SIM World
Hutchison Telephone Company Limited
Manage your prepaid SIM with ease using our all new SIM World App! With just a few taps you can check your SIM usage, purchase new packages and instantly top-up. Join us and explore a whole new level of user experience with your prepaid SIM!
Check your balance
- Swift and easy access to your balance
Monitor data usage
- Track your data and voice usage on a dashboard
- Keep track of your roaming data usage
Instant top-up
- Enter voucher PIN to top-up
Purchase a data pass and value-added services
- Easily get and instantly activate data service
- Subscribe to value-added services
Real-Name Registration (if applicable)
- Complete registration with a scan of the document
Self-help Mobile Number Porting (if applicable)
- Port-in your number in as quick as 3 days
Check your balance
- Swift and easy access to your balance
Monitor data usage
- Track your data and voice usage on a dashboard
- Keep track of your roaming data usage
Instant top-up
- Enter voucher PIN to top-up
Purchase a data pass and value-added services
- Easily get and instantly activate data service
- Subscribe to value-added services
Real-Name Registration (if applicable)
- Complete registration with a scan of the document
Self-help Mobile Number Porting (if applicable)
- Port-in your number in as quick as 3 days
Developer email
cs.mobile@three.com.hk
Developer website
https://web.three.com.hk/prepaid/travellerssim/index.htmReleased
Feb 12, 2026
Current version
1.1.4
Android version
6.0