Comparison

Knut Book Scanner vs Network Terrier

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

Head to head
About

Knut Book Scanner

Transform your phone into a private book scanner. Capture two pages at once, automatically split them, and generate shareable PDFs offline. Manage your scanned library with ease.

Highlights
  • Two pages per capture
  • Smart auto-capture
  • Adjustable crop with mirror symmetry
  • Instant PDF generation
  • Offline functionality
  • PDF library management
  • Multiple quality presets
Features
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Knut: Book Scanner & PDF turns your iPhone into a fast, privacy-first book scanner. Place your book on a scanning stand, and the app captures two pages at once, splits them automatically, and generates a ready-to-share PDF — all without touching the cloud. BUILT FOR READERS WHO VALUE PRIVACY Every image you capture, every PDF you create, and every setting you choose stays on your device. No accounts. No cloud uploads. No analytics. No ads. We do not collect a single byte of your data. HOW IT WORKS 1. Place your book on a scanning stand and position your iPhone above it. 2. Tap capture — or enable smart auto-capture to scan hands-free. The app detects when a page is ready and captures automatically. 3. When you stop scanning, your pages are assembled into a PDF automatically. Share it anywhere with one tap. KEY FEATURES - Two Pages Per Capture — Photograph an open book and the app splits the image into individual pages automatically. One shot, two pages, every time. - Smart Auto-Capture — Powered by Vision-based document detection. The app recognizes when a page is settled and captures automatically — no fixed timers. A live confidence overlay shows green when the page is ready, amber while settling, and hides during page turns — so you always know when the next capture will fire. A configurable capture pause lets you turn pages at your own speed, and a fallback timer ensures no page is missed. - Adjustable Crop with Mirror Symmetry — Set your crop rectangle once and fine-tune it to frame your pages. Mirror symmetry applies the same adjustment to both pages — one setting, two perfect crops. - Zoom & Torch Control — Adjust camera zoom to frame your scanning stand perfectly. Toggle the torch for consistent lighting in any environment. - Instant PDF Generation — Your scanned pages become a shareable PDF the moment you stop scanning. No extra steps, no conversion waiting. - PDF Library — Browse, rename, sort, and preview all your scanned books in one place. Multi-select to share or export multiple PDFs at once. - Three Quality Presets — Choose High (maximum detail), Normal (balanced), or Compact (smallest file size) depending on your needs. - 66+ Languages — Use the app in your language. From Arabic to Vietnamese, Knut supports over 66 languages out of the box. - 100% Offline — Works without an internet connection. Your library is always accessible, wherever you are. SIMPLE PRICING Try the full app with 500 free pages. If you like it, unlock unlimited scanning for $2.99 — one-time, no subscription. All future updates included. PERFECT FOR - Students digitizing textbook chapters and lecture handouts - Researchers archiving journal articles and reference material - Book lovers preserving personal libraries - Professionals scanning manuals, contracts, and reference documents - Anyone who needs book pages in PDF without a flatbed scanner Download Knut: Book Scanner & PDF and start building your digital library today.

About

Network Terrier

Features
Read full description

Network Terrier helps you understand what is connected to your Wi-Fi network. Scan your local network to discover phones, laptops, TVs, speakers, printers, cameras, routers, smart-home devices, and anything else using your connection. Network Terrier organizes devices into a clear list, makes intelligent identification suggestions, and helps you spot devices you do not recognize. Use Network Terrier to: • Discover devices connected to your Wi-Fi • Identify device type, vendor, IP address, hostname, and available network details • Flag unfamiliar devices for review • View a home-network security score • Check common security findings and suggested fixes • Track known devices across scans • Link devices to people in your household • Run network tools including speed test, ping, traceroute, and DNS lookup • Identify network printers and inspect printer-related details Network Terrier is designed for your own home or other networks you are authorized to inspect. It does not hack devices, bypass passwords, or access private content on other devices. Scans use standard discovery methods on your local network. Network Terrier Pro unlocks unlimited scans, security review, device tracking, alerts, printer-identification tools, speed testing, and advanced diagnostics. Monthly and yearly auto-renewable subscriptions are available. The yearly plan includes a 7-day free trial for eligible new subscribers. Payment is charged to your Apple ID when you confirm purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Your account is charged within 24 hours before renewal. You can manage or cancel subscriptions in your App Store account settings. Privacy Policy: https://617sw.com/network-terrier/privacy Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Knut Book Scanner4 screens
Network Terrier4 screens

Verdict

The call

Knut Book Scanner and Network Terrier are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Knut Book Scanner sells 1 one-off in-app purchase and Network Terrier sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Knut Book Scanner versus Network Terrier: the parameters behind the verdict, then further details
ParameterKnut Book ScannerNetwork Terrier
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.017.0
Further details — not scored
Size3 MB3 MB
Age rating4+4+
DeveloperJussi Rajaniemi617SW, LLC

In-app purchases

1 purchases

Knut Book Scanner

One-time1
  • Full Version$2.99
2 purchases

Network Terrier

Subscriptions2
  • Monthly$3.991 Month
  • Yearly7 Days trial$34.991 Year

Questions

Is Knut Book Scanner free?
Knut Book Scanner is free to download, with in-app purchases available.
Is Network Terrier free?
Network Terrier is free to download, with in-app purchases available.
Do Knut Book Scanner or Network Terrier have ads?
Neither Knut Book Scanner nor Network Terrier shows ads.

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