Comparison

QuickScanner vs ESCalc Scientific Calculator

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

Head to head
About

QuickScanner

Features
Read full description

QuickScanner is a multi-mode document scanner designed for iOS and macOS. It combines smart document capture, OCR text extraction, QR/barcode scanning, and PDF generation with cloud backup. SCANNING MODES: - Document, Business Card, Receipt, ID Card, Whiteboard - Capture from camera, photo library, files, video, or screen region - Auto-shutter for hands-free capture - Auto boundary detection and perspective correction - Auto-crop with corner recognition - Flash control and continuous capture IMAGE EDITING: - 4-corner freeform crop with drag handles - Rotation (360°) and horizontal flip - Filters: Original, Magic Color, B&W, Grayscale, High Contrast - Text annotation overlay - Signature field overlay OCR TEXT EXTRACTION: - Offline OCR using Google ML Kit (no data sent to servers) - 5 language scripts: Japanese, Latin/English, Chinese, Korean, Devanagari - Extract text from scanned images and PDF pages - Extract text and QR codes from PDF and video files - Export text as TXT or Markdown files - Copy or share extracted text AI ASSIST: - AI-generated titles and tags for your scans - One-tap summary of extracted text - AI cleanup of OCR recognition errors - Structured field extraction (receipts, business cards) - Batch AI actions across multiple documents QR & BARCODE SCANNER: - Real-time detection with AR overlay - Scan QR/barcodes from camera, image/PDF files, video, or screen (macOS) - Parse WiFi, contacts (vCard), calendar events, SMS and email - One-tap actions per payload type, with warnings for sensitive data - Scan history with recent results - Auto-open URLs from QR codes - Copy and share barcode values PDF: - Searchable PDF: OCR text embedded as an invisible, searchable layer - Single and multi-page PDF generation - Password-protected PDF encryption - PDF preview with page navigation - Text extraction from PDF documents DOCUMENT LIBRARY: - Browse by type: Documents, Cards, Receipts, IDs, Whiteboards, PDFs - Folders, tags, and full-text search - Bulk selection and batch operations - Trash with soft-delete and restore CLOUD BACKUP: - Google Drive, Dropbox, OneDrive integration - Full library backup as ZIP archive with manifest - Settings export/import in backups - Remote backup upload and download CUSTOMIZATION: - 20+ theme colors with dark/light mode - Configurable auto-crop, perspective correction, and default filter - Responsive layout for mobile, tablet, and desktop QuickScanner Pro unlocks: - Ad-free experience - All premium features - Priority support Terms of Use: https://kakitiro.com/quickapps/quickscanner/terms/

About

ESCalc Scientific Calculator

Features
Read full description

ESCalc (Endo Scientific Calculator) is a scientific calculator app developed by Masamori Endo of Tokai University, author of a Japanese guide to scientific calculators for university students and engineers, to study scientific calculator user interfaces. Designed for university students, researchers, and engineers, ESCalc supports study, research, and practical work with intuitive controls and fewer keystrokes. Key features • CALC: reuse the same expression with different variable values • Key physical constants based on CODATA 2022 • Degrees, minutes, and seconds input and automatic display • Conversion between rectangular and polar coordinates • General-purpose memory and user-defined constants • Recall of calculation history Your comments and feedback help our research into scientific calculator interfaces. We welcome your suggestions.

Screenshots

QuickScanner4 screens
ESCalc Scientific Calculator3 screens

Verdict

The call

The clearest difference is in-app purchases: ESCalc Scientific Calculator at none against QuickScanner's 2. ESCalc Scientific Calculator also leads on ads (none vs shown) and update cadence (every 5 days vs every 2 months). QuickScanner's advantage is device support (4 vs 1) and iOS requirement (13.0 vs 16.0). On price there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. QuickScanner sells 2 in-app purchases, starting at $0.99 per year. ESCalc Scientific Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

QuickScanner ships an update every 2 months, ESCalc Scientific Calculator every 5 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

Scorecard5 real differences Ā· 1 level
QuickScanner versus ESCalc Scientific Calculator: the parameters behind the verdict, then further details
ParameterQuickScannerESCalc Scientific Calculator
PriceFreeFree
Update frequencyEvery 2 monthsEvery 5 days — better
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS13.0 — better16.0
Further details — not scored
Size150 MB26 MB
Age rating4+4+
DeveloperKAZUHIRO KAKIMOTOMasamori Endo

In-app purchases

2 purchases

QuickScanner

Subscriptions1
  • Pro - Annual$0.991 Year
One-time1
  • Pro - Lifetime$4.99
None

ESCalc Scientific Calculator

No in-app purchases

Questions

Is QuickScanner free?
QuickScanner is free to download, with in-app purchases available.
Is ESCalc Scientific Calculator free?
ESCalc Scientific Calculator is free to download, with no in-app purchases.
Do QuickScanner or ESCalc Scientific Calculator have ads?
QuickScanner shows ads; ESCalc Scientific Calculator does not.
Which is updated more often, QuickScanner or ESCalc Scientific Calculator?
QuickScanner ships an update every 2 months, and ESCalc Scientific Calculator every 5 days. Most recently, QuickScanner was updated on October 25, 2026 and ESCalc Scientific Calculator on October 31, 2026.

Other comparisons