Aweber’s pricing is based on the number of subscribers you have. Here’s what it costs on a monthly basis. 0 – 500 subscribers: $19/month. 501 – 2,500 subscribers: $29/month. 2,501 – 5,000 subscribers: $49/month. 5,001 – 10,000 subscribers: $69/month. 10,000 – 25,000 subscribers: $149/month.