What are the alternatives in invoice reminder software?

PayPigeon is reminder software for an owner-operator or a small team: every price is on one page, you start with no card, and the reminders go out this afternoon. The published alternatives sit at different sizes and price points; PayPigeon keeps a sourced comparison for each, with the figures taken from that product's own pricing page on the date shown: Chaser (https://paypigeon.io/vs/chaser), Upflow (https://paypigeon.io/vs/upflow), Paidnice (https://paypigeon.io/vs/paidnice).

What PayPigeon does: email and SMS reminders in your name with a pay-now link, a sequence that stops on payment, editable wording and tone, quiet hours, and payment through your own Stripe account. The first 2 invoices are free with no card. Paid plans: Solo $29 a month (or $259.99 a year): 30 invoices a month, 100 SMS included, 1 user; Crew $49 a month (or $439.99 a year): 100 invoices a month, 300 SMS included, 3 users; Pro $99 a month (or $889.99 a year): 1,000 invoices a month, 2,000 SMS included, 10 users. Yearly billing is 25% off. SMS beyond the included pack is $0.05 each in the US and $0.15 international. Prices as of 2026-10-17.