriving habitat for your aquatic pets. We have thousands of items in stock and ready to ship and most orders over $49 ship free to anywhere in the continental US from our Minnesota warehouse. We strive to provide you with an optimal online shopping experience and should you run into trouble or simply have questions, our experienced team of customer service agents are eager to help. We'll be updating the app frequently, so make sure you stay up-to-date on the app store.

About

Koi Enterprise

Discover and purchase live Japanese koi directly from Japan through live stream sales. Request specific varieties and see actual fish before buying. The app ensures safe, professional shipping across the United States.

Highlights
  • Live stream koi sales
  • Request specific koi varieties
  • Purchase koi sourced from Japan
  • View fish before buying
  • Professional shipping across the US
Features
Read full description

The Koi Enterprise App brings live Japanese koi directly to your fingertips. Watch real koi in live stream sales as it happens, submit requests for specific varieties including Tosai, and purchase koi sourced directly from Japan through trusted Koi Enterprise outlets. The app makes it easy to see actual fish before buying, request koi you want featured in live shows, and purchase with confidence. Koi Enterprise ships safely and professionally anywhere in the United States, handling the entire process from selection to delivery. Designed for a seamless and intuitive experience, the Koi Enterprise App connects tradition with technology, giving koi keepers a modern, transparent, and reliable way to buy koi in 2026 and beyond.

Screenshots

Bulk Reef Supply4 screens
Koi Enterprise4 screens

Verdict

The call

The clearest difference is ratings volume: Bulk Reef Supply at 3.1K against Koi Enterprise's 3. Koi Enterprise's advantage is review sentiment (100% vs 75%). On price, rating, update cadence and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Bulk Reef Supply against 5.0 for Koi Enterprise. That said, the two scores are not equally well evidenced: Bulk Reef Supply has 3.1K ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 75% of Bulk Reef Supply's written reviews are positive against 100% of Koi Enterprise's.

UpkeepUpdate frequency

Bulk Reef Supply ships an update every 3 weeks, Koi Enterprise every 2 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level
Bulk Reef Supply versus Koi Enterprise: the parameters behind the verdict, then further details
ParameterBulk Reef SupplyKoi Enterprise
PriceFreeFree
Rating4.9 (3.1K ratings)5.0 (3 ratings) — better
Positive reviews75.4% of reviews100.0% of reviews — better
Number of ratings3.1K — better3
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.415.1 — better
Further details — not scored
Size36 MB63 MB
Age rating4+9+
DeveloperBulk Reef SupplyCommentSold Apps SII

Customer experience

Bulk Reef Supply

All ratings3,082 ratings
Positive97.4%
Neutral1.4%
Negative1.2%
Written reviews57 reviews
Positive75.4%
Neutral3.5%
Negative21.1%

Koi Enterprise

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Bulk Reef Supply

Reported bugs

2 issues
  • App not allowing finalization of orders with out-of-stock items
  • Compatibility issues with certain payment methods

Requested features

3 requests
  • Add ability to zoom in on product photos
  • Improve app navigation and intuitiveness
  • Implement subscription options for recurring purchases

Koi Enterprise

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Bulk Reef Supply

No in-app purchases

None

Koi Enterprise

No in-app purchases

Questions

Is Bulk Reef Supply free?
Bulk Reef Supply is free to download, with no in-app purchases.
Is Koi Enterprise free?
Koi Enterprise is free to download, with no in-app purchases.
Which has better reviews, Bulk Reef Supply or Koi Enterprise?
Koi Enterprise is rated higher. Bulk Reef Supply averages 4.9 out of 5 from 3.1K ratings, while Koi Enterprise averages 5.0 from 3 ratings.
Do Bulk Reef Supply or Koi Enterprise have ads?
Neither Bulk Reef Supply nor Koi Enterprise shows ads.
Which is updated more often, Bulk Reef Supply or Koi Enterprise?
Bulk Reef Supply ships an update every 3 weeks, and Koi Enterprise every 2 weeks. Most recently, Bulk Reef Supply was updated on November 7, 2026 and Koi Enterprise on November 3, 2026.

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