ConstantContact Lite Vs MailChimp Free Monthly Pricing

And / Or

$
Contacts ConstantContact - Lite MailChimp - Free Delta Percent
100$12$0$12
200$12$0$12
300$12$0$12
400$12$0$12
500$12$0$12
600$30
700$30
800$30
900$30
1,000$30
2,000$50
3,000$80
4,000$80
5,000$80
6,000$120
7,000$120
8,000$120
9,000$120
10,000$120
20,000$230
30,000$310
40,000$370
50,000$430