Claritar vs ProWritingAid

Claritar is web-based brand voice software for agencies. It evaluates drafts against saved client voices, identifies off-brand content, and supplies rewrites. Users provide 5–10 on-brand pieces; Claritar infers tone, rules, banned words, and keywords from them. Each draft receives a 0–100 score and an A–F grade, with separate breakdowns for voice, tone, banned words, and keywords. Tone controls cover formal or casual, serious or playful, and a target reading level. Teams can define preferred terms, acronyms, product names, punctuation preferences, banned words, and required keywords. Review features include score gates, approve-or-return flows, writer scorecards, and an approval audit trail. Claritar can crawl a sitemap, score pages against a saved voice, rank pages that diverge, and export one audit report. It supports multiple languages, PDF reports, shareable links, and Agency-plan white-labeling. Content is encrypted in transit and at rest, access is scoped to team members, and drafts are used only for scoring and rewriting.

ProWritingAid provides grammar and style suggestions through browser extensions and a desktop editor. It works with Word, Google Docs, Scrivener, Chrome, Firefox, and Edge, and browser extensions are available for Chrome, Firefox, and Edge. The free account handles 500 words at a time and includes two line-editing runs, ten rephrases, three Sparks, and three Creative Nudges per day. Premium and Premium Pro support documents of any length. Premium includes document sharing, real-time comments, and more than 25 writing analysis reports. Its plagiarism checker compares work against webpages, published works, and academic papers. The product supports English only, including general, British, US, Australian, and Canadian English. ProWritingAid says text entered into its editor is not kept on processing servers, is encrypted during processing, and is not used to train algorithms. The free plan is available; listed paid plans include Premium at $30 a month and Premium Pro at $36 a month, both billed monthly.