Gemstone Quiz: Guess the Gem
Gemstone Quiz: Guess the Gem Summary
Gemstone Quiz: Guess the Gem is a mobile Android app in Trivia by Johnny Keolot. Released in Oct 2025 (8 months ago). It has about 226+ installs Based on AppGoblin estimates, it reaches roughly 25 monthly active users . Store metadata: updated Oct 9, 2025.
Recent activity: 7.00 installs this week (22 over 4 weeks) showing below average growth View trends →
Store info: Last updated on Google Play on Oct 9, 2025 .
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App Description
Guess the gemstone from a photo! 4 choices, earn points, become an expert!
Can you tell an amethyst from a ruby? An emerald from a sapphire? Test your knowledge in the exciting quiz "Guess the Gemstone"! Beautiful, captivating images of stones and 4 possible answers await you.
Try to achieve a perfect score and prove that you're a true expert in the world of expensive, beautiful, and highly valuable stones? Start the quiz now!
A stone appears in the quiz, and you're presented with 4 options to choose from, only 1 of which is correct. You're given a time limit to think, and it can be adjusted:
- 3 seconds
- 5 seconds
- 10 seconds
- 15 seconds
The fewer seconds you have to think, the more points you earn. You can also choose from a variety of stones per game:
- 10 stones
- 20 stones
- 30 stones
- 50 stones
The more stones, the more points you earn! A bonus is accumulated for a series of correctly guessed stones, which is lost with the first incorrect answer.