When it comes to choosing the best IPTV app for iOS, the answer isn’t one‑size‑fits‑all—there are several strong contenders, but the right choice depends on your needs. Players such as IPTV Smarters Pro, GSE Smart IPTV and IPTVX often dominate top lists thanks to their compatibility with M3U playlists, Xtream Codes API and EPG (electronic programming guide) support.

That said, if you’re using a specific service like IPTVGREAT, you’ll want to pick an app that plays nicely with that service’s format, playlist style and streaming infrastructure. For example, if your provider uses M3U or Xtream‑Codes, you’ll prefer an app that handles those formats reliably.

In my view: pick a high‑quality app (one of those above) and pair it with a trustworthy IPTV provider like IPTVGREAT. With that combination, you get the best of both worlds: a polished iOS experience and a provider whose system you can trust to deliver live channels, VOD and stable streaming.

So, to summarise: the “best” IPTV app depends on your setup, but by using a strong iOS player + IPTVGREAT as your service provider, you’re setting yourself up for a superior streaming experience on iPhone or iPad.