Download BigC from the App Store or Google Play.
If the app is not available in your country's app market:
Android: Download the APK
Alternatively, use the BigC website, but note that you can’t watch ads or complete missions there.
Tap the “My” profile icon at the bottom right.
Tap “Sign in required” at the top.
Choose your preferred sign-up method:
Apple
Kakao
Line
Tap the "CHOICE" button at the bottom.
Tap the gem icon at the top right of the screen.
Under “Free Gems,” next to the "Attendance" section, tap “Check In.”
You’ll earn 20 BigC Gems by checking in daily.
You can check in only once per day.
Tap the "CHOICE" button at the bottom.
Tap the gem icon at the top right of the screen.
Under "Free Gems,” next to the "Check out invitation events" section, tap the black button.
You’ll earn 10 BigC Gems by checking the events daily.
You can check events only once per day.
Tap the "CHOICE" button at the bottom.
Tap the gem icon at the top right.
Under “Free Gems,” next to the “Easy Missions (Global)" section, tap “Take on” to view available missions.
Complete missions for varying amounts of BigC Gems
If needed, enable app tracking in your device settings.
Tap the "CHOICE" button at the bottom.
Tap the gem icon at the top right.
Under “Free Gems,” tap the “View” button next to the “View Video Ads” section to watch an ad.
Earn 3 BigC Gems per ad watched.
Watch up to 100 ads per day (ad count resets daily at 12 AM KST).
You can watch 3 ads every 10 minutes.
Tap the "CHOICE" button at the bottom.
Tap the gem icon at the top right.
Under “Free Gems,” tap the black button next to the “Visit BIGC's SNS” section.
You will be redirected to Twitter (X). Switch back to BIGC.
You’ll earn 15 BigC Gems by checking BIGC's Twitter account daily.
You can check BIGC's Twitter account only once per day.
Tap the "CHOICE" button at the bottom.
Find and tap on the target poll.
Look for the artist you are voting for in the list.
Tap the “Vote” button next to the artist.
A pop-up will appear, asking how many votes you want to cast.
Enter the number of votes you want to cast and tap “Vote”.