# FluvalConnect vs Rackmaster

The clearest difference is ads: FluvalConnect at none against Rackmaster's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FluvalConnect ships an update monthly, Rackmaster every 6 weeks. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | FluvalConnect | Rackmaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (33 ratings)](https://appshunter.io/ios/app/fluvalconnect/id6739331796/reviews)** | — |
| Number of ratings | **33** | — |
| Positive reviews | 17.5% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 73 MB | 21 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Rolf C Hagen Inc.](https://appshunter.io/developer/1321403702) | [C Watson](https://appshunter.io/developer/6775054776) |

## What reviewers say

### FluvalConnect

[App page](https://appshunter.io/ios/app/fluvalconnect/id6739331796)

Control and customize your aquatic environment with this app. It allows for independent color channel adjustments, programmable light cycles, and preset environments for a captivating aquarium experience. Compatible with various Fluval LED lighting systems.

**Highlights:** Manual, Auto, and Pro operating modes, Independent color channel control, Programmable 24-hour light cycle, Preset environments, Dynamic effects, Multiple device control

**Features:** macOS Compatibility

**In-app purchases:** none


### Rackmaster

[App page](https://appshunter.io/ios/app/rackmaster/id6775054774)

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

**In-app purchases:** none


## Frequently asked questions

### Is FluvalConnect free?

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

### Is Rackmaster free?

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

### Do FluvalConnect or Rackmaster have ads?

Rackmaster shows ads; FluvalConnect does not.

### Which is updated more often, FluvalConnect or Rackmaster?

FluvalConnect ships an update monthly, and Rackmaster every 6 weeks. Most recently, FluvalConnect was updated on October 8, 2026 and Rackmaster on September 30, 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.*