# Soil Explorer vs Stereonet Mobile

The clearest difference is review sentiment: Stereonet Mobile at 73% against Soil Explorer's 0%. Stereonet Mobile also leads on update cadence (monthly vs every 11 months) and rating (4.5 vs 4.1). 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.

Stereonet Mobile holds the better App Store score, 4.5 against 4.1. Both are backed by a comparable volume of ratings — 9 and 13 respectively. Written reviews point the same way: 0% of Soil Explorer's written reviews are positive against 73% of Stereonet Mobile's.

Soil Explorer ships an update every 11 months, Stereonet Mobile monthly. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Soil Explorer | Stereonet Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (9 ratings)](https://appshunter.io/ios/app/soil-explorer/id996159565/reviews) | **[4.5 (13 ratings)](https://appshunter.io/ios/app/stereonet-mobile/id1194772610/reviews)** |
| Number of ratings | 9 | **13** |
| Positive reviews | 0.0% of reviews | **72.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Monthly** |
| Monetization | Free | Free |
| Size | 172 MB | 29 MB |
| Requires iOS | **14.7** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Purdue University](https://appshunter.io/developer/371741257) | [Richard Allmendinger](https://appshunter.io/developer/1194772609) |

## What reviewers say

### Soil Explorer

[App page](https://appshunter.io/ios/app/soil-explorer/id996159565)

Discover detailed soil property and landscape maps for U.S. states and global soil distributions. Understand how map features relate to real-world observations. This educational tool uses data from USDA and USGS to illustrate complex soil-landscape relationships.

**Highlights:** Detailed soil property maps, Landscape visualizations, Global soil distribution maps, Field observation correlation, USDA NRCS data integration, USGS data integration

**Features:** Vision Pro support

**In-app purchases:** none


### Stereonet Mobile

[App page](https://appshunter.io/ios/app/stereonet-mobile/id1194772610)

This app assists geologists in collecting, visualizing, and analyzing geological orientation data. It offers automatic data entry using device sensors and augmented reality, manual input options, and various plotting and calculation tools for geological features.

**Highlights:** Automatic data entry via device orientation, Augmented reality for strike and dip measurement, Manual data entry via stereonet or text fields, Plotting of lines and planes with user-defined types, Basic geological calculations (rotations, angles, slope stability), Plotting of mean vectors, rose diagrams, and contour lines, View plots from any orientation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Soil Explorer free?

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

### Is Stereonet Mobile free?

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

### Which has better reviews, Soil Explorer or Stereonet Mobile?

Stereonet Mobile is rated higher. Soil Explorer averages 4.1 out of 5 from 9 ratings, while Stereonet Mobile averages 4.5 from 13 ratings.

### Do Soil Explorer or Stereonet Mobile have ads?

Neither Soil Explorer nor Stereonet Mobile shows ads.

### Which is updated more often, Soil Explorer or Stereonet Mobile?

Soil Explorer ships an update every 11 months, and Stereonet Mobile monthly. Most recently, Soil Explorer was updated on October 24, 2026 and Stereonet Mobile on October 12, 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.*