📈Last 7 days+11 installs — 58% slower than the week before (+26) · 1/day since Oct 7
🏆Among Books & Reference appstop 35% by installs gained this week (360 peers growing)
⭐Rating steady at ★ 4.56 since Oct 7
🛠Updatesquiet · updated 52 days ago
Installs since launch
+37 installs
· 0 ratings
since Oct 7
Update history
4.17Sep 19, 2026 · seen Oct 21, 2026
- Android 17 improvements.<br>- Updated material, sql, db libs.<br><br>Recent:<br>- Added new crystals.<br>- Added new mini-article: solubility testing.<br>- Added tenacity & radioactivity data.<br>- Performance improvements.<br><br>More features & new crystals are coming! These updates are dedicated to those who have supported us with 5 stars! ❤️ It's a small thing, but helps us a lot
Only the current version so far — new entries appear as the app ships updates.
Crystal Guide® Pocket Edition is a books & reference app by M.Stevens with 10,000+ downloads (about 26K estimated). +11 installs in the last 7 days. Rated 4.6 from 629 ratings. Released Apr 21, 2011. Install growth, rank history, SDKs and ad networks.
From the store listing: “The Original & Authentic Crystals, Gemstones, Rocks & Minerals Encyclopedia.”
