A: Hi there.

Pro Bundle contains Netpeak Spider Pro & Netpeak Checker Basic
Max Bundle contains Netpeak Spider Pro & Netpeak Checker Pro

You can find more about comparison of Checker plans on the pricing page → https://netpeaksoftware.com/pricing?product=2

In short, the Checker Pro plan additionally provides the following options:
* Scraping of contact data
* Collection of parameters for selection of donors or expired domains: DNS, Whois, Wayback Machine
* Comparison of the traffic of different websites
* Work in multi-window mode

Also, I will recommend you to view this table for detailed comparison -> https://docs.google.com/spreadsheets/d/1vAgkTovEU1NIBvV7dSX8wjYk8T1UYcvSBsWsrxtUnBc/edit#gid=0

If you have more questions, feel free to ask :)