One Scan vs KGM Mail
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One Scan
Easily scan, convert, and sign documents from your device. Organize your business and personal files with features like auto-detection, flash, and folder management. Edit, e-sign, and share your scanned documents quickly and efficiently.
- Scan documents with auto-detection
- Convert to PDF instantly
- E-sign and paraph files
- Organize with folders and search
- Share via email and text
- Import files from cloud storage
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One Scan turns your iPhone and iPad into a powerful AI scanner. Point, tap, done: documents, receipts, ID cards, books and photos become crisp, searchable PDFs in one tap. Then sign, edit, organize and share them in seconds. Everything you expect from a top scanner app, without the clutter. No settings to fiddle with, no learning curve: One Scan does the hard work for you. SCAN ANYTHING IN ONE TAP - Automatic edge detection, perspective correction and shadow removal - Batch mode: capture dozens of pages in a row and get a single multi-page PDF - Smart filters: color, grayscale, black & white, whiteboard and auto-enhance - Dedicated modes for documents, ID cards (front and back on one page), passports, business cards, books, receipts and photos - Import from Photos, Files, Mail or any app with the Share Sheet - Built-in QR code and barcode reader AI THAT DOES THE BORING PART - OCR text recognition in 100+ languages: copy, search and export the text of any scan - AI summaries and instant answers: ask a question about a contract, an invoice or a report and get the answer - Smart naming and auto-sorting: One Scan reads your document, names it and files it for you - Data extraction: pull dates, totals and vendors from receipts and invoices, ready to export - One-tap translation of scanned text SIGN AND EDIT PDFS - Sign with your finger, Apple Pencil or a saved signature; add initials, dates and text fields - Fill out forms, annotate, highlight, draw, add stamps and watermarks - Reorder, rotate, delete, merge and split pages - Compress files, choose the page size (A4, Letter…) and the margins - Export as PDF, JPG, PNG, TXT or Word ORGANIZE AND FIND EVERYTHING - Folders, tags and favorites - Full-text search inside your scans, powered by OCR - iCloud sync keeps your library up to date on iPhone and iPad - Save to Files, iCloud Drive, Google Drive, Dropbox or OneDrive - Share by Mail, Messages, AirDrop or WhatsApp, or print with AirPrint PRIVATE BY DESIGN - Your scans are processed on your device and stay in your library. No account required - Lock the app and individual documents with Face ID, Touch ID or a passcode - Password-protect PDFs before you share them - No ads, and we never sell your data MADE FOR IPHONE AND IPAD - Full iPad experience: Split View, drag and drop, keyboard shortcuts and Apple Pencil - Home Screen widgets, Siri Shortcuts and a Files extension to scan from anywhere - Optimized for the latest iOS and iPadOS PERFECT FOR Students, teachers, freelancers, small businesses, travelers and remote workers. Anyone who needs to scan contracts, receipts, notes, whiteboards, IDs or old family photos. Terms of Use: https://mwm.ai/legal/scanner/terms-of-use Privacy Policy: https://mwm.ai/legal/scanner/privacy-policy
KGM Mail
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KGM Mail — Streamlined Communication Between Clients and Engineers KGM Mail makes it easy for clients of KGM Engineering to communicate directly with our civil engineers — sharing photos, voice messages, and project updates quickly and securely. Key Features - Capture and Share Effortlessly Take or import photos and record voice messages directly within the app. Select the files you want to share, and KGM Mail takes care of the rest. - Smart Engineer Identification Each KGM Engineering drawing includes a unique QR code. Simply scan the QR code to automatically identify and connect with the engineer responsible for your project. - Easy Email Integration After scanning, send an email to your engineer through Apple Mail or Outlook — complete with your selected photos or voice recordings. Communication stays organized and efficient. - Flexible File Sharing Options Attach files directly to emails (up to 20 MiB total). Or, for larger projects, securely upload your files to Google Drive. The app automatically generates a private link shared only with KGM Engineering, allowing unlimited uploads. - Data Separation and Privacy All your project photos and voice messages remain securely stored within the app, keeping your professional data separate from your personal media. You can also export your files anytime you choose. Why KGM Mail? KGM Mail bridges the gap between clients and civil engineers, simplifying project communication, reducing email clutter, and ensuring every image and message reaches the right engineer — fast and securely. Designed exclusively for KGM Engineering clients.
Screenshots
Verdict
The clearest difference is in-app purchases: KGM Mail at none against One Scan's 10. KGM Mail also leads on iOS requirement (17.6 vs 26.0). One Scan's advantage is update cadence (monthly vs every 2 months). 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
Both are free to download. One Scan sells 10 in-app purchases, starting at $3.99 per 7 days. KGM Mail asks for nothing beyond the download.
One Scan ships an update monthly, KGM Mail every 2 months. The most recent releases landed on October 28, 2026 and October 9, 2026 respectively.
| Parameter | One Scan | KGM Mail |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (12K ratings) — better | — |
| Positive reviews | 26.0% of reviews | — |
| Number of ratings | 12K — better | — |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 41 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | App Rover | VICTOR KALENDA |
Bugs and requests
One Scan
Reported bugs
3 issues- App freezes and becomes unresponsive
- Scans not saving properly
- Subscription charges continue even after cancellation
Requested features
3 requests- Free tier with limited scans
- Ability to export scans to cloud storage
- Better customer support and communication
KGM Mail
Not enough reviews yet to summarise bugs or requests.
In-app purchases
One Scan
- Weekly Premium Pass7 Days trial$3.997 Days
- Weekly Premium Pass7 Days trial$5.997 Days
- Scanner Premium Pass7 Days trial$7.997 Days
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- Monthly Premium Pass7 Days trial$9.991 Month
- Monthly Premium Pass3 Days trial$9.991 Month
- Annual Premium Pass$29.991 Year
- Annually Premium Pass7 Days trial$49.991 Year
- Yearly Premium Pass3 Days trial$49.991 Year
- Yearly Premium Pass.$49.991 Year
- Annually Premium Pass7 Days trial$59.991 Year
KGM Mail
No in-app purchases








