one-time-purchase

iKnowMyMac 是一款原生 Mac 应用，能诊断 Mac 变慢的原因、磁盘占用和电池消耗情况，并提供证据与一键修复方案，同时支持从单一标签页更新其他应用，采用一次性买断制。

GotEmail 是一款在 Product Hunt 上发布的原生 Mac 邮件应用，支持 Gmail、Outlook、iCloud 及 IMAP 账户统一管理，提供一键登录验证码提取和 AI 草稿/摘要功能，采用一次性买断制。

Tipword is a Mac application that allows users to translate any word instantly by holding a key, supporting 50+ languages across various interfaces, with a one-time payment of $12.

Wingman is an iPhone app that sends reminders to text your girlfriend, with editable message ideas and no automatic messaging or tracking, available in multiple languages with a one-time purchase.

Shadow-planner is a desktop project planner featuring AI-assisted Gantt chart planning with dependencies and what-if scenarios, running locally on Ollama models with a one-time purchase.