# HydraGO vs Soil Cub

The clearest difference is update cadence: Soil Cub at every 6 weeks against HydraGO's every 24 months. HydraGO's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 16.6). On price, ads and in-app purchases there is nothing between them.

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

HydraGO ships an update every 24 months, Soil Cub every 6 weeks. The most recent releases landed on October 17, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | HydraGO | Soil Cub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/soil-cub/id6465453760/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 5 MB | 62 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Stevens Water Monitoring Systems, Inc.](https://appshunter.io/developer/503634320) | [Industrial Smart LLC](https://appshunter.io/developer/1409981199) |

## What reviewers say

### HydraGO

[App page](https://appshunter.io/ios/app/hydrago/id1435520710)

**Features:** macOS Compatibility

**In-app purchases:** none


### Soil Cub

[App page](https://appshunter.io/ios/app/soil-cub/id6465453760)

This app provides instant soil and environmental data, including moisture, temperature, and electrical conductivity. Record measurements with GPS location, generate detailed CSV reports, and visualize your data for informed decisions.

**Highlights:** Soil moisture readings (VWC), Soil temperature readings, Electrical conductivity (EC) readings, Air temperature and humidity, Record measurement location (GPS), Generate CSV reports, Data visualization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HydraGO free?

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

### Is Soil Cub free?

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

### Do HydraGO or Soil Cub have ads?

Neither HydraGO nor Soil Cub shows ads.

### Which is updated more often, HydraGO or Soil Cub?

HydraGO ships an update every 24 months, and Soil Cub every 6 weeks. Most recently, HydraGO was updated on October 17, 2026 and Soil Cub on October 12, 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.*