SIM / eSIM
SIM cards
From travel data to keeping a number, compare costs, SIM formats and usage conditions in one place.
Products and plans
31 / 31 products| Product / plan | Location | Price guide | SIM format | Key benefit / best for | Renewal / number upkeep | Choose plan |
|---|---|---|---|---|---|---|
| SailyJapan eSIM Travel data | Japan | From EUR 3.49 / 7 days | eSIM | From EUR 3.49 with instant connection in Japan and a 180-day activation window, covering light maps to 5GB/day high-speed unlimited data. | Buy for each trip | Plan detailsOfficial site |
| SailyHong Kong eSIM Travel data | China Hong Kong | From USD 3.99 | eSIM | Instant eSIM connectivity from USD 3.99, skipping border SIM queues for seamless navigation and mobile payments across Hong Kong. | Buy for each trip | Plan detailsOfficial site |
| SailyEurope eSIM Travel data | Europe | From USD 4.99 / 7 days | eSIM | Roam across 35 European destinations from USD 4.99 with seamless cross-border switching, from 7-day quick trips to 90-day road tours. | Buy for each trip | Plan detailsOfficial site |
| SailyGlobal eSIM Travel data | Multi-country / global | From USD 8.99 / 7 days | eSIM | Global coverage across 121 destinations with validity up to 365 days, saving frequent fliers from buying separate SIMs on every trip. | Choose data and validity | Plan detailsOfficial site |
| SailyUS phone number subscription App-based number | United States | USD 1.99 / month | Saily app | Keep a US +1 phone number in-app for just USD 1.99/month, with on-demand call and SMS add-ons and easy cancellation. | Monthly renewal | Plan detailsOfficial site |
| SailyUltra subscription Monthly subscription | Multi-country / global | See subscription price on the official site | eSIM | 30GB high-speed data plus 1Mbps fallback across 121+ destinations, bundled with airport lounge and fast-track perks. | Monthly renewal | Plan detailsOfficial site |
| Club SimClub Sim prepaid Mobile SIM | China Hong Kong | Choose a plan on the official site | Physical SIM / eSIM | A true on-demand Hong Kong number backed by tier-1 carrier CSL, built for flexible, low-maintenance ownership. | Buy a service pack within 365 days after expiry | Plan detailsOfficial site |
| 3 Hong Konghaha SIM Mobile SIM | China Hong Kong | Choose a plan on the official site | Physical SIM | Distributed through Fortress, paired with the haha TRAVEL app for flexible worldwide roaming data and calling. | Top up before expiry | Plan detailsOfficial site |
| CTExcel HKChina Telecom HK Greater Bay blue SIM Mobile SIM | China Hong Kong | Choose a plan on the official site | Depends on the SIM product | Tailored for Greater Bay Area travel with shared Mainland-HK-Macau data and seamless cross-border roaming. | Top up before expiry | Plan detailsOfficial site |
| 3 Hong KongMy3 DIY prepaid Mobile SIM | China Hong Kong | HKD 268 / 365-day package | Physical SIM / eSIM | Long-term 365-day multi-region roaming data covering the Greater Bay Area, APAC, and UK/US/CA/ANZ corridors. | Top up before expiry | Plan detailsOfficial site |
| CUniqCUniq GO Monthly Mobile SIM | China Hong Kong | From HKD 48 / 30 days | Physical SIM / eSIM | Flexible Mainland-HK shared data from HKD 48/30 days with no contract, available in physical SIM or eSIM. | Prepay; billed every 30 days | Plan detailsOfficial site |
| Ultra MobilePayGo Mobile SIM | United States | USD 3 / 30 days | Physical SIM | Keep an authentic US phone number for just $3 per 30 days, perfect for low-cost line maintenance and essential SMS. | Renew every 30 days | Plan detailsOfficial site |
| ENC MobileUS mobile SIM Mobile SIM | United States | Choose a plan on the official site | Physical SIM / eSIM | Hassle-free US mobile service backed by full Chinese-language support and Wi-Fi Calling for students and travelers. | Monthly renewal | Plan detailsOfficial site |
| 1PSIMPayGo / Roaming Mobile SIM | United States | Choose a plan on the official site | Physical SIM / eSIM | Modular US PayGo and roaming configurations across SIM and eSIM, tailored for customizable global connectivity. | Monthly renewal | Plan detailsOfficial site |
| TelloCustom talk and data plan Mobile SIM | United States | Choose a plan on the official site | Physical SIM / eSIM | Custom US mobile plans from just $10/mo with mix-and-match data, unlimited talk/text, and zero contracts. | Monthly renewal | Plan detailsOfficial site |
| Google VoicePersonal internet number App-based number | United States | Basic service is free | App / web | A free US virtual number backed by Google, syncing calls and messages across web and mobile. | Keep account and number active | Plan detailsOfficial site |
| TalkatoneApp-based phone number App-based number | United States | Basic service is free | App / internet | An instant app-based US number to call and text across North America over Wi-Fi. | Check in-app number-retention terms | Plan detailsOfficial site |
