ScanFolio vs SlipBox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ScanFolio
Transform paper and digital documents into an organized, searchable library. Scan, edit, sign, and redact sensitive information with ease. Keep your important files accessible and protected across all your Apple devices.
- Scan documents with automatic edge detection
- Import and edit PDFs
- Annotate with text, drawing, and highlights
- Sign documents and fill forms
- Permanently redact sensitive information
- Searchable documents with OCR
- Organize with folders and merge/split pages
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Scan anything to a crisp PDF, sign it and find it again in seconds. ScanFolio turns your iPhone and iPad into a pocket document scanner with OCR, e-signatures, true redaction and smart organisation. Contracts, receipts, invoices, forms, letters, study notes: capture them once and ScanFolio sorts them, suggests a name and makes every word searchable. WHY PEOPLE LOVE SCANFOLIO · Scan to PDF in seconds with automatic edge detection · Sign and fill PDF forms without printing anything · Search the text inside every scan with built-in OCR · Redact for real: hidden content is removed, not just covered · Find documents from Spotlight, Siri and the Shortcuts app SCAN & IMPORT · Scan paper documents with automatic edge detection · Convert photos to PDF right from the Photos app: tap Share, then "Convert to PDF" · Scan QR codes and barcodes · Import PDFs and keep them native or convert them into editable pages · Drag and drop images or PDFs from Files, Safari, Mail and other apps SMART ORGANISATION · Receipts, business cards and general documents are sorted automatically · Smart name suggestions based on content: document type, date and amount · Folders and tags, with tag search across your library · Merge files or split out individual pages · Restore deleted documents for up to 30 days SEARCH EVERYTHING · Built-in OCR makes every scanned page searchable · Recognise text in all your documents at once and choose the languages · Your documents and the text inside your scans show up in Spotlight · Use Siri or Shortcuts to scan, import from Photos or search your documents EDIT & ANNOTATE · Crop, rotate, reorder and enhance pages · Highlight, underline, strikethrough and add text boxes · Draw with Apple Pencil or your finger SIGN, FILL & PROTECT · Save your handwritten signature and place it on any page · Fill PDF forms without printing, scanning or switching apps · Permanently black out sensitive information with true redaction · Export PDFs with optional password protection and your own watermark MADE FOR iPHONE, iPAD & MAC · Keep your library in sync across your devices with iCloud · Use Split View on iPad to read and work side by side Download ScanFolio and turn today's paper pile into a searchable library.
SlipBox
This app helps you build a structured web of knowledge using the Zettelkasten method. Its minimalist design and continuous scrolling interface encourage active recall and pattern recognition for deep cognitive work. Your notes are stored locally for privacy.
- Continuous scroll interface
- Zettelkasten method implementation
- Intentional tagging system
- Minimalist design
- Privacy-first, local storage
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Stop burying your ideas in digital graveyards and start building a structured web of knowledge with the original Zettelkasten method. SlipBox is a minimalist note-taking tool designed for those who value intentionality over automation. By digitizing Niklas Luhmann’s legendary paper-and-pen system, SlipBox replaces complex folders and confusing backlinks with a unique, continuous scrolling interface. This design forces you to physically move through your ideas, facilitating the active recall and spontaneous pattern recognition necessary for deep cognitive work. Key Features for Your Second Brain: Continuous Scroll Interface View your notes in a single, fluid stream to rediscover forgotten insights and spark new ideas. The Luhmann Workflow A digital implementation of the Zettelkasten method that respects the principle of atomicity (one idea per card). Intentional Tagging Organize notes manually to build deep mental maps and avoid the "out of sight, out of mind" trap of folders. Minimalist Design No steep learning curves or bloated features, just you and your knowledge. Privacy-First & Local Your data stays on your device, ensuring your private thoughts remain truly private. Build a knowledge system that grows with you. Turn your fleeting notes into a structured, permanent repository of thought with SlipBox.
Screenshots
Verdict
The clearest difference is review sentiment: ScanFolio at 100% against SlipBox's 90%. On price, update cadence, 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
ScanFolio costs $0.99 and SlipBox $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ScanFolio ships an update monthly, SlipBox every 3 weeks. Both last shipped on October 24, 2026.
| Parameter | ScanFolio | SlipBox |
|---|---|---|
| Price | $0.99 | $0.99 |
| Rating | — | 3.3 (3 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 90.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 — better | 18.2 |
| Further details — not scored | ||
| Size | 11 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Solueman Hussain | Ozlem AKBUDAK |
Customer experience
ScanFolio
SlipBox
In-app purchases
ScanFolio
No in-app purchases
SlipBox
No in-app purchases









