# REEFB vs NextUpReef

The clearest difference is review sentiment: NextUpReef at 100% against REEFB's 0%. NextUpReef also leads on rating (5.0 vs 3.0) and update cadence (every 4 days vs every 2 months). REEFB's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 15.1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. NextUpReef sells 2 in-app purchases, starting at $4.99 per month. REEFB asks for nothing beyond the download.

NextUpReef holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of REEFB's written reviews are positive against 100% of NextUpReef's.

REEFB ships an update every 2 months, NextUpReef every 4 days. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | REEFB | NextUpReef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/reefb/id6738972525/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nextupreef/id6760728959/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | **Free** | Freemium |
| Size | 39 MB | 56 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [CROWN P & E CO., LTD.](https://appshunter.io/developer/1783223891) | [Adam Winstead](https://appshunter.io/developer/1885950916) |

## What reviewers say

### REEFB

[App page](https://appshunter.io/ios/app/reefb/id6738972525)

This app offers intelligent control for REEF B Series devices, simplifying aquarium management. It allows for effortless monitoring and maintenance of aquaculture equipment and schedules via Bluetooth connectivity.

**Highlights:** Dosing modes: 24-hour average, custom, single-dose, Precise dosing calibration, Flexible schedule adjustment, Multi-device management via Bluetooth, Accurate spectrum scheduling for LED lights, Master-sub synchronization for lights, Scene modes for LED lights

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

**In-app purchases:** none


### 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 REEFB free?

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

### Is NextUpReef free?

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

### Which has better reviews, REEFB or NextUpReef?

NextUpReef is rated higher. REEFB averages 3.0 out of 5 from 1 ratings, while NextUpReef averages 5.0 from 1 ratings.

### Do REEFB or NextUpReef have ads?

Neither REEFB nor NextUpReef shows ads.

### Which is updated more often, REEFB or NextUpReef?

REEFB ships an update every 2 months, and NextUpReef every 4 days. Most recently, REEFB was updated on September 24, 2026 and NextUpReef 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.*