Comparison

Bookmark Write vs PDF Tools

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

Head to head
About

Bookmark Write

Enhance your writing with an AI-powered assistant that offers advanced suggestions, grammar checks, and style improvements. Remember context and share your polished documents effortlessly across devices.

Highlights
  • AI writing suggestions
  • Grammar and style checks
  • Advanced AI memory
  • 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

PDF Tools

Features
Read full description

PDF Tools — All-in-One PDF Utility with Built-In Document Scanner Transform how you work with documents on your iPhone and iPad. PDF Tools makes scanning, viewing, editing, converting, merging, compressing, and sharing PDFs fast and intuitive — all in one app. Powerful PDF Features: • View PDFs instantly — Open all your PDF files with a smooth, native viewer. • Document Scanner — Scan receipts, notes, forms, books, and more using your camera. Auto-detects edges and enhances quality. • Multi-Page Scanning — Scan multiple pages and save as a single professional PDF. • Convert Images to PDF — Turn photos, screenshots, or imported images into high-quality PDFs. • Merge PDFs — Combine multiple PDF files into one organized document. • Compress PDFs — Reduce file size without losing readability or quality. • Share & Export — Share PDFs via email, messaging apps, cloud services, or save to Files. • Save as Images — Export scanned pages as JPEG/PNG for easy sharing. Advanced Tools for Productivity • Smart crop & perspective correct scanned documents • Auto enhancement for clearer scans • Save to photo library or app storage • Support for large files Why Users Love PDF Tools Designed for students, professionals, and everyday users who need a reliable utility for PDF workflows on the go. Get Started Fast Open or import a PDF, scan a document with your camera, or create a new file — it’s all built into one seamless experience. Whether you need a PDF scanner, converter, compressor, merger, editor, or viewer — PDF Tools handles it. Terms of use: https://sites.google.com/view/pdf-tools-terms-of-use/home

Screenshots

Bookmark Write4 screens
PDF Tools4 screens

Verdict

The call

The clearest difference is in-app purchases: PDF Tools at none against Bookmark Write's 1. PDF Tools also leads on iOS requirement (13.0 vs 17.6). Bookmark Write's advantage is update cadence (every 4 days vs every 2 weeks). 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. PDF Tools asks for nothing beyond the download.

UpkeepUpdate frequency

Bookmark Write ships an update every 4 days, PDF Tools every 2 weeks. The most recent releases landed on September 11, 2026 and September 15, 2026 respectively.

Scorecard3 real differences · 6 level
Bookmark Write versus PDF Tools: the parameters behind the verdict, then further details
ParameterBookmark WritePDF Tools
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 4 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.613.0 — better
Further details — not scored
Size2 MB31 MB
Age rating12+4+
DeveloperBookmark Cafe, Inc.Hassan Ahmad

In-app purchases

1 purchases

Bookmark Write

Subscriptions1
  • Monthly Subscription$8.991 Month
None

PDF Tools

No in-app purchases

Questions

Is Bookmark Write free?
Bookmark Write is free to download, with in-app purchases available.
Is PDF Tools free?
PDF Tools is free to download, with no in-app purchases.
Do Bookmark Write or PDF Tools have ads?
Neither Bookmark Write nor PDF Tools shows ads.
Which is updated more often, Bookmark Write or PDF Tools?
Bookmark Write ships an update every 4 days, and PDF Tools every 2 weeks. Most recently, Bookmark Write was updated on September 11, 2026 and PDF Tools on September 15, 2026.

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