# EarthOptics Sampling vs RNA Sampling

The clearest difference is rating: RNA Sampling at 5.0 against EarthOptics Sampling's 4.6. RNA Sampling also leads on iOS requirement (15.6 vs 18.0). On price, ratings volume, update cadence and ads 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 4.6. Both are backed by a comparable volume of ratings — 7 and 3 respectively.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 15, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | EarthOptics Sampling | RNA Sampling |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (7 ratings)](https://appshunter.io/ios/app/earthoptics-sampling/id1471211352/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rna-sampling/id6736910157/reviews)** |
| Number of ratings | **7** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | Free |
| Size | 91 MB | 44 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pattern Ag, Inc.](https://appshunter.io/developer/1471211351) | [Crop Diagnostix Inc.](https://appshunter.io/developer/1773792711) |

## What reviewers say

### EarthOptics Sampling

[App page](https://appshunter.io/ios/app/earthoptics-sampling/id1471211352)

This application assists field professionals in executing soil sampling protocols with precision. It leverages advanced soil data and services, including in-field sensing and laboratory testing, to provide comprehensive soil management data.

**Highlights:** Soil attribute measurement and quantification, In-field proximal sensing, Laboratory testing integration, Field sampling protocol execution, Soil management data products

**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 EarthOptics Sampling free?

EarthOptics Sampling 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, EarthOptics Sampling or RNA Sampling?

RNA Sampling is rated higher. EarthOptics Sampling averages 4.6 out of 5 from 7 ratings, while RNA Sampling averages 5.0 from 3 ratings.

### Do EarthOptics Sampling or RNA Sampling have ads?

Neither EarthOptics Sampling nor RNA Sampling shows ads.

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

EarthOptics Sampling ships an update weekly, and RNA Sampling weekly. Most recently, EarthOptics Sampling was updated on September 15, 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.*