Comparison

Owl Sentry vs InkSpace

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

Head to head
About

Owl Sentry

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Eliminate wasted trap checks and take full control of your pest operations with Owl Sentry — built by a team that spent years in the field and knows the pain of checking empty traps. With Owl Sentry, your traps become smart, connected devices that work for you around the clock: ‣ Get instant push notifications the moment a trap catches a pest, bait runs low, or a station requires service — no more driving to empty traps. ‣ Monitor all your traps in real time on an interactive map with live status indicators across every location. ‣ Attach retrofit IoT sensors to any existing trap in under 2 minutes — no new equipment or rewiring needed. ‣ Start, track, and complete service visits directly from the app with NFC check-in for on-site proof of work. ‣ Access full activity history for every trap — catches, bait consumption, pest migration patterns, and technician visits. ‣ Manage multiple locations and hundreds of traps from a single dashboard, with auditor-level access for compliance reporting. Owl Sentry sensors use long-range LoRaWAN connectivity (up to 4,500 ft) and AI-powered double verification to ensure you only respond to real events — eliminating false positives and unnecessary site visits. Built for the field: IP68 waterproof, 5–10 year battery life, operating from -20°C to +60°C, with a 2-year warranty on all hardware. Customers report up to 5× reduction in operational costs, 70–95% fewer wasted visits, and 3× higher technician productivity. Owl Sentry requires an active subscription and compatible sensors. Starter kits and custom orders available at owlsentry.com.

About

InkSpace

This digital notebook app offers complete creative freedom for note-taking, brainstorming, sketching, and journaling. Customize notebooks with various templates, page styles, and colors. Organize and access notes seamlessly across devices, with offline functionality.

Highlights
  • Unlimited custom notebooks
  • Write, draw, and sketch with stylus support
  • Insert custom shapes, text, and media
  • Searchable tags and bookmarks
  • Sync across all devices
  • Offline functionality
Features
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The all-in-one notebook for handwriting, typing, PDFs, math, diagrams, and more. Built for students who want to learn faster and professionals who want to work smarter. Take handwritten notes, mark up PDFs, solve equations, and record lectures, all in one organized space that keeps your work together and in sync across your devices. Write and draw naturally Capture notes in your own handwriting with smooth, responsive ink. Prefer to type? Switch to the keyboard anytime, with a full font picker and control over size, color, bold, italic, underline, and alignment. Add horizontal and vertical rulers to keep everything precise. Choose the perfect page Start on college ruled, wide ruled, graph, dotted, or blank paper in A4, A5, B5, or custom sizes, portrait or landscape. Personalize everything with custom notebook and page colors, backgrounds, and tints. Templates for every purpose Jump into ready-made template packs for real life: • Planner templates for daily planning and scheduling • Journal templates for reflection and journaling • Fitness templates for workouts and tracking • Teaching templates for lesson planning and classes • Finance and trading templates for money and markets • Handwriting and calendar templates for practice and organization Or build and save your own so your favorite layouts are always one tap away. Study and remember more Turn any subject into a quiz set, a deck of flip cards you can shuffle, grade, and drill yourself with until it sticks. Perfect for exam prep, vocabulary, and quick daily review. Find anything instantly InkSpace reads your handwriting and makes it searchable. Search across every notebook to surface handwritten notes, typed text, sticky notes, code, lists, and tags in seconds. Spotlight finds notes right from the Home Screen, and Siri Shortcuts let you create, open, and search notes hands-free. Work smarter with rich, interactive objects Drop live tools onto your page and move them anywhere: • Math equations with automatic formatting from everyday notation • Calculator with named variables, unit and currency conversion, and financial functions like PMT, FV, and PV • Charts with a built-in data editor and multiple chart types • Function graphs for visualizing equations • Code blocks with syntax highlighting for Swift, Python, JavaScript, Java, C++, and many more • Audio recordings to capture lectures and meetings alongside your notes • Images, maps, and 3D models embedded directly on your pages • Tables and grids with fully editable cells and real formulas • Checklists and lists with bullets, numbers, and checkboxes • Sticky notes and shapes to structure and highlight your thinking Build diagrams and connect ideas Create flowcharts, mind maps, and org-style diagrams by linking shapes, text, and sticky notes with connectors and arrows. Explore without limits using infinite zoom and fractal canvas modes that give you endless room to think. Write papers that are ready to hand in Draft a full essay with proper margins, then let InkSpace build your entire bibliography from your sources in APA, MLA, or Chicago style. Export to PDF or Word, formatted and ready to submit. Organize everything your way Group your notebooks, papers, and quiz sets together into backpacks. Bookmark notebooks and pages, tag pages for fast filtering, connect notes with cross-notebook page links that preview inline, and add hyperlinks to jump anywhere. Import PDFs to reference, attach files, and export pages to share. Sync securely with iCloud Your notebooks stay up to date on every device with iCloud, so your notes are always with you. Perfect for • Students: lecture notes, study guides, math and science homework, searchable revision, recorded classes, quiz sets, and notebooks for every subject • Professionals: meeting notes, project planning, diagrams, referenced PDFs, quick calculations, and reusable templates

Screenshots

Owl Sentry4 screens
InkSpace4 screens

Verdict

The call

The clearest difference is in-app purchases: Owl Sentry at none against InkSpace's 6. Owl Sentry also leads on iOS requirement (13.0 vs 17.0). InkSpace's advantage is update cadence (every 2 weeks vs every 3 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. InkSpace sells 6 one-off in-app purchases. Owl Sentry asks for nothing beyond the download.

UpkeepUpdate frequency

Owl Sentry ships an update every 3 months, InkSpace every 2 weeks. The most recent releases landed on September 14, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 7 level
Owl Sentry versus InkSpace: the parameters behind the verdict, then further details
ParameterOwl SentryInkSpace
PriceFreeFree
Rating—4.6 (9 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—9 — better
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Paid
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size43 MB29 MB
Age rating4+4+
DeveloperPiotr ZuzakTyler Sherman

In-app purchases

None

Owl Sentry

No in-app purchases

6 purchases

InkSpace

One-time6
  • Fitness Pack$0.99
  • Finance Pack$0.99
  • Handwriting Pack$0.99
Show 3 more
  • Planner Pack$0.99
  • Teaching Pack$0.99
  • Journal Pack$0.99

Questions

Is Owl Sentry free?
Owl Sentry is free to download, with no in-app purchases.
Is InkSpace free?
InkSpace is free to download, with in-app purchases available.
Do Owl Sentry or InkSpace have ads?
Neither Owl Sentry nor InkSpace shows ads.
Which is updated more often, Owl Sentry or InkSpace?
Owl Sentry ships an update every 3 months, and InkSpace every 2 weeks. Most recently, Owl Sentry was updated on September 14, 2026 and InkSpace on September 21, 2026.

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