e vs Rock ID
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 6200+ mineral species database
- Detailed species information
- Offline access
- Links to e-Rocks.com catalog
- Quick and easy to use
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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
Rock ID
Instantly identify rocks, minerals, and gems by snapping a photo. Explore detailed profiles, manage your personal collections, and keep a log of all your discoveries. Become a geology expert with this comprehensive guide.
- Instant AI-powered stone identification
- Vast catalog of rock profiles
- Personal rock and mineral collections
- Detailed history of identifications
- Learn rock composition and origin
- Distinguish real gems from fakes
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If you’re looking for an app to help you identify rocks and track your mineral collection, you’ve struck gold! Rock ID is an ultimate package of features that lets you manage your assortment of rocks and pick up some essential geology facts along the way. 1. Identify any unknown stones and minerals instantly! Having a hard time trying to identify the weird rock you’ve come across? Unsure if you’re about to purchase a genuine obsidian stone or a worthless imitation? Let Rock ID solve the mystery for you! Just snap a picture of any stone or mineral, and the app’s rock identifier will effortlessly recognize it. Rock ID can even distinguish a real diamond from a fake one. 2. Learn more about various types of rocks! Eager to get to know your rocks in a more effective way? Rock ID can help you with that! Each mineral, gem, rock, and stone in the app’s vast catalog has a descriptive profile. There, you can learn the composition of different rocks, their origin, and if they’re considered valuable. You can also discover if they have any historical or modern use and enjoy a list of intriguing facts about them. 3. Build and manage your rock collections! Want to keep track of your extensive rock collection in one place? Rock ID is the solution you’re looking for! You can easily arrange your collections of rocks, minerals, gems, and crystals and access each of them instantly, view essential information, or shuffle your collections however you desire! 4. Keep track of all your discoveries! Unsure if you’ve already seen that mineral? Rock ID will remember each identified rock for you! The app keeps a lengthy log of all snaps you take, making it virtually impossible to lose any valuable discovery. 5. Why choose Rock ID? • Instant rock identifier powered by AI • Vast catalog of rock profiles • Personal collections of rocks and minerals • Detailed history of all identifications With Rock ID, you’ll become a geology expert in no time! Let the app become your trusty source of mineral knowledge and leave the days of struggling with rock identification behind. Subscribe to Rock ID Premium to get unlimited access to all the app’s features: • Subscriptions are billed weekly, monthly, or annually at the rate depending on the subscription plan. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. All personal data is protected in accordance with the Terms of Use and Privacy Policy: http://aiby.mobi/rockid_ios/terms/ http://aiby.mobi/rockid_ios/privacy/ For any questions or inquiries, please use our customer support form at http://aiby.mobi/rockid_ios/support/
Screenshots
Verdict
The clearest difference is rating: Rock ID at 4.4 against e's 3.0. Rock ID also leads on ratings volume (3.1K vs 2). e's advantage is review sentiment (67% vs 37%) and monetization model (free vs free with in-app purchases). On price, update cadence, 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
Both are free to download. e sells 3 in-app purchases, starting at $22.99 per 3 months and Rock ID sells 13 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Rock ID holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: Rock ID has 3.1K ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 67% of e's written reviews are positive against 37% of Rock ID's, so the app with the better star average is not the one people write more warmly about.
e ships an update every 2 months, Rock ID monthly. The most recent releases landed on October 19, 2026 and October 23, 2026 respectively.
| Parameter | e | Rock ID |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 4.4 (3.1K ratings) — better |
| Positive reviews | 66.7% of reviews — better | 37.3% of reviews |
| Number of ratings | 2 | 3.1K — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 52 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Mark Wrigley | AIBY |
Customer experience
e
Rock ID
Bugs and requests
e
Not enough reviews yet to summarise bugs or requests.
Rock ID
Reported bugs
3 issues- Incorrect identification of common stones
- Failure to recognize obvious stone types
- Inability to scan certain stones
Requested features
4 requests- More detailed stone information
- Improved identification accuracy
- Ability to manually correct misidentifications
- Option to disable paywall for limited use
In-app purchases
e
- e-Rocks Collectors 3 Months$22.993 Months
- e-Rocks Collectors 6 Months$39.006 Months
- e-Rocks Collectors Annual$79.001 Year
Rock ID
- Rock ID PRO3 Days trial$4.997 Days
- Rock ID PRO$4.997 Days
- Weekly access (3 days trial)3 Days trial2 variants$5.997 Days
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- Weekly access2 variants$5.997 Days
- Weekly access (3 days trial)3 Days trial$6.997 Days
- Weekly access$6.997 Days
- Rock ID PRO$6.997 Days
- Rock ID PRO3 Days trial$6.997 Days
- Yearly premium subscription$19.991 Year
- Yearly access (3 days trial)3 Days trial$19.991 Year
- Yearly premium subscription$29.991 Year
- Rock ID PRO2 variants$29.991 Year
- Yearly premium subscription2 variants$39.991 Year









