# NRPA Events vs HydroApps

The clearest difference is review sentiment: HydroApps at 67% against NRPA Events's 0%. HydroApps also leads on rating (4.8 vs 3.6) and update cadence (every 3 weeks vs every 7 months). On price, ratings volume, 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.

HydroApps holds the better App Store score, 4.8 against 3.6. Both are backed by a comparable volume of ratings — 9 and 10 respectively. Written reviews point the same way: 0% of NRPA Events's written reviews are positive against 67% of HydroApps's.

NRPA Events ships an update every 7 months, HydroApps every 3 weeks. The most recent releases landed on September 18, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | NRPA Events | HydroApps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (9 ratings)](https://appshunter.io/ios/app/nrpa-events/id911589613/reviews) | **[4.8 (10 ratings)](https://appshunter.io/ios/app/hydroapps/id6758952918/reviews)** |
| Number of ratings | 9 | **10** |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 53 MB | 48 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NRPA](https://appshunter.io/developer/1348749591) | [HYDROAPPS LLC](https://appshunter.io/developer/1875957664) |

## What reviewers say

### NRPA Events

[App page](https://appshunter.io/ios/app/nrpa-events/id911589613)

Enhance your event experience with this official app. Plan your schedule, take notes, connect with others, and receive real-time updates. Access event information and social feeds conveniently on your mobile device.

**Highlights:** Custom itinerary creation, Session note-taking, Connect with colleagues and exhibitors, Real-time announcements, Access event Twitter feed, Sync across devices

**Features:** Vision Pro support

**In-app purchases:** none


### HydroApps

[App page](https://appshunter.io/ios/app/hydroapps/id6758952918)

This app digitizes operations for aquatic and recreation facilities, replacing paper logs with real-time data for inspections, water testing, and staff management. It enhances safety, efficiency, and accountability for teams of all sizes, providing powerful performance insights.

**Highlights:** Streamline inspections, Water testing management, Staff management, Real-time data logging, Performance insights, Compliance assurance

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

**In-app purchases:** none


## Frequently asked questions

### Is NRPA Events free?

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

### Is HydroApps free?

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

### Which has better reviews, NRPA Events or HydroApps?

HydroApps is rated higher. NRPA Events averages 3.6 out of 5 from 9 ratings, while HydroApps averages 4.8 from 10 ratings.

### Do NRPA Events or HydroApps have ads?

Neither NRPA Events nor HydroApps shows ads.

### Which is updated more often, NRPA Events or HydroApps?

NRPA Events ships an update every 7 months, and HydroApps every 3 weeks. Most recently, NRPA Events was updated on September 18, 2026 and HydroApps on September 27, 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.*