Why it's similar
imo International Calls & Chat offers free HD video and voice calls and group chat used by 200M+ people across 170+ countries, sharing Marco Polo's stay-connected purpose for calling friends and family abroad.
How it differs
This imo app emphasizes real-time international calls rather than Marco Polo's leave-a-video-watch-later format. Its 4.15 rating across 11,000+ reviews trails the seed, and it leans on ads and subscriptions.
