Comparison

e vs Geology365

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

Head to head
About

e

Access a comprehensive database of over 6200 mineral species with detailed facts, including names, formulas, occurrences, and properties. This offline-capable app provides quick lookups and links to a larger online mineral catalog.

Highlights
  • 6200+ mineral species database
  • Detailed species information
  • Offline access
  • Links to e-Rocks.com catalog
  • Quick and easy to use
Features
Read full description

e‑Rocks is the orignal curated marketplace and reference platform for mineral collectors, dealers, and enthusiasts worldwide. Browse thousands of minerals and specimens for sale from accredited dealers and private sellers. Search and filter by mineral species, locality, classification and price. Use the mineral wiki to explore wider species information, chemistry, and crystallography data. What you can do with e‑Rocks: Browse and search an extensive catalogue of minerals and specimens both currently being sold and in our extensive archive of over 820,000 specimens built over 20 years. Use advanced filters for species, locality, class, and more View rich specimen detail pages with photos and key data Follow auctions, save favourites, and manage watchlists currently via the e-Rocks website Explore mineral taxonomy and reference data via the mineral wiki Sign in to sync your account between web and mobile Access premium collector features with an optional subscription for more pictures and archive data Whether you’re an experienced collector or just starting out, e‑Rocks gives you a huge mineralogical refernce in your pocket. Support: support@e-rocks.com Privacy Policy: https://e-rocks.com/e-rocks-apps-privacy-policy Terms of Use: https://e-rocks.com/about/terms-conditions

About

Geology365

Organize and catalog your mineral collection with this app. Document specimens with photos and details like name, origin, size, value, and acquisition history. Access your collection offline for easy field use.

Highlights
  • Mineral collection cataloging
  • Specimen documentation with photos
  • Track specimen details (name, origin, size, value)
  • Acquisition history tracking
  • Offline access
  • Searchable collection
Features
Currently charting
Read full description

Keep your mineral collection organized, accessible, and beautifully cataloged with our easy-to-use Mineral Collection Cataloging Software. Whether you're a hobbyist, student, or serious collector, this app helps you document every specimen with photos, and key details. Track specimen names, origins, sizes, values, and acquisition history. Access your collection offline or in the field. Stay on top of your collection and make your collection searchable anytime. Designed for mineral enthusiasts of all ages, this app brings structure and enjoyment to your collecting journey.

Screenshots

e4 screens
Geology3653 screens

Verdict

The call

The clearest difference is price: e at Free against Geology365's $2.99. Geology365's advantage is rating (4.0 vs 3.0) and in-app purchases (none vs 3). On ratings volume, update cadence, ads and device support 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

e is free to download; Geology365 costs $2.99 up front. e sells 3 in-app purchases, starting at $22.99 per 3 months. Geology365 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Geology365 holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 67% of e's written reviews are positive against 100% of Geology365's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

Scorecard7 real differences · 4 level
e versus Geology365: the parameters behind the verdict, then further details
ParametereGeology365
PriceFree — better$2.99
Rating3.0 (2 ratings)4.0 (2 ratings) — better
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings22
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree — betterPaid
Best chart rank—#200 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size52 MB40 MB
Age rating4+4+
DeveloperMark WrigleyRyan Mark Klockner

Customer experience

e

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Geology365

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

e

Subscriptions3
  • e-Rocks Collectors 3 Months$22.993 Months
  • e-Rocks Collectors 6 Months$39.006 Months
  • e-Rocks Collectors Annual$79.001 Year
None

Geology365

No in-app purchases

Questions

Is e free?
e is free to download, with in-app purchases available.
Is Geology365 free?
Geology365 costs $2.99, with no in-app purchases.
Which has better reviews, e or Geology365?
Geology365 is rated higher. e averages 3.0 out of 5 from 2 ratings, while Geology365 averages 4.0 from 2 ratings.
Do e or Geology365 have ads?
Neither e nor Geology365 shows ads.
Which is updated more often, e or Geology365?
e ships an update every 2 months, and Geology365 every 2 months. Most recently, e was updated on October 19, 2026 and Geology365 on October 25, 2026.

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