# ReefAI3 vs ReefCtrl

The clearest difference is price: ReefCtrl at Free against ReefAI3's $1.99. ReefCtrl also leads on iOS requirement (13.0 vs 15.1). ReefAI3's advantage is update cadence (every 2 days vs every 9 days). On ads, in-app purchases and device support there is nothing between them.

ReefCtrl is free to download; ReefAI3 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReefAI3 ships an update every 2 days, ReefCtrl every 9 days. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | ReefAI3 | ReefCtrl |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[1.5 (2 ratings)](https://appshunter.io/ios/app/reefctrl/id6769832090/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | — | Free |
| Size | 30 MB | 3 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Austin Lamitina](https://appshunter.io/developer/1884142429) | [Jayanth Vignesh Ramachandran](https://appshunter.io/developer/1896691974) |

## What reviewers say

### ReefAI3

[App page](https://appshunter.io/ios/app/reefai3/id6764714629)

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

**In-app purchases:** none


### ReefCtrl

[App page](https://appshunter.io/ios/app/reefctrl/id6769832090)

Manage your reef aquarium with this intelligent platform. Monitor equipment, track water chemistry, and receive smart alerts. It integrates with Neptune Apex controllers and offers AI-powered assistance for hobbyists.

**Highlights:** Neptune Apex integration, Smart alerts and notifications, Water chemistry tracking, Dosing management, AI reef assistant, Equipment and livestock management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ReefAI3 free?

ReefAI3 costs $1.99, with no in-app purchases.

### Is ReefCtrl free?

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

### Do ReefAI3 or ReefCtrl have ads?

Neither ReefAI3 nor ReefCtrl shows ads.

### Which is updated more often, ReefAI3 or ReefCtrl?

ReefAI3 ships an update every 2 days, and ReefCtrl every 9 days. Most recently, ReefAI3 was updated on October 25, 2026 and ReefCtrl on October 21, 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.*