AI Tool Comparison
Comparing as AI Ghostwriting & Creative WritingSquibler vs ProWritingAid
Compare features, pricing, pros & cons, and user ratings to decide which AI tool is best for your needs.
Squibler
VS
ProWritingAid
Verdict by Category
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Detailed Comparison
Feature
Squibler
ProWritingAid
Pricing
FreemiumSquibler has a free-forever plan with 1,000 AI credits per month that lets you test the full book and screenplay workflow. Free projects have file limits, where each chapter counts as one file, and exporting to all formats needs a paid plan.
Plus is listed at $29.99 per month or about $15.83 per month billed annually, with 10,000 AI credits, full-length manuscripts of 200 to 300 pages, whole-manuscript AI editing and PDF and DOCX export. Pro is listed at $89.99 per month or about $49.17 per month billed annually, with unlimited AI credits and unlimited books. The site shows annual savings of about 45 percent.
The FAQ quotes slightly different annual totals ($192 and $588 per year), so confirm the exact amount at checkout. The page says users get a free physical copy of their first book, but does not say which plan includes it.
FreemiumProWritingAid offers a free plan with grammar/spelling checks, Story Canvas, 10 rephrases/day, and limited editing report runs — a solid starting point for new writers.
Premium costs $10/month (billed annually at $120) or $30/month and unlocks unlimited line editing reports, unlimited rephrases, 25+ writing analysis reports, 1 Chapter Critique/day, custom style guide, author comparison (90 authors), and custom dictionary.
Premium Pro at $12/month (annual) or $36/month adds 30 Chapter Critiques/day, live workshops with top authors and editors, 200+ on-demand expert workshop library, daily co-writing sprints, and 65% off Story Credits. Lifetime licenses are also available: $399 (Premium) and $699 (Premium Pro) — one-time payment, no recurring fees.
Categories
AI Writing Assistant ToolsAI Productivity Tools
AI Writing Assistant ToolsAI Productivity Tools
Summary
AI story writer that drafts books, novels and screenplays with outlines, story elements and revisions
Complete storyteller's toolkit with deep editing, story critique, plot analysis, and writer community
Squibler Pros & Cons
Pros
- Covers novels, screenplays and nonfiction in one tool
- Elements keeps characters and settings consistent
- Free plan lets you test the full workflow
- Useful templates and strong project organization
- Revisions are suggestions you control
Cons
- Paid plans are expensive compared with alternatives
- AI output needs heavy editing, per reviewers
- Reviewers report some lag and weak book formatting
- No built-in publishing or sales tracking
- Free plan limits files and export formats
ProWritingAid Pros & Cons
Pros
- Most comprehensive developmental editing reports of any AI writing tool
- Story Critique analyzes plot, characters, and reader engagement at manuscript level
- Trusted by USA Today and NYT bestselling authors
- Lifetime license option is the most cost-effective long-term investment
- Covers full writing workflow from planning through publication
- Integrates with Scrivener, Google Docs, Word, and browser extensions
- Free K-12 education access and 20% student discount
Cons
- Free plan limited to 2 report runs/day and 500 words at a time
- Monthly Premium Pro ($36/mo) is expensive for casual writers
- Only supports English — no multilingual support
- Story Credits for full manuscript analysis are an additional purchase
- Learning curve to get the most from 25+ report types