The following pricing is in USD for paid accounts, and applies at the time of purchase depending on how many device slots you are buying. Price is per device, per year.

Active911 Pricing

Devices Price
1-9 $14.00
10-49 $13.00
50-149 $12.50
150-999 $12.25
1000-2999 $11.75
3000-4999 $11.50
5000-9999 $11.25

For agency subscriptions, any additional subscription purchases after the original are prorated to expire at the same time as the original.