What are some credit card options that allow you to sign up for subscription services' free trials without incurring charges?

I agree with both of you ,

But if your use of subscription services is more for testing or development purposes, I’d also recommend exploring LambdaTest. While it’s not a credit card solution, LambdaTest offers a free trial for its cloud-based cross-browser testing services.

This could be a great way to get access to premium testing features without committing to any long-term subscriptions or incurring charges.

With LambdaTest’s free tier, you can run browser tests and check compatibility across different devices and browsers. It’s an excellent solution for developers or QA testers who need powerful tools without paying upfront. Not related to credit cards directly, but definitely useful for those in the development space!