Not tested them both: I work with annual billing for my SaaS. The pricing page shows monthly prices, which works well for me. Customers buy a contract for a yea

Not tested them both: I work with annual billing for my SaaS. The pricing page shows monthly prices, which works well for me. Customers buy a contract for a year which they can cancel at any moment. Obviously the remaining months within that contract year will not be refunded. Note that the SaaS is only 300 euros a year so your mileage may vary. (B2B market)