HydroData vs Hydro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HydroData
This app enables field data collection with map integration to pinpoint features and track your location. It supports gathering field reports, well water levels, and dam inspection data, syncing it all to the cloud when convenient.
- Field data collection
- Map-based feature selection
- Location tracking
- Cloud synchronization
- Well water level logging
- Dam inspection reports
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The application allows you to collect information within the field and then sync back to the cloud whenever you are ready. This includes a full map to select the feature while seeing your location on the map as well. It will also allow you to collect field reports, well water levels, and dam inspections.
Hydro
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Hydro - The ultimate app for accurate water information! With this innovative app, you always have an overview of all important data on water levels, water temperatures, precipitation and groundwater levels in the Austrian province of Upper Austria. - Current water levels: Follow the current water levels of the rivers, lakes and bodies of water in Upper Austria in real time. - Water temperatures: Find out the current water temperatures of the various bodies of water. - Rainfall: Stay informed about the amount of precipitation in Upper Austria. - Groundwater level: Get important information about the groundwater level. - Open data interface: All data is obtained via an open data interface - Datasource: Land Oberösterreich - data.ooe.gv.at
Screenshots
Verdict
The clearest difference is iOS requirement: HydroData at 17.6 against Hydro's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 15, 2026 and September 22, 2026 respectively.
| Parameter | HydroData | Hydro |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (5 ratings) — better | — |
| Number of ratings | 5 — better | — |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 17.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 50 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Longitude 103 | Patrick |
In-app purchases
HydroData
No in-app purchases
Hydro
No in-app purchases
