Features & Capabilities

The List of Rock Types Chrome extension provides an easy way to explore the various rock types recognized by petrologists. Since rock classification depends on combinations of chemical composition, mineralogy, grain size, texture, and more, this extension helps you understand the complexity behind identifying rocks.

It covers the three fundamental categories of rocks: sedimentary, metamorphic, and igneous. Users can learn how to differentiate these types based on their texture, streak, and location, among other important factors. Whether you're a student, geology enthusiast, or professional, this tool makes rock identification straightforward and informative.

User Growth & Download Statistics

App
By:
Helpful Books
Downloads:
75,345
Rating:
4.31
(580)
Version:
63.0 Last updated: 2023-08-30
Version code:
63
Creation date:
2018-03-16
Permissions:
  • android.permission.SYSTEM_ALERT_WINDOW High risk
  • com.google.android.gms.permission.AD_ID Moderate risk
  • android.permission.FOREGROUND_SERVICE Low risk
  • android.permission.INTERNET Low risk
  • android.permission.POST_NOTIFICATIONS Low risk
  • android.permission.READ_APP_BADGE Low risk
  • android.permission.RECEIVE_BOOT_COMPLETED Low risk
  • android.permission.WAKE_LOCK Low risk
  • com.anddoes.launcher.permission.UPDATE_COUNT Low risk
  • com.google.android.c2dm.permission.RECEIVE Low risk
  • See more
Size:
7.34MB
Email:
He*****@gmail.com
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Google Play Store
Data ingested on:
2025-07-30
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Android app. Please use these information below to contact the Android app developer.
Developed by:
Helpful Books
Google Play Store
https://play.google.com/store/apps/details?id=com.rocks.type
Email:
He*****@gmail.com
Website:
https://r6663a731.app-ads-txt.com

User Reviews

Users appreciate that the app offers interesting and useful information about rock types with an easy-to-navigate interface, making it fun and helpful for identification. However, multiple users report critical issues: the app often fails to display rock types properly, has frequent intrusive ads, lacks search functionality, and sometimes crashes or is difficult to open. There are also reports of download and naming errors. Overall, while the app has valuable content, usability and technical problems limit its effectiveness.
Pros
  • The app provides interesting and useful information about rock types.
  • Easy to navigate interface according to some users.
  • Good for identifying rocks, especially helpful for beginners or casual users.
  • Users appreciate the comprehensive reference material included.
  • Many users find the app fun and enjoyable to use.
Cons
  • Does not display rock types properly or the content is missing in some versions.
  • Frequent ads interrupt the user experience and are seen as disruptive.
  • App crashes or fails to open for some users.
  • Lack of search functionality makes it difficult to find specific rock types.
  • Some users report issues with incorrect app titles or download problems.
Recent reviews
very nice
by Al*****, 2024-03-06

so interesting
by MU*****, 2022-12-17
View all user reviews ›

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