Comparison

Soil Explorer vs Geology Toolkit

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Soil Explorer

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
Read full description

Explore detailed maps of soil properties and landscapes for various U.S. states, as well as small-scale maps of soil distributions for the world. Examine the details for a specific area, but also see the overview for a large area. Learn how features shown on the maps correspond to what you observe in the field. Soil Explorer utilizes detailed soil survey data from the USDA Natural Resources Conservation Service and data and maps from the U. S. Geological Survey and other sources to produce informative, highly engaging maps. These maps are designed to show the complex interrelationships between soil properties and the landscapes in which soils occur.

About

Geology Toolkit

Identify rocks with AI and gain a deep understanding of their composition and formation. This app is designed for students and enthusiasts to learn geology beyond simple identification, offering clear explanations and visual tools for study and fieldwork.

Highlights
  • AI-powered rock identification
  • Detailed mineral composition insights
  • Student-friendly explanations
  • Sketch and visual tools for notes
  • Focus on geological understanding
Read full description

Geology Toolkit uses AI to identify rocks and minerals, explain formations and create labelled pencil sketches all from a photo, then tells you the story behind them - how they formed, what they're made of and what else you might find nearby. Also includes geological information like Mohs hardness, luster, chemical formula and much more. Whether you're a curious walker who picked up something interesting, a rockhound building your collection, a student preparing for fieldwork, or a professional working in the field, Geology Toolkit gives you a considered field guide in your pocket. What you can do • Identify rocks, minerals, crystals, gems, and pebbles from photos • Read the full formation story - how each specimen formed, over what timescale, in what conditions • Discover companion minerals commonly found alongside your finds • Save specimens to your personal field guide with sketches, notes, and location • Get confidence scores and alternative identifications for tricky specimens Built for serious curiosity • Rockhounds and collectors building a field guide of finds • Geology and earth science students studying mineralogy, petrology, and classification • Field professionals needing quick, reliable identification and reference • Educators and parents exploring geology with curious learners • Anyone who's ever picked up a stone and wondered what it was Why Geology Toolkit Most rock identifier apps stop at a name. Geology Toolkit goes further - explaining why a rock is what it is, how it formed, and what to look for in the field. Every identification adds to your personal field guide, building a reference you'll return to. Subscribe for unlimited identifications, full formation histories, companion mineral data, and an exportable field record. From photo to real geological understanding - one specimen at a time. Terms of Use: https://www.geologytoolkit.com/terms Privacy Policy: https://www.geologytoolkit.com/privacy-policy

Screenshots

Soil Explorer4 screens
Geology Toolkit4 screens

Verdict

The call

The clearest difference is rating: Geology Toolkit at 4.6 against Soil Explorer's 4.1. Geology Toolkit also leads on update cadence (fortnightly vs every 11 months). Soil Explorer's advantage is in-app purchases (none vs 2). On price, review sentiment, ratings volume and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Geology Toolkit sells 2 in-app purchases, starting at $2.99 per 7 days. Soil Explorer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Geology Toolkit holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 9 and 25 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

Soil Explorer ships an update every 11 months, Geology Toolkit fortnightly. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

Scorecard4 real differences · 6 level
Soil Explorer versus Geology Toolkit: the parameters behind the verdict, then further details
ParameterSoil ExplorerGeology Toolkit
PriceFreeFree
Rating4.1 (9 ratings)4.6 (25 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings925 — better
Update frequencyEvery 11 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.7 — better15.6
Further details — not scored
Size172 MB100 MB
Age rating4+4+
DeveloperPurdue UniversityLaurence Wayne

Customer experience

Soil Explorer

All ratings9 ratings
Positive77.8%
Neutral0.0%
Negative22.2%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

Geology Toolkit

All ratings25 ratings
Positive92.0%
Neutral0.0%
Negative8.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Soil Explorer

No in-app purchases

2 purchases

Geology Toolkit

Subscriptions2
  • Weekly Subscription$2.997 Days
  • Geology AI Yearly Subscription7 Days trial$24.991 Year

Questions

Is Soil Explorer free?
Soil Explorer is free to download, with no in-app purchases.
Is Geology Toolkit free?
Geology Toolkit is free to download, with in-app purchases available.
Which has better reviews, Soil Explorer or Geology Toolkit?
Geology Toolkit is rated higher. Soil Explorer averages 4.1 out of 5 from 9 ratings, while Geology Toolkit averages 4.6 from 25 ratings.
Do Soil Explorer or Geology Toolkit have ads?
Neither Soil Explorer nor Geology Toolkit shows ads.
Which is updated more often, Soil Explorer or Geology Toolkit?
Soil Explorer ships an update every 11 months, and Geology Toolkit fortnightly. Most recently, Soil Explorer was updated on September 19, 2026 and Geology Toolkit on September 9, 2026.

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