# VuSitu vs ODNscan

The clearest difference is update cadence: VuSitu at every 6 weeks against ODNscan's every 10 months. VuSitu also leads on iOS requirement (15.0 vs 18.0). 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.

VuSitu ships an update every 6 weeks, ODNscan every 10 months. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | VuSitu | ODNscan |
| --- | --- | --- |
| 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 6 weeks** | Every 10 months |
| Monetization | Free | — |
| Size | 171 MB | 17 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [In-Situ Inc.](https://appshunter.io/developer/592873894) | [Ocean Data Network](https://appshunter.io/developer/1689000347) |

## What reviewers say

### 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


### ODNscan

[App page](https://appshunter.io/ios/app/odnscan/id6749337845)

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

**In-app purchases:** none


## Frequently asked questions

### Is VuSitu free?

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

### Is ODNscan free?

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

### Do VuSitu or ODNscan have ads?

Neither VuSitu nor ODNscan shows ads.

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

VuSitu ships an update every 6 weeks, and ODNscan every 10 months. Most recently, VuSitu was updated on October 21, 2026 and ODNscan on October 16, 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.*