# Ruskin vs HydraGO

The clearest difference is update cadence: Ruskin at every 4 months against HydraGO's every 24 months. HydraGO's advantage is iOS requirement (9.0 vs 12.0). 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.

Ruskin ships an update every 4 months, HydraGO every 24 months. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Ruskin | HydraGO |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 24 months |
| Monetization | Free | — |
| Size | 79 MB | 5 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RBR Ltd](https://appshunter.io/developer/654709752) | [Stevens Water Monitoring Systems, Inc.](https://appshunter.io/developer/503634320) |

## What reviewers say

### Ruskin

[App page](https://appshunter.io/ios/app/ruskin/id654709749)

Wirelessly configure loggers, download, and display datasets. View profiles, tags, and downloads on a map, and record detailed location information during deployments.

**Highlights:** Wireless logger configuration, Dataset download and display, Map view for profiles and tags, Location tracking during deployments, Data synchronization to office

**In-app purchases:** none


### HydraGO

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ruskin free?

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

### Is HydraGO free?

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

### Do Ruskin or HydraGO have ads?

Neither Ruskin nor HydraGO shows ads.

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

Ruskin ships an update every 4 months, and HydraGO every 24 months. Most recently, Ruskin was updated on November 1, 2026 and HydraGO on November 11, 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.*