# Bluefish Controller 2 vs NextUpReef

The clearest difference is rating: NextUpReef at 3.7 against Bluefish Controller 2's 2.1. NextUpReef also leads on update cadence (every 4 days vs every 16 months) and review sentiment (50% vs 27%). Bluefish Controller 2's advantage is in-app purchases (none vs 2) and ratings volume (16 vs 3). On price, 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. Bluefish Controller 2 asks for nothing beyond the download.

NextUpReef holds the better App Store score, 3.7 against 2.1. That said, the two scores are not equally well evidenced: Bluefish Controller 2 has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 27% of Bluefish Controller 2's written reviews are positive against 50% of NextUpReef's.

Bluefish Controller 2 ships an update every 16 months, NextUpReef every 4 days. The most recent releases landed on September 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Bluefish Controller 2 | NextUpReef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (16 ratings)](https://appshunter.io/ios/app/bluefish-controller-2/id1026265988/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/nextupreef/id6760728959/reviews)** |
| Number of ratings | **16** | 3 |
| Positive reviews | 27.3% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 4 days** |
| Monetization | **Free** | Freemium |
| Size | 19 MB | 59 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Spencer Shepard](https://appshunter.io/developer/869912494) | [Adam Winstead](https://appshunter.io/developer/1885950916) |

## What reviewers say

### Bluefish Controller 2

[App page](https://appshunter.io/ios/app/bluefish-controller-2/id1026265988)

Manage your aquarium's lighting system directly from your mobile device. Simulate realistic environmental conditions like weather, sunrise, sunset, and moon phases for an immersive aquatic experience.

**Highlights:** Aquarium lighting control, Sunrise/sunset simulation, Moon phase simulation, Weather effects, Control from phone/tablet

**Features:** macOS Compatibility

**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 Bluefish Controller 2 free?

Bluefish Controller 2 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, Bluefish Controller 2 or NextUpReef?

NextUpReef is rated higher. Bluefish Controller 2 averages 2.1 out of 5 from 16 ratings, while NextUpReef averages 3.7 from 3 ratings.

### Do Bluefish Controller 2 or NextUpReef have ads?

Neither Bluefish Controller 2 nor NextUpReef shows ads.

### Which is updated more often, Bluefish Controller 2 or NextUpReef?

Bluefish Controller 2 ships an update every 16 months, and NextUpReef every 4 days. Most recently, Bluefish Controller 2 was updated on September 28, 2026 and NextUpReef on October 13, 2026.

---

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