# Reefs vs Orphek Ocean

The clearest difference is price: Orphek Ocean at Free against Reefs's $1.00. Orphek Ocean also leads on in-app purchases (none vs 6) and ads (none vs shown). On device support there is nothing between them.

Orphek Ocean is free to download; Reefs costs $1.00 up front. Reefs sells 6 in-app purchases, starting at $0.99 per month. Orphek Ocean asks for nothing beyond the download.

Reefs ships an update every 3 months, Orphek Ocean every 3 weeks. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Reefs | Orphek Ocean |
| --- | --- | --- |
| Price | $1.00 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/reefs/id337679831/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 142 MB | 8 MB |
| Requires iOS | 11.0 | **9.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Manhattan Reefs LLC](https://appshunter.io/developer/337679835) | [HM ELECTRONICS CO., LTD.](https://appshunter.io/developer/922849695) |

## What reviewers say

### Reefs

[App page](https://appshunter.io/ios/app/reefs/id337679831)

Your mobile guide to saltwater and marine reef aquariums. Discover local fish stores, browse a live livestock marketplace, read hobby news, and identify corals and fish with an extensive ID tool.

**Highlights:** Local Fish Store Map, Real-time Livestock Marketplace, Daily Hobby News Blog, Forum & Club Connections, Reefs Magazine Access, Coral, Fish, Invert ID Tool

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Coral Database | $0.99 | one-time |
| Fish Database | $0.99 | one-time |
| Inverts Database | $0.99 | one-time |
| Pests Database | $0.99 | one-time |
| Reef Database | $0.99 | one-time |


### Orphek Ocean

[App page](https://appshunter.io/ios/app/orphek-ocean/id1332869416)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reefs free?

Reefs costs $1.00, and also offers in-app purchases.

### Is Orphek Ocean free?

Orphek Ocean is free to download, with no in-app purchases.

### Do Reefs or Orphek Ocean have ads?

Reefs shows ads; Orphek Ocean does not.

### Which is updated more often, Reefs or Orphek Ocean?

Reefs ships an update every 3 months, and Orphek Ocean every 3 weeks. Most recently, Reefs was updated on September 18, 2026 and Orphek Ocean on September 10, 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.*