AIRSIM

What AIRSIM does

AIRSIM, operated by Shinetown Telecommunication Limited, is a Hong Kong-based travel mobile-data service provider founded in 1997. The company's flagship product is a reusable roaming SIM card that uses Over-The-Air (OTA) technology to automatically configure itself as a local carrier profile upon arrival at a destination, eliminating the need for travelers to physically swap SIMs across countries. The service spans 130+ countries with 5G/4G LTE speeds in most markets, and is managed through two companion mobile applications: AIRSIM ROAM for account management and data package purchases, and AIRTALK ROAM for voice calling including Hong Kong incoming call diversion.

The product portfolio comprises individual country data packages priced from HK$6 to HK$15 per day, multi-country regional packages (Europe 30/34/40 countries from HK$9-HK$17 per day), China-Hong Kong 5G packages up to HK$25 per day, zoned AIRTALK voice minutes, and reusable prepaid SIM cards (HK$120-HK$300). The business runs on a usage-based prepaid revenue model with per-trip, pay-as-you-go billing, supplemented by a corporate enterprise channel ([email protected]) for team data roaming solutions. Distribution combines a direct-to-consumer e-commerce site, iOS/Android apps, physical retail at Hong Kong International Airport METAPOD stores (restricted and non-restricted areas), reload vouchers at 7-Eleven and Circle K convenience stores, and a Causeway Bay support center.

The go-to-market is multi-channel and consumer-led, with marketing partnerships spanning airlines (Greater Bay Airlines, Hong Kong Airlines, Cebu Pacific Air), handset OEMs (Samsung Galaxy S24 launch), sports (Hong Kong Football Association), and athlete associations (Hong Kong Elite Athletes Association). The customer base is predominantly individual Hong Kong-resident travelers seeking affordable, friction-free international data, with a secondary corporate segment for team roaming. AIRSIM is privately held, independently operated with no disclosed institutional funding, and operates with approximately 7 employees.

Name

AIRSIM

Legal name

Shinetown Telecommunication Limited

Website

https://airsim.com.hk

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

AIRSIM is a Hong Kong-based travel mobile-data provider that sells a reusable roaming SIM card using OTA auto-configuration technology to deliver mobile data across 130+ countries, serving primarily Hong Kong-resident individual travelers and corporate clients via retail, app, and online channels.

Ownership category

akta.pro rank

Product category

International Mobile Roaming / Travel Data Services

NAICS

Wireless Telecommunications Carriers (except Satellite) (517112)

SIC

Radiotelephone Communications (4812)

akta.pro primary industry

International Bill Pay & Cross-Border Airtime/Top-Up (FSAGAKAM)

Keywords

• International roaming SIM
• Travel data packages
• Mobile roaming services
• Prepaid SIM cards
• Global data connectivity

Headquarters

HQ city

Causeway Bay

HQ country

Hong Kong SAR China

HQ region

Asia

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Operations, Marketing or Sales, Personnel, Technology or R&D, Supply Chain, Infrastructure

Revenue model

1. Prepaid SIM Card Sales: One-time sale of AIRSIM prepaid cards with stored value (HK$100, HK$200, HK$300 denominations). Cards are reusable - customers retain balance and top up for subsequent trips
2. Data Package Sales: Usage-based prepaid data packages purchased per trip. Prices range from HK$6-15 per day for single country packages, multi-country packages from HK$9-17 per day. Data packages auto-activate upon arrival
3. AIRTALK Voice Packages: Add-on voice call packages for international calling. Zone-based pricing: Zone A from HK$40 (60 mins/30 days), Zone B from HK$58, Zone C from HK$98. Includes 30 free minutes with each data package purchase
4. Corporate Enterprise Solutions: Dedicated corporate data roaming packages for business customers, providing team-wide mobile data solutions across 130+ destinations

Pricing tiers

Go-to-market motion3 records

Distribution channels7 records

Marketing channels6 records

Core offering

AIRSIM provides a reusable international roaming SIM card that uses proprietary OTA (Over-The-Air) technology to automatically configure itself as a local carrier SIM profile upon arrival at overseas destinations, delivering mobile data connectivity in 130+ countries and regions without requiring physical SIM replacement. The company monetizes through prepaid SIM card sales (HK$100/200/300 denominations), per-day country and multi-country data packages, zone-based AIRTALK voice calling packages, and corporate enterprise data roaming solutions, supported by the AIRSIM ROAM and AIRTALK ROAM mobile applications for iOS and Android.

