Airalo vs GigSky: Honest eSIM Provider Comparison

Overview

GigSky was one of the earliest companies to sell travel data over eSIM-capable devices, starting around the Apple SIM era in 2014. Airalo launched in 2019 and has since become one of the most widely recognised eSIM marketplaces. This comparison looks at coverage, pricing, app experience and support so you can pick the right fit for your trip.

Airalo

About

Airalo is a Singapore-founded eSIM marketplace that lists local, regional and global data packs for roughly 200 destinations. It is known for a large catalogue, a polished app and frequent small data packs aimed at short trips. Its plans are data-only, so you keep your home number for calls and texts through apps such as WhatsApp.

Countries covered

200

Price range

Entry-level packs for single countries are generally priced in the low single-digit US dollars; regional and larger bundles cost more. Prices vary by destination and pack size.

Strengths

• Very large catalogue of local, regional and global packs, so most destinations have several size options
• Polished mobile app and website with clear pack details and top-up options
• Small starter packs suit short stays and light users
• Widely reviewed, so it is easy to find traveller feedback for specific countries

Weaknesses

• Data-only plans with no standard voice number, so you rely on messaging apps for calls
• Speed and network quality depend on the local network the pack uses, and experiences vary by country
• Support is largely app and ticket based, which can feel slow if you are stuck at an airport

GigSky

About

GigSky is a California-based provider that was an early mover in eSIM travel data, with roots in Apple's 2014 Apple SIM for iPads. It sells country, regional and worldwide data plans through its app and website, and has long-standing relationships with device makers and some carriers. Its catalogue is smaller and more traditional than a modern marketplace.

Countries covered

190

Price range

Plans are commonly priced higher per gigabyte than budget marketplaces, particularly for small packs. Prices vary by destination and plan size.

Strengths

• Long track record in travel eSIM, including early work with Apple devices
• Clear country, regional and worldwide plans that are simple to compare
• Worldwide plan options suit multi-country itineraries without switching packs
• Established US-based company with a long operating history

Weaknesses

• Per-gigabyte cost is often higher than the cheapest marketplace packs
• Fewer pack sizes and local options than the largest marketplaces
• Less community review coverage for individual countries, so it is harder to check real-world speeds in advance

Side by side

comparison table count

8 rows

Verdict

Airalo is usually the better starting point for most travellers because of its bigger catalogue, flexible pack sizes and generally lower entry prices on single-country trips. GigSky makes more sense if you value a long-established provider, want a simple worldwide plan or already use it through a device or carrier relationship. Neither is universally faster, as real-world speed depends on the local network in each country. Check current prices for your exact destination and confirm your phone is eSIM-compatible and unlocked before you buy.

Where Fresim fits

Fresim takes a different route: instead of buying from one large brand, you can buy from an independent creator or travel brand that runs its own Fresim store, with prices varying by destination and set by each store. Plans cover 190+ destinations and arrive instantly by email, where one tap on Install on iPhone (iOS 17.4+) or Install on Android (Android 10+) sets up the eSIM, and a QR code is there as an easy way to share it or install from another screen. If you create content or run a travel brand, you can open your own store free to start and keep the difference between your price and your cost.