It's not the only difference, at least where I live - I have to significantly reduce image sizes to send them to Android users..
Because the EU is starting to regulate them so theyve stopped dragging their ass on this.
The bulk of apples iPhone business is on US carriers. Who, on a good day, are in the Stone Age.
Or it's China mandating RCS to be able to acquire '5G certification':
* CN: https://www.miit.gov.cn/gzcy/yjzj/art/2023/art_2d5a7969581b4...
* EN: https://old.reddit.com/r/UniversalProfile/comments/153rrwl/c...
> China Mobile, China Telecom and China Unicom yesterday (8 April) released a 5G messaging white paper outlining their commitment to mandate all compatible handsets sold in the country support Rich Communication Services (RCS).
* https://www.gsma.com/futurenetworks/latest-news/china-operat...