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Lifetime deals on AI writing and content tools

AI writing, book creation and content tools you pay for once. 2 live deals, last checked November 14, 2026.

2 live deals

An AI book-writing studio that outlines, drafts, edits, illustrates and formats a book for publishing.

The catch: Tier 1 is 500 credits a month, and the terms say access to future AI models may come at a discount or need an add-on. Audiobooks, translation and BYOK are top-tier only ($519).

Writing & ContentAppSumo4.7/5 on AppSumo (235 reviews)

from$79once instead of $144

A minimal Markdown editor with live preview for macOS, Windows and Linux.

The catch: One person, up to three devices, and no cloud sync or collaboration: it edits local files.

Writing & ContentDirect from the maker

$14.99once