A Google user
★★★★★
"Informative publication"
A Google user
★★★★★
"Its exactly what i wanted."
Version: 2019.11
A Google user
★★★★★
"it`s little bit good but info of minerals is limited"
Version: 2019.8
A Google user
★★★★
"Its good, not great but pretty good."
Version: 2019.8
candy davis
★★★★★
"Like reading and very informative"
Version: 2020.2
A Google user
★★★★★
"Very useful app. Comprehensive."
Version: 2019.8
A Google user
★★★★
"pretty good thank you"
Version: 2019.8
A Google user
★
"no pictures not incredibly helpful"
addis hun
★★★★
"Very good app. I recommend it for everyone to test it!"
Version: 2020.9
A Google user
★★
"Not very impressed with it doesn`t explain very well."
Version: 2020.2
Taras Alan Bromhead
★
"It`s of no use without pictures"
Version: 2020.9
Julian Grodzicky
★★★★★
"Works for me so far"
Version: 2020.9
A Google user
★★
"Useful, yes, but simple info and too many advertizements that are unrelated."
Version: 2019.11
The Karma Farmer
★★★★
"Could do with pictures but hey, it`s free and interesting."
Version: 2020.9
Uwe Roepke
★★★★★
"Provides all the information I need. Excellent."
Version: 2020.9
A Google user
★
"I personally think it sucked, don`t waste your time."
A Google user
★★★★★
"Great app fun way to learn about minerals"
Version: 2019.11
A Google user
★
"too many info, noone needs that much in an offline guide :P"
Version: 2019.8
A Google user
★★★★★
"Love the pictures."
Version: 2020.2
A Google user
★★★★★
"Great resource for beginners and experts"