Product overview

AIRSIM is a travel-focused mobile data service provider offering a reusable roaming SIM card ecosystem. The core product is the AIRSIM, which uses OTA (Over-The-Air) technology to automatically configure itself as a local SIM at the destination. The product portfolio includes two companion mobile apps—AIRSIM ROAM for account management and data purchases, and AIRTALK ROAM for voice calling services. Individual country and multi-country data packages are available alongside prepaid SIM cards with top-up credits. AIRSIM also offers corporate solutions for enterprise clients. The service covers 130+ countries and regions globally.

Differentiator

Problem solved

Functional benefit

Brands

• AIRSIMe: Sub-brand mentioned on website linking to airsime.com
• AIRTALK
• AIRSIM ROAM
• AIRTALK ROAM

Products and services

• AIRSIM Reusable Roaming SIM Card

Quantifiable outcome

• Data packages available in 130+ countries with 5G/4G LTE speeds
• +2 more outcomes

Named customers2 records

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Six partnerships are on record, tiered minor.

• Hong Kong Elite Athletes Association (HKEAA)minorGTM or Marketing Partner · 17 July 2024AIRSIM participated in HKEAA and Elite Athletes Charity Foundation anniversary dinner event
• Hong Kong Football Association (HKFA)minorGTM or Marketing Partner · 25 March 2024AIRSIM is the official designated travel SIM card sponsor for HKFA players, providing international data roaming services for football team members
• Samsung ElectronicsminorGTM or Marketing Partner · 19 January 2024AIRSIM participated as a partner at Samsung Galaxy S24 series launch event. Collaboration for product launch marketing activities targeting smartphone users who need international data services
• Greater Bay AirlinesminorGTM or Marketing Partner · 12 December 2023AIRSIM invited to Greater Bay Airlines anniversary celebration event. Marketing partnership for airline-related promotional activities
• Hong Kong AirlinesminorGTM or Marketing Partner · 7 December 2023AIRSIM participated in Hong Kong Airlines event celebrating Kumamoto route resumption. Marketing collaboration for Japan travel routes
• Cebu Pacific AirminorGTM or Marketing Partner · 28 September 2023AIRSIM invited to participate in Cebu Pacific Air promotional event, increasing brand awareness among Filipino travel segment

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Ubigi: Ubigi provides global eSIM data plans for travelers and connected cars across 200+ destinations. It competes with AIRSIM in cross-border mobile data and is offered as a white-label/embedded connectivity service for automotive and device manufacturers.
• Airalo: Airalo is the largest eSIM marketplace for travelers, offering data plans in 200+ countries via a mobile app. It directly competes with AIRSIM's travel data roaming offering but uses eSIM-first digital delivery, whereas AIRSIM uses a reusable physical SIM with OTA configuration.
• Knowroaming: Knowroaming sells international roaming SIM cards and data packages for travelers, including a hotspot device. It overlaps AIRSIM in physical-SIM-based travel data and app-managed top-ups, particularly for the North American and global traveler markets.
• Truphone: Truphone operates as a global mobile network offering eSIM data plans for international travelers and IoT connectivity. It competes with AIRSIM by combining its own network infrastructure with multi-country SIM/eSIM bundles aimed at frequent travelers.
• GigSky: GigSky provides global mobile data through eSIM and physical SIM apps for travelers and IoT devices across 190+ countries. It is directly comparable to AIRSIM in cross-border data service delivery model and target traveler segment.
• Holafly: Holafly provides eSIM data plans for international travelers with unlimited data options in 160+ destinations. It targets the same use case as AIRSIM—affordable mobile data for outbound travelers—but competes via eSIM with no physical product required.
• Flexiroam: Flexiroam offers global mobile data via micro-SIM overlays and eSIM apps covering 150+ countries, targeting travelers who want a single SIM for multi-country trips—similar to AIRSIM's reusable multi-country data proposition.

Broad incumbents

• Google Fi Wireless: Google Fi is a US-based mobile virtual network operator offering international roaming data in 200+ destinations at flat rates. It competes with AIRSIM for cross-border traveler connectivity but as part of Google's broader connectivity and devices ecosystem.

Regional players

• 3 Hong Kong (Three HK): 3HK is a major Hong Kong mobile operator offering international roaming data passes and travel SIM products targeting the same Hong Kong outbound traveler base as AIRSIM. It competes via day-pass roaming on the home network rather than a reusable multi-country SIM.
• CSL Mobile: CSL is one of Hong Kong's largest mobile operators offering roaming data plans, data roaming day passes, and roaming SIM services to HK outbound travelers. It is a regional incumbent with overlapping customer base (HK travelers) but offers postpaid/SIM-based roaming rather than AIRSIM's reusable prepaid multi-country SIM.

Market position

Strengths3 records

Weaknesses4 records

Competitive moat4 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/airsimonline
• LinkedInlinkedin.com/company/airsimhk

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about AIRSIM