ChatGPT SearchSep 21, 2026
SimplyTodo looks particularly aligned with what you're asking for: it's explicitly designed as “a to-do list, and nothing else,” with no account, ads, or subscription; optional themes are one-time purchases.
AI named SimplyTodo in September 2026.
Question: I need a to-do list app that has a one-time fee and does not use a subscription model.
ChatGPT SearchSep 21, 2026
SimplyTodo looks particularly aligned with what you're asking for: it's explicitly designed as “a to-do list, and nothing else,” with no account, ads, or subscription; optional themes are one-time purchases.
Brand page for simplytodo