# CropTrak vs RNA Sampling

The clearest difference is update cadence: RNA Sampling at weekly against CropTrak's every 3 weeks. CropTrak's advantage is iOS requirement (13.4 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CropTrak ships an update every 3 weeks, RNA Sampling weekly. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | CropTrak | RNA Sampling |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rna-sampling/id6736910157/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 191 MB | 44 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cogent3D](https://appshunter.io/developer/368052136) | [Crop Diagnostix Inc.](https://appshunter.io/developer/1773792711) |

## What reviewers say

### CropTrak

[App page](https://appshunter.io/ios/app/croptrak/id1540173970)

**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 CropTrak free?

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

### Is RNA Sampling free?

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

### Do CropTrak or RNA Sampling have ads?

Neither CropTrak nor RNA Sampling shows ads.

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

CropTrak ships an update every 3 weeks, and RNA Sampling weekly. Most recently, CropTrak was updated on September 18, 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.*