Comparison

Bookmark Write vs Prompt Rewriter

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Bookmark Write

This AI-powered writing assistant helps improve your documents with advanced suggestions, grammar checks, and style edits. It remembers context and offers a user-friendly interface for seamless editing and sharing across Apple devices.

Highlights
  • Advanced AI writing suggestions
  • AI memory for context
  • Grammar and style checks
  • Clarity and coherence improvements
  • Contextual understanding
  • User-friendly interface
  • Easy document sharing
Features
Read full description

Bookmark Write is an advanced OpenAI API powered AI writing assistant designed to assist with writing and editing text documents on the iPhone and iPad. Whether you are drafting an email, writing a report, creating a script, or crafting a novel, Bookmark Write offers expert advice and edits to improve the clarity, coherence, and overall quality of your writing. Advanced AI Writing Assistant: Bookmark Write leverages powerful OpenAI API AI capabilities to provide advanced AI suggestions, rewrites, and improvements to your text, ensuring your writing is polished and professional. Advanced AI Memory: Bookmark Write has advanced AI memory for remembering recent and saved memory which can be edited with Edit Memory view and natural language commands like "Remember ..." and "Forget ...". Grammar and Style Checks: Get comprehensive grammar checks and style suggestions to ensure your writing is error-free and professionally presented. Clarity and Coherence: Improve the readability of your documents with intelligent recommendations that improve both clarity and coherence. Contextual Understanding: With advanced context awareness, Bookmark Write understands the nuances of your text and provides tailored advice that fits the specific needs of your document. User-Friendly Interface: Enjoy a sleek, intuitive interface that makes writing and editing a breeze, whether you are drafting an email, report, or novel. Easy Sharing: Effortlessly share your edited documents directly from Bookmark Write using the iPhone's share feature. Share your polished text via Messages, Mail, AirDrop, and more. Bookmark Write is more than just a writing app. It is your advanced AI writing assistant equipped with cutting-edge AI capabilities. Whether you are a student, professional writer, or business executive, Bookmark Write ensures your writing is always at its best. Bookmark Write runs on the iPhone, iPad, and MacBook. Subscription Info: Subscription is auto-renewable which means that once purchased it will be auto-renewed. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Manage your Subscription and Auto-Renewal by going to your Account Settings. Terms of Service: http://bookmark-cafe.com/terms-of-service Privacy Policy: http://bookmark-cafe.com/privacy-policy

About

Prompt Rewriter

Features
Read full description

Prompt Rewriter helps you save time and get better answers from AI by turning rough ideas into clear, professional prompts before you send them. Instead of rewriting the same prompt over and over, write your idea once in Safari and let Prompt Rewriter improve it. The extension helps add structure, clarify your request, improve wording, include useful context, and guide the AI toward a more helpful response. Use Prompt Rewriter to: - Save time when writing AI prompts - Turn quick thoughts into polished instructions - Get clearer, more useful AI answers - Improve prompts for work, school, research, planning, writing, and everyday questions - Choose short, balanced, or deeper responses - Ask the AI to include sources when needed - Format answers as checklists, tables, roadmaps, decision memos, or one-page briefs Prompt Rewriter is useful for anyone who uses AI tools and wants better results with less effort. It can help with emails, brainstorming, learning, content writing, business planning, decision-making, summaries, research questions, and professional communication. The extension works inside Safari on supported AI chat websites, including ChatGPT, Claude, Gemini, DeepSeek, Grok, Mistral, Qwen, Z.ai, Cohere, and Meta AI. No account is required to start using Prompt Rewriter.

Screenshots

Bookmark Write4 screens
Prompt Rewriter4 screens

Verdict

The call

The clearest difference is in-app purchases: Prompt Rewriter at none against Bookmark Write's 1. Prompt Rewriter also leads on iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Bookmark Write sells 1 in-app purchase, starting at $8.99 per month. Prompt Rewriter asks for nothing beyond the download.

Scorecard2 real differences · 7 level
Bookmark Write versus Prompt Rewriter: the parameters behind the verdict, then further details
ParameterBookmark WritePrompt Rewriter
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 4 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size2 MB2 MB
Age rating12+4+
DeveloperBookmark Cafe, Inc.Federated Unified Worker Network Inc

In-app purchases

1 purchases

Bookmark Write

Subscriptions1
  • Monthly Subscription$8.991 Month
None

Prompt Rewriter

No in-app purchases

Questions

Is Bookmark Write free?
Bookmark Write is free to download, with in-app purchases available.
Is Prompt Rewriter free?
Prompt Rewriter is free to download, with no in-app purchases.
Do Bookmark Write or Prompt Rewriter have ads?
Neither Bookmark Write nor Prompt Rewriter shows ads.

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