Comparison

SMART vs RubiMask

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

Head to head
About

SMART

Easily scan, create, edit, and sign PDF documents directly from your device. Organize your files with folders, merge multiple documents, and export them to various destinations. Offers both a free version with coin-based function unlocks and a comprehensive Pro subscription for maximum productivity.

Highlights
  • Scan documents with camera
  • Import from photo albums and cloud storage
  • Add digital signatures
  • Edit PDFs with text and notes
  • Merge multiple PDF files
  • Organize files in folders
  • Export to various destinations
Features
Read full description

Scan it, let it name itself, find it instantly — SMART-PDF is the document scanner that thinks along with you. All documents stay local on your device: no cloud, no account, full privacy. Premium comes with a 7-day free trial. COMPLETELY NEW IN VERSION 4 - Smart naming: SMART-PDF reads your scan and automatically suggests a fitting document name — no more “Document 17” - Full-text search: search the content of all your PDFs, right from iOS search (Spotlight) too - Document dates: keep track of cancellation deadlines and due dates directly on the document — with reminders and calendar export - AI summary: summarize documents and folders on-device (Apple Intelligence, iOS 26 or later) - Live Text: select, copy and translate text right inside your documents - Quick Scan: start scanning instantly — via Siri, Action Button, widget or Control Center - Share extension: send PDFs from any app straight into your library SCAN & IMPORT - Scan documents with your camera, with automatic edge detection - Import pictures from your photo library - Import existing PDFs from iCloud Drive, Dropbox & co. EDIT & SIGN - Sign PDFs — multiple signatures per file, freely scalable - Add comments, text, symbols and highlights - Page editor: reorder and delete pages, set bookmarks - Merge documents into collections — with automatic bookmark creation ORGANIZE & PROTECT - Clear folders and collections, sort them your way - Password-protected folders with Face ID / Touch ID - Biometric app lock SHARE & EXPORT - Share via e-mail, AirDrop or messenger — optionally protected with a PDF password - Convenient AirPrint printing - Export your whole library as a ZIP archive PRIVACY All scanned and imported documents are stored exclusively on your device. No forced cloud, no account, your content is never shared. SUBSCRIPTION (PREMIUM) - Ad-free - Unlimited folders, documents, signatures, merges and exports - Terms: 1, 3, 6 or 12 months, each with automatic renewal FREE VERSION - No monthly fixed costs - Displays advertising - Collect coins and redeem them for features; optional coin purchases Coin values: - Create a folder (1 coin) - Sign a PDF (1 coin) - Share/export a PDF (1 coin per file) - Scan with more than 10 pages (1 coin) - 3 more documents in a full folder (1 coin) - Merge documents (2 coins) SUBSCRIPTION DETAILS - Payment will be charged to your App Store account at confirmation of purchase. - The subscription renews automatically unless auto-renewal is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period; the cost depends on the selected plan. - Subscriptions can be managed and cancelled at any time in your account settings. - When switching from the free version to the subscription, collected coins are saved and become available again after the subscription ends. Terms of use: https://deine-dokumente.de/agb-nutzungsbedingungen Privacy policy: https://deine-dokumente.de/datenschutz

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

SMART4 screens
RubiMask4 screens

Verdict

The call

SMART and RubiMask are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. SMART sells 10 in-app purchases, starting at $2.99 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.

UpkeepUpdate frequency

SMART ships an update monthly, RubiMask every 4 weeks. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

ScorecardNo meaningful differences
SMART versus RubiMask: the parameters behind the verdict, then further details
ParameterSMARTRubiMask
PriceFreeFree
Rating4.7 (9 ratings) — better—
Positive reviews95.7% of reviews—
Number of ratings9 — better—
Update frequencyMonthlyEvery 4 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size10 MB26 MB
Age rating4+4+
DeveloperBartnitzky, Böttcher und Springer GbRKeiK LLC

In-app purchases

10 purchases

SMART

Subscriptions4
  • SMART-PDF Premium – 1 month7 Days trial$2.991 Month
  • SMART-PDF Premium – 3 months7 Days trial$6.993 Months
  • SMART-PDF Premium – 6 months7 Days trial$11.996 Months
Show 1 more
  • SMART-PDF Premium – 12 months7 Days trial$22.991 Year
One-time6
  • 10 SMART-PDF Coins$0.99
  • 100 SMART-PDF Coins$5.99
  • 150 SMART-PDF Coins$8.99
Show 3 more
  • 250 SMART-PDF Coins$13.99
  • 500 SMART-PDF Coins$17.99
  • 750 SMART-PDF Coins$22.99
3 purchases

RubiMask

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

Questions

Is SMART free?
SMART is free to download, with in-app purchases available.
Is RubiMask free?
RubiMask is free to download, with in-app purchases available.
Do SMART or RubiMask have ads?
Both SMART and RubiMask show ads.
Which is updated more often, SMART or RubiMask?
SMART ships an update monthly, and RubiMask every 4 weeks. Most recently, SMART was updated on October 5, 2026 and RubiMask on September 30, 2026.

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