# Digital SalmoFan vs HydroNeo

The clearest difference is update cadence: HydroNeo at weekly against Digital SalmoFan's every 6 months. Digital SalmoFan's advantage is iOS requirement (12.0 vs 15.0). On price, ads, 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.

Digital SalmoFan ships an update every 6 months, HydroNeo weekly. The most recent releases landed on September 7, 2026 and August 29, 2026 respectively.

## The numbers

| Metric | Digital SalmoFan | HydroNeo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hydroneo/id1537577004/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | — | Free |
| Size | 7 MB | 158 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nix Sensor Ltd.](https://appshunter.io/developer/889253267) | [HydroNeo Aquaculture Technologies Pte. Ltd.](https://appshunter.io/developer/1734156622) |

## What reviewers say

### Digital SalmoFan

[App page](https://appshunter.io/ios/app/digital-salmofan/id1060161754)

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

**In-app purchases:** none


### HydroNeo

[App page](https://appshunter.io/ios/app/hydroneo/id1537577004)

This app helps modern aquaculture farmers monitor water quality, track animal growth, and make data-driven decisions. It offers features like real-time sensor monitoring, a comprehensive pond logbook, AI-powered disease detection, and financial forecasting to improve productivity and profitability.

**Highlights:** Real-time water quality monitoring, Comprehensive pond logbook, Shrimp sizing via photo, AI-powered disease detection, Community-based disease early warning, Financial and market price forecasting, Smart automation system

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

**In-app purchases:** none


## Frequently asked questions

### Is Digital SalmoFan free?

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

### Is HydroNeo free?

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

### Do Digital SalmoFan or HydroNeo have ads?

Neither Digital SalmoFan nor HydroNeo shows ads.

### Which is updated more often, Digital SalmoFan or HydroNeo?

Digital SalmoFan ships an update every 6 months, and HydroNeo weekly. Most recently, Digital SalmoFan was updated on September 7, 2026 and HydroNeo on August 29, 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.*