# The NP Hub vs Essential Reef

The clearest difference is in-app purchases: Essential Reef at none against The NP Hub's 5. Essential Reef also leads on update cadence (every 2 days vs weekly) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. The NP Hub sells 3 in-app purchases, starting at $50.99 per month. Essential Reef asks for nothing beyond the download.

The NP Hub ships an update weekly, Essential Reef every 2 days. The most recent releases landed on October 9, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | The NP Hub | Essential Reef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/essential-reef/id6765518560/reviews)** |
| Number of ratings | — | **7** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | — | Free |
| Size | 148 MB | 62 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 9+ | 17+ |
| Developer | [Nurse Practitioners' Association of Ontario](https://appshunter.io/developer/1889262244) | [Essential Reef](https://appshunter.io/developer/1895977098) |

## What reviewers say

### The NP Hub

[App page](https://appshunter.io/ios/app/the-np-hub/id6761382523)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $50.99 | per month |
| Annual Plan | $169.99 | per year |
| One Time Purchase Plan | $129.99 | one-time |


### Essential Reef

[App page](https://appshunter.io/ios/app/essential-reef/id6765518560)

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.

**Highlights:** 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

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

**In-app purchases:** none


## Frequently asked questions

### Is The NP Hub free?

The NP Hub is free to download, with in-app purchases available.

### Is Essential Reef free?

Essential Reef is free to download, with no in-app purchases.

### Do The NP Hub or Essential Reef have ads?

Neither The NP Hub nor Essential Reef shows ads.

### Which is updated more often, The NP Hub or Essential Reef?

The NP Hub ships an update weekly, and Essential Reef every 2 days. Most recently, The NP Hub was updated on October 9, 2026 and Essential Reef on October 20, 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.*