# SensusMobile vs HydroData

The clearest difference is rating: SensusMobile at 5.0 against HydroData's 2.6. SensusMobile also leads on iOS requirement (10.0 vs 17.6). HydroData's advantage is ratings volume (5 vs 1). On price, update cadence, 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.

SensusMobile holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: HydroData has 5 ratings behind it against 1, so its average is the more settled of the two.

SensusMobile ships an update every 5 weeks, HydroData monthly. The most recent releases landed on June 25, 2026 and August 5, 2026 respectively.

## The numbers

| Metric | SensusMobile | HydroData |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sensusmobile/id1053498740/reviews)** | [2.6 (5 ratings)](https://appshunter.io/ios/app/hydrodata/id1576887037/reviews) |
| Number of ratings | 1 | **5** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 135 MB | 50 MB |
| Requires iOS | **10.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [UVA Apps, LLC](https://appshunter.io/developer/881105800) | [Longitude 103](https://appshunter.io/developer/1576887039) |

## What reviewers say

### SensusMobile

[App page](https://appshunter.io/ios/app/sensusmobile/id1053498740)

This system monitors device information, interacts with users for data input, and anonymizes collected data for research. It can track health indicators and integrate with Bluetooth sensors, requiring user configuration for data collection.

**Highlights:** Mobile sensing system, User interaction for data input, Data anonymization, Local and remote data storage, HealthKit integration, Bluetooth sensor integration

**Features:** macOS Compatibility

**In-app purchases:** none


### HydroData

[App page](https://appshunter.io/ios/app/hydrodata/id1576887037)

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.

**Highlights:** Field data collection, Map-based feature selection, Location tracking, Cloud synchronization, Well water level logging, Dam inspection reports

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SensusMobile free?

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

### Is HydroData free?

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

### Which has better reviews, SensusMobile or HydroData?

SensusMobile is rated higher. SensusMobile averages 5.0 out of 5 from 1 ratings, while HydroData averages 2.6 from 5 ratings.

### Do SensusMobile or HydroData have ads?

Neither SensusMobile nor HydroData shows ads.

### Which is updated more often, SensusMobile or HydroData?

SensusMobile ships an update every 5 weeks, and HydroData monthly. Most recently, SensusMobile was updated on June 25, 2026 and HydroData on August 5, 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.*