# VandWater vs RNA Sampling

The clearest difference is rating: RNA Sampling at 5.0 against VandWater's 4.0. RNA Sampling also leads on update cadence (weekly vs every 5 weeks). 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.

RNA Sampling holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 5 and 3 respectively.

VandWater ships an update every 5 weeks, RNA Sampling weekly. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | VandWater | RNA Sampling |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (5 ratings)](https://appshunter.io/ios/app/vandwater/id6445821595/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rna-sampling/id6736910157/reviews)** |
| Number of ratings | **5** | 3 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 80 MB | 44 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VandWater, Inc.](https://appshunter.io/developer/1673986830) | [Crop Diagnostix Inc.](https://appshunter.io/developer/1773792711) |

## What reviewers say

### VandWater

[App page](https://appshunter.io/ios/app/vandwater/id6445821595)

This app offers a secure and straightforward solution for tracking, managing, and reporting water activity. It combines science and technology to help users understand water management challenges, stay compliant with regulations, and maximize water efficiency. The platform provides tools for monitoring well activity and water rights history.

**Highlights:** Water activity tracking, Compliance reporting, Water efficiency maximization, Well activity logs, Water rights history, Sustainable water management tools

**Features:** macOS Compatibility

**In-app purchases:** none


### RNA Sampling

[App page](https://appshunter.io/ios/app/rna-sampling/id6736910157)

This app streamlines agricultural sample data collection for clients. It features QR code scanning, real-time data processing, and smart management of field samples and test results. Organize, edit, and track your sample history with ease, even offline.

**Highlights:** QR code scanning for sample tags, Real-time data processing and validation, Organize field samples and test results, Edit and update sample records, Add field observations and notes, Track sample history with timestamps, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is VandWater free?

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

### Is RNA Sampling free?

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

### Which has better reviews, VandWater or RNA Sampling?

RNA Sampling is rated higher. VandWater averages 4.0 out of 5 from 5 ratings, while RNA Sampling averages 5.0 from 3 ratings.

### Do VandWater or RNA Sampling have ads?

Neither VandWater nor RNA Sampling shows ads.

### Which is updated more often, VandWater or RNA Sampling?

VandWater ships an update every 5 weeks, and RNA Sampling weekly. Most recently, VandWater was updated on October 12, 2026 and RNA Sampling on October 4, 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.*