| giffgaffPay as you go Mobile SIM | United Kingdom | Top-up / usage-based charges | Physical SIM / eSIM | Flexible contract-free UK physical and eSIM, perfect for affordable number parking and global roaming. | Qualifying activity within 6 months | Plan detailsOfficial site |
| Three UKPay As You Go Mobile SIM | United Kingdom | From GBP 10 / 1 month | Physical SIM / eSIM | High-allowance UK prepaid SIM starting at £10, bundling generous data and cross-border roaming. | Renew by package cycle | Plan detailsOfficial site |
| CTExcel UKUK mobile SIM Mobile SIM | United Kingdom | Choose a plan on the official site | Depends on the SIM product | A UK mobile SIM crafted for Sino-British travelers, offering dual-number features and native Chinese support. | Monthly renewal | Plan detailsOfficial site |
| Lebara UKPay As You Go Mobile SIM | United Kingdom | Choose a plan on the official site | Depends on the SIM product | A flexible UK prepaid SIM designed for local life and international calling, balancing domestic data with overseas talk time. | Renew or top up for your plan | Plan detailsOfficial site |
| CMLink UKUK SIM and number services Mobile SIM | United Kingdom | Choose a plan on the official site | Depends on the SIM product | A UK mobile number service tailored for frequent UK-China travelers, featuring bilingual support and unified cross-border communications. | Monthly renewal | Plan detailsOfficial site |
| CTMCTM Macao prepaid Mobile SIM | Macao | Choose a plan on the official site | Depends on the SIM product | A versatile prepaid SIM featuring a genuine Macau number, supporting cross-border tri-region data roaming and self-service management. | Top up before expiry | Plan detailsOfficial site |
| China Telecom MacaoMacao Telecom Greater Bay blue SIM Mobile SIM | Macao | Choose a plan on the official site | Depends on the SIM product | A popular Greater Bay Area prepaid SIM designed for Macau travel and cross-border roaming with flexible validity top-ups. | Top up before expiry | Plan detailsOfficial site |
| Vodafone DECallYa Classic Mobile SIM | Germany | EUR 0 fixed monthly fee · pay per use | Physical SIM / eSIM | A €0 monthly fee German Vodafone prepaid SIM with pay-as-you-go rates, ideal as an affordable European backup number. | Follow activity and credit rules | Plan detailsOfficial site |
| ViettelVietnam prepaid SIM Mobile SIM | Vietnam | Choose a plan on the official site | Physical SIM / eSIM | Direct prepaid plan from Vietnam's top carrier, delivering native connectivity and a local number right upon arrival. | Follow package and account validity | Plan detailsOfficial site |
| SmarToneSmarTone prepaid Mobile SIM | China Hong Kong | From HKD 48 · varies by product | Depends on the SIM product | Flexible prepaid SIM starting from HKD 48, covering HK-Macau transit and remote SMS reception without monthly contract ties. | Top up before expiry | Plan detailsOfficial site |
| AIRSIMAIRSIM travel data SIM Travel data | Multi-country / global | Choose a plan on the official site | Depends on the SIM product | One reusable card across 100+ countries—purchase local data on demand via app and say goodbye to swapping SIMs. | Buy data packages in the app | Plan detailsOfficial site |
| UhuibaoUhuibao cross-border SIM Travel data | China Hong Kong | Choose a plan on the official site | Depends on the SIM product | On-demand cross-border travel data SIM with flexible durations, delivering hassle-free connectivity for short-term getaways. | Renew for the selected product | Plan detailsOfficial site |
| RedPocketUS annual prepaid plans Mobile SIM | United States | Choose a plan on the official site | Depends on the SIM product | Pay once for a full year with auto-refreshed monthly allowances—an effortless, budget-friendly US line keeper. | Annual prepayment / recurring allowances | Plan detailsOfficial site |
| SoSIMSoSIM Hong Kong prepaid Mobile SIM | China Hong Kong | HKD 33 / first 30 days | Physical SIM / eSIM | Get 50GB local data and 1,500 minutes for HKD 33 in your first month; supports eSIM and travel add-ons. | Top up before expiry | Plan detailsOfficial site |
Prices checked on · Prices retain their original currencies. Check taxes, shipping and initial activation charges at checkout.
Choose by purpose first
Travel data
Check destinations, validity and high-speed data. A data-only eSIM does not include a local number for texts. Unlimited data can still have speed limits.
Keep a number long term
Separate the initial SIM cost, recurring fees and required activity. The SIM purchase price alone does not show the ongoing cost.
Calls and texts abroad
Cellular roaming, Wi-Fi Calling and app numbers work differently. Device, network and sender affect service; a number cannot guarantee acceptance by a bank or platform.