You can store up to 50 mb in appcache (instead of localstorage) in mobile safari. You can also store 50 mb in the web sql storage, but i don't know if that shar

You can store up to 50 mb in appcache (instead of localstorage) in mobile safari. You can also store 50 mb in the web sql storage, but i don't know if that shares the appcache storage or is counted separately. The 5 mb limit for localstorage is because that's what the spec recommends.