# HydraGO vs VuSitu

The clearest difference is update cadence: VuSitu at every 6 weeks against HydraGO's every 24 months. HydraGO's advantage is iOS requirement (9.0 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.

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

## The numbers

| Metric | HydraGO | VuSitu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (16 ratings)](https://appshunter.io/ios/app/vusitu/id1448937574/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 5 MB | 171 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stevens Water Monitoring Systems, Inc.](https://appshunter.io/developer/503634320) | [In-Situ Inc.](https://appshunter.io/developer/592873894) |

## What reviewers say

### HydraGO

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

**Features:** macOS Compatibility

**In-app purchases:** none


### VuSitu

[App page](https://appshunter.io/ios/app/vusitu/id1448937574)

Easily connect to water monitoring instruments to view, manage, and share water quality and quantity data. Configure, calibrate, and deploy instruments, view live readings, and set up logs. Securely store and share data through a cloud-based account.

**Highlights:** Connect to In-Situ instruments, View live water quality data, Configure and calibrate instruments, Create and manage log files, Secure cloud data storage, Share data via HydroVu, Instant graphing for readings

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

**In-app purchases:** none


## Frequently asked questions

### Is HydraGO free?

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

### Is VuSitu free?

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

### Do HydraGO or VuSitu have ads?

Neither HydraGO nor VuSitu shows ads.

### Which is updated more often, HydraGO or VuSitu?

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