# GDM Explore vs Soil Sampler.

The clearest difference is in-app purchases: GDM Explore at none against Soil Sampler.'s 1. GDM Explore also leads on update cadence (every 4 weeks vs every 4 months) and ratings volume (11 vs 1). Soil Sampler.'s advantage is iOS requirement (13.0 vs 15.1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Soil Sampler. sells 1 one-off in-app purchase. GDM Explore asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for GDM Explore against 5.0 for Soil Sampler.. That said, the two scores are not equally well evidenced: GDM Explore has 11 ratings behind it against 1, so its average is the more settled of the two.

GDM Explore ships an update every 4 weeks, Soil Sampler. every 4 months. The most recent releases landed on June 1, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | GDM Explore | Soil Sampler. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (11 ratings)](https://appshunter.io/ios/app/gdm-explore/id1471039737/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/soil-sampler/id6758992938/reviews) |
| Number of ratings | **11** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 68 MB | 55 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [GDM Holding S.A.](https://appshunter.io/developer/1478300672) | [Sachinbhai Surani](https://appshunter.io/developer/1838685550) |

## What reviewers say

### GDM Explore

[App page](https://appshunter.io/ios/app/gdm-explore/id1471039737)

Streamline soybean genetics evaluation with this mobile tool. Schedule appointments, navigate to plots, scan QR codes for information, and take detailed notes and pictures. It's a practical and efficient way to manage your variety assessments.

**Highlights:** Integrated appointment scheduling, Navigation to Explore Plots, QR code scanning for variety info, Detailed note-taking, Picture capture and tagging, Auto-save to online account

**In-app purchases:** none


### Soil Sampler.

[App page](https://appshunter.io/ios/app/soil-sampler/id6758992938)

This application simplifies soil sampling and data management for field professionals. It allows users to efficiently record, organize, and review soil sample details with a user-friendly interface. Improve accuracy and speed in soil investigations and agricultural work.

**Highlights:** Record soil sample details, Organize and manage sampling information, Easy data entry in the field, Clear and readable records, Share results, Lightweight design

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $12.99 | one-time |


## Frequently asked questions

### Is GDM Explore free?

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

### Is Soil Sampler. free?

Soil Sampler. is free to download, with in-app purchases available.

### Which has better reviews, GDM Explore or Soil Sampler.?

GDM Explore and Soil Sampler. are both rated 5.0 out of 5 on the App Store, from 11 and 1 ratings respectively.

### Do GDM Explore or Soil Sampler. have ads?

Neither GDM Explore nor Soil Sampler. shows ads.

### Which is updated more often, GDM Explore or Soil Sampler.?

GDM Explore ships an update every 4 weeks, and Soil Sampler. every 4 months. Most recently, GDM Explore was updated on June 1, 2026 and Soil Sampler. on September 10, 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.*