# NSTracker vs RNA Sampling

The clearest difference is rating: RNA Sampling at 5.0 against NSTracker's 4.2. RNA Sampling also leads on update cadence (weekly vs every 2 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.

RNA Sampling holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 6 and 3 respectively.

NSTracker ships an update every 2 months, RNA Sampling weekly. The most recent releases landed on August 3, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | NSTracker | RNA Sampling |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (6 ratings)](https://appshunter.io/ios/app/nstracker/id516392828/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rna-sampling/id6736910157/reviews)** |
| Number of ratings | **6** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 67 MB | 44 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nutrien AG Solutions, Inc.](https://appshunter.io/developer/516392831) | [Crop Diagnostix Inc.](https://appshunter.io/developer/1773792711) |

## What reviewers say

### NSTracker

[App page](https://appshunter.io/ios/app/nstracker/id516392828)

This app allows field samplers to submit lab samples for soil, tissue, and water. It supports adding growers, farms, and fields, with geospatial mapping and access to historical data. Users can also manage favorites and customize their experience.

**Highlights:** Lab sample submission (soil, tissue, water), Grower, farm, and field management, Geospatial boundary mapping, Sample history and report access, Quick resampling, Favorites and customization

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

**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 NSTracker free?

NSTracker 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, NSTracker or RNA Sampling?

RNA Sampling is rated higher. NSTracker averages 4.2 out of 5 from 6 ratings, while RNA Sampling averages 5.0 from 3 ratings.

### Do NSTracker or RNA Sampling have ads?

Neither NSTracker nor RNA Sampling shows ads.

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

NSTracker ships an update every 2 months, and RNA Sampling weekly. Most recently, NSTracker was updated on August 3, 2026 and RNA Sampling on September 17, 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.*