Radosť is a fully digital, app-based mobile operator offering a new kind of mobile experience — simple, flexible, commitment-free, and powered by the reliable O2 Slovakia network. With just your phone, ID, and a payment card, you can activate your Radosť service in minutes and enjoy your first 7 days absolutely free.
7-Day Free Trial
New users can try Radosť for free for 7 days with full access to all features. No obligations, no contracts — just download the app, complete a simple setup with your ID and payment card, and experience the service risk-free.
100% Digital Setup
Everything happens in the app, from registration to plan changes. There’s no need to visit a store or fill out forms. Activate your eSIM instantly and manage your account anytime, anywhere. Physical SIM cards are also available if preferred.
Flexible Plans with No Commitments
Choose from four simple tariff options — designed to be easy to understand and adjust. Whether you need more or less data, minutes, or texts, you can switch plans monthly to suit your changing needs. No contracts. No hidden terms.
EU Roaming Included
Every plan includes calls, texts, and data usage throughout the European Union at no extra cost. Use your plan abroad just like you would at home, without surprises or additional roaming charges.
Number Portability
Keep your existing number and bring it to Radosť with just a few taps in the app. The process is fast, fully digital, and hassle-free — Radosť handles everything.
Reliable 4G/5G Coverage
Radosť operates on the trusted O2 Slovakia network, which provides 4G LTE coverage to 97% and 5G coverage to 90% of Slovakia’s population. This ensures high-speed, stable connectivity wherever you go.
Automatic Payments
Once your plan is set up, payments are automatically charged from your card each month. No manual recharges are needed, and everything is visible in the app for full transparency.
Invite Friends, Get Discounts
Invite up to 5 friends per year and enjoy one month at half price for each friend who joins. Share the joy of simple mobile service and save together — discounts apply only to the main monthly plan.
FAQs
1. How do I start using Radosť?
Simply download the Radosť app, verify your identity with your ID and a credit/debit card, and activate your SIM or eSIM. The first 7 days are free.
2. Can I keep my current phone number?
Yes, number portability is fully supported. You can request the transfer of your number directly in the app.
3. Are there any contracts or commitments?
No. Radosť is completely contract-free. You can cancel or change your plan anytime without penalties.
4. Is EU roaming included in all plans?
Yes, all plans come with EU roaming. Use your data, minutes, and texts in the EU just like you would in Slovakia.
5. How do payments work?
Payments are charged automatically from the card added to your account. You can track everything easily in the app.
Experience mobile freedom with Radosť — download the app and start your free 7-day trial today!
Version History
v1.31—2 Apr, 2025
Hello world! Our app now speaks English too.
The app will automatically match the language of your phone.
Or you can switch it manually in the settings.
Besides English, we’ve also added some behind-the-scenes improvements you might not see, but you’ll definitely feel.
Thanks for being with us! Your Radosť
v1.30—14 Feb, 2025
Your Radosť is now a tiny bit better.
We’ve fine-tuned the detailed overview and made a bunch of small tweaks you probably won’t even spot. But hey, it’s the little things that matter!
Have an amazing day full of joy!
v1.29.3—18 Dec, 2024
Tvoja Radosť nemá chybu!
Už. Všetky maličké sme odstránili a niečo sme povylepšovali.
Tak pekný deň plný radosti!
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