Onshape 3D CAD vs InkSpace
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Onshape 3D CAD
This professional CAD platform enables real-time collaboration on product design from any device. It offers parametric modeling tools, secure cloud storage, and version control, streamlining the design process for teams and individuals. Supports students and educators with free access for non-commercial projects.
- Parametric modeling tools
- Real-time team collaboration
- Cloud-based data management
- Cross-device access
- Version control and history
- Commenting and feedback tools
Read full descriptionHide full description
Onshape is a full mechanical CAD platform designed for professional users and extended teams. Create, edit, collaborate, and comment in real time with others from any computer or mobile device with an internet connection (free sign-up required). With Onshape’s secure cloud workspace teams can work together from anywhere on any device without the hassles of file management, IT overhead, and license key distribution, helping engineers focus more on doing their best work. Parametric CAD: • Design parts together in Part Studios with a full suite of parametric modeling tools • Create mechanical Assemblies to capture complex motion Ease of Access: • Create, edit, and view from any computer or mobile device (internet connection required) • Begin a project from one device and seamlessly continue from another Collaboration: • Instantly share your CAD data with your teams and partners. Monitor, change, and revoke permissions at any time • Work together with other users and view changes in real-time as they are made • Use Follow mode to see exactly what your teammate sees and add suggestions using Onshape’s built-in commenting tools Data Management: • Maintain a single source of truth for your data, no more sending around or checking in and out of files • Never worry about losing your work, all of your changes are saved automatically • Explore multiple design ideas in parallel and create professional release and approval processes for your designs Onshape for iOS also features Apple Pencil support for more intuitive sketching, navigation, and precise selection. Onshape proudly supports students and educators free of charge and is available free for non-commercial projects in an open-source public work space. Since Onshape is updated every few weeks with dozens of new features and user-requested enhancements, keep an eye out for update notifications from the Apple App Store.
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.
- 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
Read full descriptionHide full description
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
Verdict
The clearest difference is review sentiment: InkSpace at 100% against Onshape 3D CAD's 47%. InkSpace also leads on rating (4.6 vs 3.5). Onshape 3D CAD's advantage is in-app purchases (none vs 6) and ratings volume (410 vs 9). On price, update cadence, 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. InkSpace sells 6 one-off in-app purchases. Onshape 3D CAD asks for nothing beyond the download.
InkSpace holds the better App Store score, 4.6 against 3.5. That said, the two scores are not equally well evidenced: Onshape 3D CAD has 410 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 47% of Onshape 3D CAD's written reviews are positive against 100% of InkSpace's.
Onshape 3D CAD ships an update every 3 weeks, InkSpace every 2 weeks. The most recent releases landed on September 28, 2026 and September 21, 2026 respectively.
| Parameter | Onshape 3D CAD | InkSpace |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (410 ratings) | 4.6 (9 ratings) — better |
| Positive reviews | 47.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 410 — better | 9 |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 77 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | PTC Inc. | Tyler Sherman |
Customer experience
Onshape 3D CAD
InkSpace
Bugs and requests
Onshape 3D CAD
Reported bugs
5 issues- Frequent crashes and freezes
- Dimensions not visible/editable
- Rotation/view controls unreliable
- Unable to create account
- Incompatible with older devices
Requested features
5 requests- Add keyboard shortcuts
- Improve dimensioning tools
- Allow private file storage
- Optimize for iPad/Apple Pencil
- Provide better documentation/tutorials
InkSpace
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Onshape 3D CAD
No in-app purchases
InkSpace
- Fitness Pack$0.99
- Finance Pack$0.99
- Handwriting Pack$0.99
Show 3 moreShow fewer
- Planner Pack$0.99
- Teaching Pack$0.99
- Journal Pack$0.99
Questions
Is Onshape 3D CAD free?
Is InkSpace free?
Which has better reviews, Onshape 3D CAD or InkSpace?
Do Onshape 3D CAD or InkSpace have ads?
Which is updated more often, Onshape 3D CAD or InkSpace?
Other comparisons















