PDF Scanner vs Hide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Scanner
Transform your iPhone into a powerful document studio. Scan, read, edit, merge, and manage all your PDF files with this all-in-one, ultra-fast, and intuitive application. Keep your documents confidential with local processing.
- Intelligent document scanning
- PDF reading and annotation
- Drawing and easy signing
- Merge and organize PDFs
- Ultimate file manager
- Local data privacy
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Transform your iPhone into a powerful, pocket-sized document studio! Whether you are a student, professional, or simply trying to go paperless, PDF Scanner - File Reader provides you need to scan, read, edit, and manage your PDF files seamlessly. Stop juggling multiple apps for your documents. We bring all the essential PDF tools into one lightning-fast, easy-to-use application. CORE FEATURES: Smart Document Scanner Instantly turn receipts, notes, and multi-page documents into crystal-clear PDFs. Read & Annotate Enjoy a smooth, fast PDF reading experience. Highlight important text, draw shapes, or add notes directly onto your documents. Easy Drawing & Signing Sign contracts, forms, and official applications directly on your screen using the intuitive brush tool. Write your name or add hand-drawn annotations naturally to any document, then save it instantly. Merge & Organize Combine multiple PDFs or images into a single, organized document. Reorder, extract, or delete specific pages with an intuitive interface. Ultimate File Manager Organize your documents with custom folders and quick search. LOCAL-FIRST PRIVACY Your documents are your business. PDF Scanner - File Reader is built on a "Local-First" philosophy. The vast majority of document rendering, scanning, and editing happens directly on your device. We do not upload your sensitive files to our servers without your permission. Download PDF Scanner - File Reader and take control of your digital documents!
Hide
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Hide is a leatherworking calculator with cited math. Every SPI, every thread-length rule, every edge-finish recommendation names its source. Pay once at $6.99 for Hide Pro — no subscription, no ads, no scanner. The wedge Most leatherworking apps stop at thread length. Hide includes thread length in the free tier (matches the incumbent's full surface) and unlocks the rest with one $6.99 lifetime purchase: saddle-stitch SPI by leather weight × project, edge-finish recommendation by leather temper, glue selection by use case, dye + sealant by goal, brand-aware presets. Every method tells you whose method it is. Free tier • Thread-length calculator — Stohlman's precision rule and Armitage's generous heuristic, side-by-side, with the leather-thickness math shown • Leather weight oz → mm thickness conversion (1 oz ≈ 0.4 mm per Tandy convention) • 1 saved project slot • Brand picker showing the supplier names Hide Pro ($6.99 lifetime) • Saddle-stitch SPI by leather weight × project type, with awl-hole spacing in mm / inches • Edge-finish matrix — burnish with water + gum tragacanth, burnish + Tokonole wax, edge paint, or wax burnish — selected by leather temper (veg-tan smooth, veg-tan thick, chrome-tan, bridle, oil-tan) • Glue selection matrix — contact cement vs EVA white vs PVA vs hide glue — by use case + dry time + odor • Dye + sealant matrix — spirit / oil / water dye, Resolene / acrylic / wax sealant, with compatibility warnings • Brand-aware presets: Tandy Leather, Buckleguy, Maverick Leather, Wickett & Craig, Horween — typical SKU ranges + edge-finish recommendation per their leather chemistry • Unlimited project log • Citations & Sources screen with every author named Honest authority story Leatherworking has no USDA / AOCS / Knife Steel Nerds equivalent. Hide's authority is practitioner-tier, and we own that: Al Stohlman (The Art of Hand Sewing Leather, Tandy 1977), Nigel Armitage (Armitage Leather, UK), Stitchpunk (J.H. Sherman), Corter Leather & Cloth (Eric Heins), plus tannery technical sheets from Wickett & Craig, Horween, and Sedgwick & Co. Every number Hide displays tells you whose method it is so you can verify against the original. The Moon Dog promise • Pay once. No subscription. No ads. • No account. No login. No signup. No network. • Works fully offline. • No data collection. Disclaimer Hide is for hobby leatherworking guidance. Independent verification against your supplier's technical sheets and your own project requirements is your responsibility. © 2026 Roman Kopaliani
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Verdict
The clearest difference is in-app purchases: PDF Scanner at none against Hide's 1. Hide's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Hide sells 1 one-off in-app purchase. PDF Scanner asks for nothing beyond the download.
PDF Scanner ships an update every 4 weeks, Hide monthly. Both last shipped on October 1, 2026.
| Parameter | PDF Scanner | Hide |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (6 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 4 weeks — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 115 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Fuzhou Xuanlong Technology Co., Ltd. | Roman Kopaliani |
In-app purchases
PDF Scanner
No in-app purchases
Hide
- Hide Pro (lifetime)$6.99









