here is many ios apps which can play IPTV m3u list . Some apps are not free. But we present a free and powerful app : GSE IPTV You can download GSE Smart IPTV from app store
1-After installation open app and go to Remote Playlists from the app menu
2- Tap on + icon
3- Select Add M3U URL
4- Enter Topara in Playlist name
5- Enter the link that provided by artainapp to you in Playlist link (Remove all the text in this field first then enter the link)
6- tap Add
You almost done , just go back to Remote playlists and tap on artainapp and you can see the countries categories. Select your country and watch your Channel .