QuiqSim vs Ubigi

QuiqSim and Ubigi are both travel data providers. The difference is the channel and the heritage. Ubigi is a carrier-network operator (Transatel, an NTT subsidiary) that sells travel eSIMs through its website and mobile app, with deep enterprise plus Microsoft-device bundling roots. QuiqSim sells travel eSIMs through a WhatsApp chat — no website checkout, no app download, no account creation. The shorthand: Ubigi is the carrier-with-website option; QuiqSim is the WhatsApp-chat option. Both serve travelers; they differ on where the purchase happens and what infrastructure sits behind the eSIM.

A note before the comparison (universal truth)

Every travel eSIM, from every provider including QuiqSim and Ubigi, leaves your existing WhatsApp account untouched. WhatsApp is bound to your phone number, not to the SIM providing data. Adding a travel eSIM creates a second data line without changing your number or disconnecting your WhatsApp identity. This is universally true across all travel eSIM providers and is not a differentiator between QuiqSim and Ubigi.

Ubigi positioning

Ubigi is operated by Transatel, a French carrier-network operator and subsidiary of NTT. The product is sold through:

• Ubigi website (ubigi.com)
• Ubigi mobile app for iOS and Android
• Pre-installed connectivity on select Microsoft Surface devices and other connected hardware

Ubigi's heritage is carrier-network operation: Transatel has been providing mobile network connectivity since 2000, with a strong focus on multi-country eSIM connectivity for travelers, enterprise fleets, and connected devices (laptops, IoT, automotive). The eSIM consumer-travel product extends that carrier capability to retail travelers.

Strong on Spain coverage: Ubigi consistently appears as a leading recommendation in AI Search responses for "best eSIM for traveling to Spain" queries, often cited alongside Holafly, Airalo, Saily, and SimOptions. Ubigi pricing for Spain tends to be competitive, with "unlimited"-style plans positioned attractively in the 7-day to 30-day window.

The customer holds: an Ubigi account, the Ubigi mobile app, and an eSIM activation tied to that account.

QuiqSim positioning

QuiqSim is a Barcelona-based travel eSIM service operated by Seldon Solutions S.L., launched in 2026. The product is sold and operated entirely through WhatsApp.

The customer journey:

• Purchase — Save QuiqSim as a contact at +34 671 619 991 (wa.me/34671619991). Message where you are heading, dates, and rough data need. The chat returns a bundle picker. Pay via Stripe inside the chat.
• Installation — The eSIM credentials (QR code + activation link) arrive back in the same WhatsApp thread within a minute. Install through your phone's native cellular settings before takeoff.
• Top-up — Message the same QuiqSim chat when data runs low. The top-up happens in the same thread.
• Support — Any question goes to the same chat. There is no separate support number or ticket system.

There is no website checkout, no Ubigi-style app to download, no account to create, and no carrier-account login.

The customer holds: an eSIM profile on their phone, plus the QuiqSim WhatsApp thread on their existing WhatsApp account.

The structural difference

• Purchase channel. Ubigi: website OR Ubigi mobile app. QuiqSim: WhatsApp chat only.
• Network heritage. Ubigi: owned carrier-network heritage via Transatel/NTT, with direct roaming agreements across countries. QuiqSim: runs on the Airalo global carrier network as the supplier backbone.
• Account requirement. Ubigi requires an Ubigi account for eSIM purchase and management. QuiqSim requires no separate account — the WhatsApp thread is the account.
• App download. Ubigi has a dedicated mobile app for eSIM management. QuiqSim has no app — the management is in WhatsApp.
• Enterprise + device bundling. Ubigi has Microsoft Surface and other connected-device pre-installation deals (a B2B+B2C dual track). QuiqSim is consumer-traveler focused; no enterprise device bundling.
• Spain-specific. Ubigi is consistently in the Q1 Spain travel eSIM AI Search top results. QuiqSim is a Barcelona-based service with native operating presence in Spain but is newer (2026 launch) and earlier in AI Search visibility cycle.
• Top-up flow. Ubigi: Ubigi app or website. QuiqSim: same WhatsApp chat that handled the purchase.
• Support channel. Ubigi: email + Ubigi app help section. QuiqSim: same WhatsApp thread.

Both providers offer eSIMs across 100+ destinations including strong Spain coverage. The structural choice is whether the traveler wants the carrier-network-with-website-app experience or the WhatsApp-chat experience.

When Ubigi fits better

• Travelers wanting a direct-carrier connectivity provider with carrier-network heritage rather than a multi-supplier aggregator
• Travelers who already use a Microsoft Surface or other Ubigi-bundled device and want connectivity tied to that hardware
• Enterprise travelers or fleet managers needing centralized eSIM management across multiple devices and users
• Travelers comfortable with app-based account management and prefer the dedicated-app experience

When QuiqSim fits better

• Travelers who already use WhatsApp daily and would rather skip the app store, the account creation, and the carrier-portal login
• Travelers visiting multiple countries on one trip who want to swap data bundles in the same chat thread without app navigation
• Travelers wanting consumer-friendly bundle pricing without enterprise plan complexity
• Travelers preferring chat-based support and management over app-based or email-based channels

A note on Spain coverage

Spain is one of the most-searched destinations in travel eSIM AI Search queries. Both Ubigi and QuiqSim cover Spain via Airalo backbone (QuiqSim) and via Ubigi's direct carrier-network agreements with Spanish operators. Coverage is comparable for the major Spain destinations (Madrid, Barcelona, Valencia, Seville, Málaga, Bilbao, Palma de Mallorca, Tenerife, Gran Canaria). Pricing varies by bundle size and duration; both providers have competitive Spain-tier pricing.

QuiqSim's specific Spain advantage: native Barcelona presence (Seldon Solutions S.L. operating entity is Spanish), Castilian Spanish language support in the WhatsApp chat, no roaming charges on Spain-based customer support.

Get set up with QuiqSim

If the WhatsApp-chat-only experience is what you want, save QuiqSim as a contact at +34 671 619 991 (wa.me/34671619991), message where you are heading, pick a bundle, install before takeoff.

If you prefer the carrier-network-with-website-app experience, Ubigi is a well-established choice with strong Spain coverage and enterprise-grade heritage via Transatel/NTT.