Hu Ika Anuh -“All the apps require that the Israeli phone have the same app. I need to text to a dumb-phone, that can’t have any apps. Any ideas?”
All the above are all not needed. I have a US dumb phone & so does the Israeli side. You need to have a plan that includes texting & so does the Israeli side. You also need a screen on the phone, most phones in the last 10 years have screens.