Yesim revolutionizes international connectivity with its Pay & Fly, a unique eSIM package that works on the Pay-As-You-Go principle in over 170 countries. Unlike traditional prepaid plans, you only pay for the data you actually use, with no commitment or time limit.
➡️ Here is a complete analysis of theSaily Ultra offer
What is Pay & Fly?

Pay & Fly is a global eSIM which gives you total control over your mobile data expenditure abroad. The concept is simple: you install a single eSIM on your device and use it in all your travel destinations, with automatic connection to the best available local network.
How does it work?

The system is based on YcoinsYesim's virtual currency. You top up your wallet with Ycoins (from €0.81 for 100 Ycoins), then your balance is debited automatically according to your actual data consumption. Rates vary according to the country visited.
Check your phone's compatibility with Yesim
The benefits of Pay & Fly
Maximum flexibility
- Payment only for actual use
- No time limit on your balance (valid for 12 months)
- No commitments or contracts
- Can be cancelled at any time
- Instantly refillable online
Worldwide coverage
The Pay & Fly package covers more than 170 countries, with access to over 800 partner operators. The eSIM automatically switches to the best network available in each country, favoring 5G where accessible.
Transparent pricing
Yesim rates are supplier-level, with no hidden charges, from 1.10 $ per GB. This pricing represents significant savings compared with traditional local operators.
How do I activate Pay & Fly?

Activation takes just 5 simple steps:
- Log in to your Yesim account
- Go to the "Pay & Fly" section in the menu
- Top up your Ycoins wallet (recommended minimum: €15)
- Press "Activate" to activate eSIM Pay & Fly
- Install the eSIM profile in one click
Once installed, your eSIM is automatically activated as soon as you arrive in your destination country, with no further action required.
How much does Yesim Pay& Fly cost?
| Ycoins | Price |
|---|---|
| 1 000 | 8,10 € – 10 € |
| 5 000 | 40,50 € – 50 € |
| 15 000 | 121,50 € – 150 € |
Accepted payment methods
- Credit cards (Visa, Mastercard, Amex)
- PayPal
- Apple Pay (iOS only)
- Google Pay (Android and web)
- Binance Pay
- Ycoins
Yesim Pay & Fly features

Intelligent connection
If a local operator offers a more powerful and affordable 4G/5G connection than your current network, Yesim automatically switches to it. This technology always guarantees the best possible connection.
Unlimited connection sharing
The Pay & Fly plan lets you share your mobile data with other devices without restriction. Create a WiFi hotspot to connect your laptop, tablet or travel companions' devices.
Free VPN
Users benefit from a free VPN included with the Pay & Fly package. This feature secures your browsing on public networks and protects your personal data.
24/7 support
Yesim offers 24/7 support with an average response time of just 6 minutes. The team is there to help you with any technical problems or questions you may have about your package.
Money-back guarantee
Yesim offers a money-back guarantee to 100% in accordance with its refund policy. If you encounter connection problems or if the service does not meet your expectations, you can request a refund.
Pay & Fly vs. classic packages
| Criteria | Pay & Fly | Prepaid Packages |
|---|---|---|
| Payment | In actual use | Fixed price |
| Commitment | No | Fixed term |
| Validity | 12 months | 7-365 days |
| Flexibility | An eSIM for every country | By destination/region |
| Additional charges | No | Variables |
| Refill | At any time | New package required |
Our final verdict on Yesim Pay & Fly
Yesim's Pay & Fly package represents an innovative solution for modern travelers seeking flexibility and control over their international data spend. With its global coverage, pay-as-you-go pricing and one-time installation, it eliminates the constraints of traditional plans while offering reliable connectivity in over 170 countries.
For the ultimate experience :
- Top up your wallet with at least €15 in Ycoins before you leave
- Consult the fares for your destination in the application to estimate your budget
- Activate balance notifications to avoid unexpected blackouts
- Follow your consumption in real time on the "My Yesim" page

