Absolutely! You have the option to utilize Astrill for an indefinite period at no cost, provided you perform the "Daily Check-in" activity. Each day, you're granted 1 hour of free usage time. Additionally, you can refer a friend to earn 1 point for each successful referral, which can be exchanged for a 1-day pass. Here are the key details:

• Astrill guarantees the perpetual provision of the daily check-in feature at no charge.
• New users receive 2 hours of free usage time, and you can earn an additional 1 hour of free time the subsequent day by performing the daily check-in.
• There are no restrictions on data usage during the free time, but access is limited to servers located in free locations.
• Points can be accumulated through our referral program, enabling you to redeem various plans.