# Pocket Marine vs NextUpReef

The clearest difference is price: NextUpReef at Free against Pocket Marine's $3.99. NextUpReef also leads on update cadence (every 4 days vs fortnightly). Pocket Marine's advantage is rating (4.8 vs 3.7) and in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

NextUpReef is free to download; Pocket Marine costs $3.99 up front. NextUpReef sells 2 in-app purchases, starting at $4.99 per month. Pocket Marine asks for nothing beyond the download.

Pocket Marine holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Pocket Marine has 596 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 79% of Pocket Marine's written reviews are positive against 50% of NextUpReef's.

Pocket Marine ships an update fortnightly, NextUpReef every 4 days. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Pocket Marine | NextUpReef |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.8 (596 ratings)](https://appshunter.io/ios/app/pocket-marine/id999538938/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/nextupreef/id6760728959/reviews) |
| Number of ratings | **596** | 3 |
| Positive reviews | **78.8% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | **Free** | Freemium |
| Size | 213 MB | 59 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Liam Salmons](https://appshunter.io/developer/999538937) | [Adam Winstead](https://appshunter.io/developer/1885950916) |

## What reviewers say

### Pocket Marine

[App page](https://appshunter.io/ios/app/pocket-marine/id999538938)

Manage all your aquarium data in one place. Track water parameters, inhabitants, dosing, and maintenance with detailed logs and reminders. Access an extensive library of marine species to make informed decisions about new additions.

**Highlights:** Marine species encyclopedia (800+), Water parameter testing journal, Inhabitant and dosing logs, Maintenance and water change journals, Species compatibility guide, Useful calculators, Customizable reminders

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

**In-app purchases:** none

**What reviewers like**

- 👍 Helpful for tracking parameters
- 🚀 Fantastic data base
- 👍 Well designed app
- 👍 Comprehensive features
- 👍 Useful for new marine aquarium keepers

**What reviewers complain about**

- 🐛 Crashes when trying to set up aquarium
- 🐛 Deletes test results
- 🐛 Buggy and unstable
- 🐛 Spelling mistakes
- 🐛 Unable to change default parameters

**Reported bugs**

- Crashes when trying to edit targets/ranges
- Endless scroll to select values
- Inconsistent behavior when switching between Celsius and Fahrenheit
- Crashes when accessing certain sections like soft corals

**Requested features**

- Ability to sync data across devices
- Customizable home screen
- Tracking for spending on tank supplies
- Ability to set default parameters
- Graphs showing multiple parameters together


### NextUpReef

[App page](https://appshunter.io/ios/app/nextupreef/id6760728959)

This app helps reef tank hobbyists manage their aquarium's health and equipment. It offers AI-powered analysis, parameter logging, smart outlet control, and community insights to optimize tank conditions and simplify maintenance.

**Highlights:** AI Reef Advisor for tank analysis, Parameter logging and trend charting, Smart outlet control for equipment, Neptune Apex integration, Tank setup and livestock tracking, Smart reminders for maintenance, Reef community insights

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NextUpReef Pro | $4.99 | per month |
| NextUpReef Pro | $39.99 | per year |


## Frequently asked questions

### Is Pocket Marine free?

Pocket Marine costs $3.99, with no in-app purchases.

### Is NextUpReef free?

NextUpReef is free to download, with in-app purchases available.

### Which has better reviews, Pocket Marine or NextUpReef?

Pocket Marine is rated higher. Pocket Marine averages 4.8 out of 5 from 596 ratings, while NextUpReef averages 3.7 from 3 ratings.

### Do Pocket Marine or NextUpReef have ads?

Neither Pocket Marine nor NextUpReef shows ads.

### Which is updated more often, Pocket Marine or NextUpReef?

Pocket Marine ships an update fortnightly, and NextUpReef every 4 days. Most recently, Pocket Marine was updated on October 15, 2026 and NextUpReef on October 13, 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.*