# Bulk Reef Supply vs Koi Enterprise

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.

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

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.

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.

## The numbers

| Metric | Bulk Reef Supply | Koi Enterprise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (3.1K ratings)](https://appshunter.io/ios/app/bulk-reef-supply/id1563498860/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/koi-enterprise/id1623745797/reviews)** |
| Number of ratings | **3.1K** | 3 |
| Positive reviews | 75.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 36 MB | 63 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Bulk Reef Supply](https://appshunter.io/developer/1563498862) | [CommentSold Apps SII](https://appshunter.io/developer/1613740405) |

## What reviewers say

### Bulk Reef Supply

[App page](https://appshunter.io/ios/app/bulk-reef-supply/id1563498860)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great products and prices
- 👍 Excellent customer service
- 💡 Helpful videos and information
- 🚀 Convenient app and online store
- 👍 Reliable and quality products

**What reviewers complain about**

- 🐛 Slow app performance
- 🐛 Difficulty placing orders
- 💡 Missing features like open box deals

**Reported bugs**

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

**Requested features**

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


### Koi Enterprise

[App page](https://appshunter.io/ios/app/koi-enterprise/id1623745797)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


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