Comparison

Custom PDF vs RubiMask

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

Head to head
About

Custom PDF

Features
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Custom PDF is a powerful yet intuitive app designed for anyone who needs to create professional PDF documents with custom layouts. Whether you're combining multiple PDFs, arranging images, or creating photo collages, Custom PDF gives you complete control over your document layout. KEY FEATURES: Flexible Grid Layouts Design your PDF pages with customizable grid systems. Choose from various grid sizes including 2x2, 3x3, 4x4, and more. Adjust the number of rows and columns to fit your needs perfectly. Import Multiple Sources Import PDF documents and extract individual pages, or add images directly from your device. All imported content appears in your Page Library, ready to be arranged however you want. Intelligent Cell Merging Create unique layouts by merging adjacent cells. Whether you need a large header area, side-by-side comparisons, or custom photo arrangements, the cell merge feature makes it simple to design exactly what you envision. Drag and Drop Interface Arranging your content is as easy as drag and drop. Move pages from your Page Library to the grid, reorder them, and see your layout take shape in real-time. Customizable Spacing and Margins Fine-tune your documents with adjustable cell spacing and page margins. Control the white space between elements to create clean, professional-looking PDFs. Multiple Output Pages Not limited to a single page. Create multi-page PDF documents with different layouts on each page. Perfect for comprehensive reports, photo albums, or presentations. Preview Before Export Review your entire document before exporting. The preview feature lets you see exactly how your PDF will look, so you can make adjustments before saving. Project Management Save your work as projects. Create multiple projects, rename them, and come back to edit them anytime. Your work is automatically saved locally on your device. Professional Export Export high-quality PDF documents ready for sharing, printing, or archiving. Your exported files maintain the quality of your original content. Multi-Language Support Available in English, Traditional Chinese, and Japanese. The app automatically adapts to your device's language settings. PERFECT FOR: Combining multiple PDF documents into organized layouts Creating photo collages and albums Designing custom worksheets and educational materials Arranging product catalogs and portfolios Making comparison sheets and reports Organizing receipts and documents Creating presentations and handouts EASY TO USE: Create a new project and give it a name Import PDF files or images Drag pages from your library to the grid Adjust layout settings and merge cells as needed Preview your document Export as PDF Whether you're a student organizing study materials, a professional creating reports, a photographer building portfolios, or anyone who needs flexible PDF creation, Custom PDF provides the tools you need without complexity. All data is stored locally on your device, ensuring your privacy and allowing you to work offline. No account registration required. No cloud storage. Just simple, powerful PDF creation at your fingertips. Download Custom PDF today and start creating beautifully organized PDF documents your way. Pricacy Policy: https://lessismore521.blogspot.com/2025/12/privacy-policy-for-custom-pdf.html Terms of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

RubiMask

Features
Read full description

【PDF & Photo to Text, Audio, Translation】OCR, translate, and read aloud — all in ONE app! Load scanned books, PDFs, or photos → OCR text extraction → translate → listen with text-to-speech or export audio files. Everything in one app. For vertical Japanese books, RubiMask auto-masks ruby (furigana) before OCR, so small phonetic characters never scramble your text — a unique feature for Japanese book digitization. PROBLEM SOLVED "OCR scrambles my Japanese text because furigana mixes with main characters..." "Scanned books have terrible text recognition accuracy..." "I want to listen to my books as audio..." "I need to translate a printed document I photographed..." KEY FEATURES 【Multilingual OCR】 - Specialized recognition for vertical Japanese text - Supports English, Chinese, Korean, French, German, Spanish, and many more - Choose the recognition language per document - Edit recognized text directly in-app - Real-time character change tracking - Automatically removes running headers and page numbers, recognizing body text only 【Auto Ruby Masking】(unique for vertical Japanese) - Automatically detects text columns in vertical Japanese - Calculates column spacing to mask only ruby areas - Robust on gray-paper scans and irregular layouts - Fully adjustable column width and pitch, tap-to-edit masks 【Enhanced Photo Import】 - Auto perspective correction for documents photographed at an angle - Rotate photos 90° left or right - Recognizes high-resolution photos (12MP+) at full quality 【Translation】 - Translate recognized text with one tap (iOS 17.4+) - Great for language learning and reading foreign documents 【Text to Speech】 - Listen to recognized text with natural voices - Export audio files (M4A) — turn books into audiobooks! - Adjustable speed and voice 【Multiple Export Formats】 - Text file (.txt) - Audio file (M4A) - PNG images (ZIP compression available) - Masked PDF output - Save directly to Photos - Export options: insert page breaks or join lines into sentences 【Convenience Features】 - App interface available in 35 languages - Sample PDFs in your language to try every feature - Margin masking (remove page numbers, headers) - Manual mask editing (drag & drop) - Undo/redo for mask editing - Project save/load for pause & resume - Pinch-to-zoom for precise adjustments PERFECT FOR - Digitizing paper books and rare editions - Extracting text from novels and documents - Preparing source text for translation - Creating furigana-free versions for Japanese learners - Converting books to audiobook format - Creating accessible text for screen readers - Reading printed foreign-language documents PREMIUM FEATURES - Remove all ads - Unlimited pages (free: 100 pages) - Unlimited project saves (free: 3 projects) - PDF export - Audio export (M4A) Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://keik.co.jp/rubimask/privacy-en.html

Screenshots

Custom PDF4 screens
RubiMask4 screens

Verdict

The call

The clearest difference is iOS requirement: Custom PDF at 12.0 against RubiMask's 17.0. On price, ads, in-app purchases 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. Custom PDF sells 1 in-app purchase, starting at $1.00 per month and RubiMask sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 5 level
Custom PDF versus RubiMask: the parameters behind the verdict, then further details
ParameterCustom PDFRubiMask
PriceFreeFree
Update frequency—Every 4 weeks
AdsYesYes
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size40 MB26 MB
Age rating4+4+
DeveloperChi Chung WongKeiK LLC

In-app purchases

1 purchases

Custom PDF

Subscriptions1
  • Premium$1.001 Month
3 purchases

RubiMask

Subscriptions2
  • RubiMask Premium$2.991 Month
  • RubiMask Premium7 Days trial$11.991 Year
One-time1
  • RubiMask Premium$19.99

Questions

Is Custom PDF free?
Custom PDF is free to download, with in-app purchases available.
Is RubiMask free?
RubiMask is free to download, with in-app purchases available.
Do Custom PDF or RubiMask have ads?
Both Custom PDF and RubiMask show ads.

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