# Soil Explorer vs PotteryDex

The clearest difference is price: Soil Explorer at Free against PotteryDex's $0.99. Soil Explorer also leads on iOS requirement (14.7 vs 17.0). PotteryDex's advantage is update cadence (daily vs every 11 months). On ads, in-app purchases and device support there is nothing between them.

Soil Explorer is free to download; PotteryDex costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Soil Explorer ships an update every 11 months, PotteryDex daily. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Soil Explorer | PotteryDex |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.1 (9 ratings)](https://appshunter.io/ios/app/soil-explorer/id996159565/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Daily** |
| Monetization | Free | — |
| Size | 172 MB | 305 MB |
| Requires iOS | **14.7** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Purdue University](https://appshunter.io/developer/371741257) | [Mark Barta](https://appshunter.io/developer/1791238601) |

## 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


### PotteryDex

[App page](https://appshunter.io/ios/app/potterydex/id6759100677)

**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 PotteryDex free?

PotteryDex costs $0.99, with no in-app purchases.

### Do Soil Explorer or PotteryDex have ads?

Neither Soil Explorer nor PotteryDex shows ads.

### Which is updated more often, Soil Explorer or PotteryDex?

Soil Explorer ships an update every 11 months, and PotteryDex daily. Most recently, Soil Explorer was updated on October 17, 2026 and PotteryDex on October 14, 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.*