App-whitelisting

Your app stays online when other apps don’t.

Always-on

Zero-rating technology that guarantees your app always has a data connection, independent of whether your user has an active bundle. Trusted by Uber, Grab, Belfius, and Mastercard.

For you as a partner

App access
Eliminate the major cause of app abandonment: no connection.
Engagement
Proven to increase engagement, session length, and revenue
Global setup
Works across 180+ countries with no per-country configuration
End users
Zero technical requirement for end users
Compliance
GDPR compliant under licensed telecom frameworks

For your Users

Always works
Your app always works, even with no active data bundle
No interruption
No interruption to service in low connectivity situations
Invisible access
Seamless and invisible. It just works.
Global reach
Available globally across all supported networks
No extra steps
No action needed from users. Nothing to set up.

Your app stays online

When a user’s data runs out, your app keeps working. Firsty’s zero-rating technology keeps your service connected across supported networks, without extra steps, app changes, or interruptions.

How it works

Make your app always reachable.

Talk to our team
Start with details
Share your app details and target markets.
Whitelisting
Firsty configures whitelisting
We configure zero-rating across relevant operators in your target markets.
Validate before going live
Test
Validate in our sandbox environment before going live.
Go live globally
Launch your plan
Users receive a QR code or automatic eSIM activation directly inside your product.

Proof points

App Whitelisting is available across 180+ countries, with 99% uptime and zero technical requirement for end users. Your app stays connected without users needing to change settings or take extra steps.

4.8
Out of 5 on Trustpilot
1.2 M +
Users on the Firsty platform
Trusted by Uber, Grab, Belfius, Mastercard, Siemens, Cartamundi, and Deme.
“Amsterdam-based telecom startup Firsty raises €5.1M Seed funding”
"Potential telcomarketdisruptor Firsty immediately brings in €1.1 Million"
"Belfius partners with Dutch eSIM disruptor Firsty for free global app access"
"Five million in growth capital for a Dutch eSIM provider"
“Why We Invested in Firsty: Democratizing Global Mobile Data with eSims”
"Nifty eSIM provider offers free mobile data for life wherever you are"
“Amsterdam-based telecom startup Firsty raises €5.1M Seed funding”
"Potential telcomarketdisruptor Firsty immediately brings in €1.1 Million"
"Belfius partners with Dutch eSIM disruptor Firsty for free global app access"
"Five million in growth capital for a Dutch eSIM provider"
“Why We Invested in Firsty: Democratizing Global Mobile Data with eSims”
"Nifty eSIM provider offers free mobile data for life wherever you are"

join the revolution

Want your app to always stay connected? Talk to our team. Explore the docs at developers.firsty.app.

Questions about App-whitelisting?

We know, it sounds too good to be true. But it’s real. Here’s how.