apn_sender.rb

#!/usr/bin/env ruby

RAILS_ROOT = File.expand_path(File.join(File.dirname(__FILE__), '..'))

require 'rubygems'
require 'apn'
require 'apn/sender_daemon'

APN::SenderDaemon.new(ARGV).daemonize

Gemfile

gem 'apn_sender', :require => 'apn'
gem 'daemons'

notify.rb

# notify(token, options)
APN.notify('FE6648........', :alert => 'New Message', :badge => 4, :sound => true, :other_information => 'value')

start_command.bash

script/apn_sender --environment=development --verbose start

Thanks, have updated.