# Hanna Lab vs ReefCtrl

The clearest difference is review sentiment: ReefCtrl at 100% against Hanna Lab's 45%. ReefCtrl also leads on update cadence (every 9 days vs every 5 months) and iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Hanna Lab ships an update every 5 months, ReefCtrl every 9 days. The most recent releases landed on September 25, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Hanna Lab | ReefCtrl |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (10 ratings)](https://appshunter.io/ios/app/hanna-lab/id913755813/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 45.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 32 MB | 3 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hanna Instruments, Inc.](https://appshunter.io/developer/913755816) | [Jayanth Vignesh Ramachandran](https://appshunter.io/developer/1896691974) |

## What reviewers say

### Hanna Lab

[App page](https://appshunter.io/ios/app/hanna-lab/id913755813)

Transform your mobile device into a professional-grade pH meter or data management system. Connect with compatible Hanna Instruments probes and meters to conduct precise measurements, store data securely, and access it via the cloud.

**Highlights:** pH meter functionality with Bluetooth probes, Data management with compatible meters, Hanna Cloud compatibility for data sync, Live measurements and trend graphs, Data export in PDF and CSV formats, Calibration and logging features

**Features:** macOS Compatibility

**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 Hanna Lab free?

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

### Is ReefCtrl free?

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

### Do Hanna Lab or ReefCtrl have ads?

Neither Hanna Lab nor ReefCtrl shows ads.

### Which is updated more often, Hanna Lab or ReefCtrl?

Hanna Lab ships an update every 5 months, and ReefCtrl every 9 days. Most recently, Hanna Lab was updated on September 25, 2026 and ReefCtrl on October 4, 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.*