The pricing of Zapier went under some changes recently so it's worth knowing what the different tiers are and how they price. Important things to note is that pricing is affected by two things, one is the tier itself or plan which come with additional features for that tier, but it's also affected by the number of tasks limit within that tier. So each pricing tier effectively has a sub-tier if you need more than the basic number of tasks for that tier.
K = Thousand, M = Million.
100 tasks/month = Free forever
750 tasks/month = $19.99/month (annual, $29.99 month to month)
1500 tasks/month = $39/month (annual, $58.50 month to month)
2000 tasks/month = $49/month (annual, $73.50 month to month)
5000 tasks/month = $89/month (annual, $133.50 month to month)
10K tasks/month = $129/month (annual, $193.50 month to month)
20K tasks/month = $169/month (annual, $283.50 month to month)
50K tasks/month = $289/month (annual, $433.50 month to month)
100K tasks/month = $489/month (annual, $733.50 month to month)
200K tasks/month = $769/month (annual, $1155 month to month)
500K tasks/month = $1449/month (annual, $2175 month to month)
1M tasks/month = $2199/month (annual, $3300 month to month)
2M tasks/month = $3389/month (annual, $5085 month to month)
50K tasks/month = $299/month (annual, $448.50 month to month)
100K tasks/month = $499/month (annual, $748.50 month to month)
200K tasks/month = $799/month (annual, $1200 month to month)
500K tasks/month = $1499/month (annual, $2250 month to month)
1M tasks/month = $2299/month (annual, $3450 month to month)
2M tasks/month = $39/month (annual, $58.50 month to month)
100K tasks/month = $599/month (annual, $898.50 month to month)
200K tasks/month = $899/month (annual, $1350 month to month)
500K tasks/month = $1599/month (annual, $2400 month to month)
1M tasks/month = $2399/month (annual, $3600 month to month)
2M tasks/month = $3599/month (annual, $5400 month to month)