What Handbook of Rocks actually does (from store listing)
<h1><b>Handbook of Rocks is a free android application with the complete list of all rock types.</b></h1>
Nearly all rocks can be classified according to their origin into three major groups. These divisions include igneous rocks, sedimentary rocks, and metamorphic rocks. A few rocks are hybrid in nature.
As the science of rocks (petrology) developed, many rock names were introduced into the scientific literature. Often a different name was assigned to every rock that showed a slight diffe…
Handbook of Rocks is a free android application with the complete list of all rock types.
Nearly all rocks can be classified according to their origin into three major groups. These divisions include igneous rocks, sedimentary rocks, and metamorphic rocks. A few rocks are hybrid in nature.
As the science of rocks (petrology) developed, many rock names were introduced into the scientific literature. Often a different name was assigned to every rock that showed a slight difference from any known rock.
Geology Rocks - Handbook of Rocks provides a compendium of more than 4000 rock types. Keep ROCKing, because I constantly update the app/list.
Made by a Geologist for Geologists.
MAIN FEATURES ⚒️ More than 4000 rock types;
⚒️ Search by a particular field;
⚒️ 22 diagrams useful for the identification of Igneous, Sedimentary, and Metamorphic rocks;
⚒️ Minimalist design;
⚒️ Very fast and fully searchable;
⚒️ Basic details for each rock type.
Each forecast combines App Store rating, ratings count, monetisation model, pricing tier, IAP signals and ad-supported flag.
The base estimate is then multiplied by a per-category scaling factor learned from apps with founder-verified MRR.
Every number on this page comes from public APIs and bumetric's own snapshot history.
Full methodology covers input variables, accuracy bands per category and how we treat apps without comparable anchors.
See also the live data on Handbook of Rocks's tracker page for current rating, reviews and snapshot timeline.
Building something similar? Get a free AI audit with $-revenue forecasts for every recommendation.
metric
Weeras
Pili Pop - English for kids
Lingocard
Russian Made Easy
USMLE-Rx