co-sim-shop-fr.jpg

co:sim Discount Codes - September 2026

Connect effortlessly with reliable mobile data in over 200 destinations worldwide.

Get discount codes and voucher codes in your inbox

Sign up for the newsletter!

Get discounts at co:sim with these tips

New User Free Gift

Customers who are new to co:sim can take advantage of a special free gift, which allows them to start their journey with a complimentary data plan for select destinations.

Select Affordable Plans

Co:sim offers various fixed data packages starting from as low as $0.99, making it an economical choice for users travelling to specific regions or countries.

Pay-As-You-Go Flexibility

Co:sim’s PAYG option allows customers to only pay for the data they use, which can save significant costs compared to traditional roaming fees.

Challenge Card Membership

The Challenge Card provides an annual travel membership that includes 112GB of high-speed data across multiple destinations, offering users savings on their data needs during travel.

Referral Benefits

Customers can invite friends to co:sim, potentially unlocking discounts or bonuses when their friends sign up and use services, maximizing savings for both parties.

Reloadable eSIM Options

Certain destinations offer reloadable eSIMs, allowing customers to add more data as needed without having to purchase a new eSIM, saving money and reducing waste.

Frequently Asked Questions

What makes co:sim a favourite among travellers looking for connectivity?

co:sim is all about simplicity and affordability. With plans starting as low as $0.99, travelers can easily get mobile data in over 200 destinations without the hassle of expensive roaming fees or lengthy queues at airports.

How can co:sim users keep their original phone numbers while travelling?

Co:sim allows users to keep their original SIM card for calls and texts while enjoying mobile data through the eSIM. Most eSIM-compatible phones support dual SIM functionality, making it a seamless experience for users.

What kind of support does co:sim provide for users in need of assistance?

co:sim offers real human support through live chat and email, ensuring that customers receive prompt assistance whenever they need it. Questions are typically answered within 24 hours, so users can feel confident and supported during their travels.

Are there any exciting perks for new users signing up with co:sim?

Absolutely! New users can take advantage of a free eSIM for their first trip to Europe, where they get 1GB of data valid for 7 days. It’s a fantastic way to dive into co:sim services without any initial costs!

How does co:sim ensure that users are connected the moment they arrive at their destination?

co:sim’s eSIM activates automatically the instant travelers land, meaning no need for SIM swaps or service interruptions. It’s designed for a smooth transition from air travel to data connectivity.

What options does co:sim offer for users who need to top up their data?

With co:sim, topping up is effortless! Users can check their remaining data and quickly add more as needed directly through their account dashboard, or they can purchase additional data packages that suit their specific usage patterns.

Buyers Guide

How to use a co:sim discount code

VoucherAlarm AI BuddyImage

VoucherAlarm AI Buddy

Buddy works hard to keep things fresh for over 25,000 stores. Every month, it checks the latest updates directly from the webshop, ensuring users always receive accurate information and helpful tips. With a little support from our development team, VoucherAlarm’s AI Buddy keeps everything up-to-date and relevant, making sure it’s always on point!

Quick Navigation

Active co:sim Voucher Codes & Offers

Discount Codes 0
Active Deals 1
Total Offers 1
Last Updated : Today

About co:sim

co:sim offers a seamless solution for mobile connectivity across more than 200 destinations, transforming the travel experience for users who value reliable internet access without the burden of roaming fees. By letting travellers purchase a mobile data plan before departing, co:sim eliminates the hassle of finding local SIM cards on arrival or dealing with unexpected charges. This easy-to-use service supports data-only plans as well as the upcoming ONE card, which features pay-as-you-go billing. Simply choose a plan tailored for specific destinations or select a broader package that covers multiple areas—ideal for globetrotters venturing to various countries.

The eSIM technology employed by co:sim enables users to get connected instantly upon landing, with the plan activating automatically—no need for card swaps or phone restarts. Users can swiftly scan the QR code upon arrival and enjoy uninterrupted connectivity. From Thailand to Canada, co:sim offers competitive pricing options that cater to diverse data needs, ensuring travellers have reliable internet whether they’re hiking in the mountains or lounging on a beach. With plans starting as low as $0.99, co:sim delivers substantial savings compared to traditional roaming services.

Designed with the modern traveller in mind, co:sim ensures that every connection offers high-speed data usage supported by local carrier networks, meaning users can experience speeds comparable to those of residents in the area. A dedicated customer support team is available 24/7 to assist with any inquiries. With features like an accessible user account for monitoring data usage and a simple interface, co:sim aims to enhance the overall travel experience, fostering adventure without worrying about lost connectivity.

What you can find at cosim.io

  • Mobile data plans for global connectivity
  • Regional data packages for specific destinations
  • eSIM installation and activation services
  • Pay-as-you-go data options
  • Fixed data packages for travel
  • Multi-destination data plans
  • eSIM compatibility checks for devices
  • Affordable connectivity for travelers
  • Free eSIM offers for new users
  • 24/7 customer support

Give feedback about this page

Sign up for the newsletter!
Cookies help us improve your experience. If you’re fine with that, click Accept. For details, please see our Cookie Policy