Comparison

e vs Rock Ident

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

Rock Ident

Features
Read full description

Found a cool rock and wondering what it is — and what it's worth? Rock Ident is your pocket geologist. Point your camera at any rock, crystal or fossil and our AI identifies it instantly — mineral species, hardness, rarity and live market price. HOW IT WORKS - Snap a photo of any rock, crystal, gemstone or fossil - AI identifies the mineral with a confidence score in seconds - See hardness (Mohs), luster, rarity and chemical composition - Get live market value per kg with price trends - Save specimens to your field kit and track your collection's worth YOUR FIELD KIT Every specimen you save joins your collection with its identification and value. Watch your rockhounding hobby turn into a real portfolio. WHAT CAN IT IDENTIFY? Crystals, geodes, gemstones, fossils, meteorites, beach finds, tumbled stones — 4,800+ mineral species covered. GEOLOGIST PRO Go unlimited with Geologist Pro: unlimited identifications, live market prices and dyed & fake stone detection. Try it free for 3 days — cancel anytime. Identifications and value estimates are for guidance only and may not be exact; do not use them as the sole basis for buying or selling. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

e4 screens
Rock Ident4 screens

Verdict

The call

The clearest difference is update cadence: Rock Ident at every 9 days against e's every 2 months. e's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases 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. e sells 3 in-app purchases, starting at $22.99 per 3 months and Rock Ident sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

e ships an update every 2 months, Rock Ident every 9 days. The most recent releases landed on October 19, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 7 level
e versus Rock Ident: the parameters behind the verdict, then further details
ParametereRock Ident
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings2 — better—
Update frequencyEvery 2 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size52 MB37 MB
Age rating4+4+
DeveloperMark WrigleyOsman Aksoy

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
2 purchases

Rock Ident

Subscriptions2
  • Geologist Pro Weekly$9.997 Days
  • Geologist Pro Yearly3 Days trial$49.991 Year

Questions

Is e free?
e is free to download, with in-app purchases available.
Is Rock Ident free?
Rock Ident is free to download, with in-app purchases available.
Do e or Rock Ident have ads?
Neither e nor Rock Ident shows ads.
Which is updated more often, e or Rock Ident?
e ships an update every 2 months, and Rock Ident every 9 days. Most recently, e was updated on October 19, 2026 and Rock Ident on October 11, 2026.

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