Comparison

QuickScanner vs ConvertCalc

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

ConvertCalc

This app combines a powerful calculator with an advanced unit converter, offering over 200 units across 19 categories. It allows for unified calculations and conversions in one step, with features like live currency exchange and date conversions. An optional pro version unlocks advanced customization and organizational tools.

Highlights
  • Unified calculation and conversion workflow
  • Over 200 units across 19 categories
  • Live currency conversion
  • Multiple calendar system conversions
  • Age calculator
  • Customizable themes and layouts
  • Offline functionality (excluding live currency)
Features
Read full description

ConvertCalc – Pro Calculator & Unit Converter Fast. Private. Ad-free. Over 200+ units. The only calculator you’ll ever need. ConvertCalc combines a powerful everyday calculator with an advanced unit converter in one clean, distraction-free app. Built for students, travelers, freelancers, and professionals who need accurate results instantly — without ads or clutter. WHY CONVERTCALC? Unified Workflow Calculate and convert in one step. Enter an equation, get the result, and instantly convert it to any unit. No switching apps. No extra taps. POWERFUL UNIT CONVERSION 19 categories. Hundreds of units. Real-world use cases: Essentials Length, Mass, Volume, Area, Temperature, Time, Speed Travel & Finance Live currency conversion (30+ major currencies) Shoe size conversion (Men, Women, Kids) Science & Engineering Force, Energy, Power, Pressure, Torque, Fuel Consumption Technology Data storage (Bit to Yottabyte) Data transfer speeds Calendar Systems Convert dates across: Gregorian, Japanese, Buddhist, Islamic, Hebrew, Chinese Lunar, Indian, Persian, ISO 8601, ROC Age Finder Instant age calculator and estimator GO PRO – TOTAL CONTROL Unlock the full power of ConvertCalc Pro: Favorite Pairs Save common conversions for quick access (USD to EUR, Meters to Feet, Celsius to Fahrenheit) One-Handed Layouts Compact, Right-handed and Left-handed modes Unlimited Named History Save, label, and organize your calculations Saved Shoe Profiles Store sizes for family and friends Full Organization Reorder currencies and units your way Advanced Rounding Control decimals and precision Premium Customization 50+ themes and custom colors Design your perfect calculator 100% Ad-Free Forever BUILT FOR DAILY USE Works offline (except live currency updates) Smart history tracking No tracking, no ads Clean, modern interface Download ConvertCalc One app. Endless calculations.

Screenshots

QuickScanner4 screens
ConvertCalc4 screens

Verdict

The call

The clearest difference is update cadence: ConvertCalc at every 8 days against QuickScanner's every 2 months. QuickScanner's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases 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. QuickScanner sells 2 in-app purchases, starting at $0.99 per year and ConvertCalc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

QuickScanner ships an update every 2 months, ConvertCalc every 8 days. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

Scorecard3 real differences · 7 level
QuickScanner versus ConvertCalc: the parameters behind the verdict, then further details
ParameterQuickScannerConvertCalc
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 2 monthsEvery 8 days — better
AdsYesYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size150 MB28 MB
Age rating4+4+
DeveloperKAZUHIRO KAKIMOTOMichael Riehl

In-app purchases

2 purchases

QuickScanner

Subscriptions1
  • Pro - Annual$0.991 Year
One-time1
  • Pro - Lifetime$4.99
1 purchases

ConvertCalc

One-time1
  • ConvertCalc Pro$8.99

Questions

Is QuickScanner free?
QuickScanner is free to download, with in-app purchases available.
Is ConvertCalc free?
ConvertCalc is free to download, with in-app purchases available.
Do QuickScanner or ConvertCalc have ads?
Both QuickScanner and ConvertCalc show ads.
Which is updated more often, QuickScanner or ConvertCalc?
QuickScanner ships an update every 2 months, and ConvertCalc every 8 days. Most recently, QuickScanner was updated on September 17, 2026 and ConvertCalc on September 18, 2026.

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