H2O Wireless vs Ultra Mobile
H2O Wireless and Ultra Mobile compared side by side in United States.
H2O Wireless vs Ultra Mobile — who's best for whom
H2O Wireless
More destinations included. Ultra Mobile focuses on international calling — compare coverage and rates on Giraffy.
Ultra Mobile
AT&T network with international calling. H2O uses AT&T; Ultra Mobile uses T-Mobile — compare calling destinations and pricing on Giraffy.