Comparison

Onshape 3D CAD vs Full Screen Viewer

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

Head to head
About

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.

Highlights
  • Parametric modeling tools
  • Real-time team collaboration
  • Cloud-based data management
  • Cross-device access
  • Version control and history
  • Commenting and feedback tools
Read 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.

About

Full Screen Viewer

View PDF files and various image formats on your smartphone or tablet with a focus on essential functions for workplace efficiency. Offers smooth operation, one-handed use, and powerful magnification for detailed viewing of blueprints, documents, and photos.

Highlights
  • Full screen display
  • One-handed operation
  • View PDF and image files
  • Magnify up to 100x
  • Smooth zoom and page switching
  • Read files from various locations
  • File management and history
Read full description

Full Screen Viewer is an app for viewing PDF files and images on smartphones and tablets. For those who are actively working, the selection of tools to use is essential for improving work efficiency. This app was developed based on the views of such people, with consideration for ease of use in the actual workplace by focusing on the necessary functions rather than aiming for multiple functions. [Features] · Full screen display · Smooth operation · Can be operated with one hand · Display PDF files and multiple types of image files (JPEG, PNG, GIF, BMP, TIFF) · Files can be magnified up to 100x · You can zoom in to the maximum size or zoom out to the minimum size with a single drag without having to drag again and again. · You can easily switch the screen orientation between portrait and landscape by simply changing the orientation of the device to portrait or landscape. · For PDF files with multiple pages, you can move between the pages. [Use Cases] · Display blueprints (plans) Main target users: Engineers This app allows files to be magnified up to a very high magnification level, so it is ideal for viewing PDF blueprints (plans) with detailed drawings. Also, since it can be operated with one hand, you can perform other tasks at the same time with the other hand, such as writing with pen. · Display various documents Main target users: Sales staff, consultants It supports PDF files with multiple pages, so you can move between the pages. It is suitable for displaying catalogs, pamphlets, and various documents. You can move between pages and change magnification levels with smooth operations with the full screen display to view for yourself or to show customers while giving an explanation. · Super magnification of photos Main target users: Photographers Since photos can be magnified up to 100x, you can magnify photos with complex machines, crowds, and various objects to see the details. [List of Functions] · Display PDF files and images (JPEG, PNG, GIF, BMP, TIFF) · Selection of operation method You can choose from 3 types of operation methods. Operation 1 Tilt the device to move Drag the screen to zoom in/out Operation 2 Drag the screen to move Drag the screen to zoom in/out Operation 3 Drag the screen to move Pinch in/out to zoom in/out · Change the maximum magnification level · PDF page switching · Read files in various locations Photos in the photo library PDF files and images in the device (iPhone/iPad) PDF files and images in Dropbox Download and display files by entering a URL (The URL can be entered directly or with a QR code) · File management Confirm view history View history is saved without limit (deleted manually) Read and delete files viewed in the past · Share files with friends and collaborators · Switch the screen orientation (portrait/landscape display) · Lock/unlock the screen orientation *A subscription is required to be able to use all the functions.

Screenshots

Onshape 3D CAD4 screens
Full Screen Viewer4 screens

Verdict

The call

The clearest difference is in-app purchases: Onshape 3D CAD at none against Full Screen Viewer's 4. Onshape 3D CAD also leads on ads (none vs shown) and ratings volume (417 vs 3). Full Screen Viewer's advantage is iOS requirement (13.0 vs 18.0). On price, rating, update cadence and monetization model 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. Full Screen Viewer sells 4 in-app purchases, starting at $1.99 per month. Onshape 3D CAD asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Full Screen Viewer holds the better App Store score, 3.7 against 3.5. That said, the two scores are not equally well evidenced: Onshape 3D CAD has 417 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Onshape 3D CAD ships an update every 3 weeks, Full Screen Viewer fortnightly. The most recent releases landed on November 1, 2026 and October 21, 2026 respectively.

Scorecard4 real differences · 6 level
Onshape 3D CAD versus Full Screen Viewer: the parameters behind the verdict, then further details
ParameterOnshape 3D CADFull Screen Viewer
PriceFreeFree
Rating3.5 (417 ratings)3.7 (3 ratings) — better
Positive reviews47.3% of reviews—
Number of ratings417 — better3
Update frequencyEvery 3 weeksFortnightly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.013.0 — better
Further details — not scored
Size77 MB31 MB
Age rating4+4+
DeveloperPTC Inc.Akane Tominaga

Customer experience

Onshape 3D CAD

All ratings417 ratings
Positive61.4%
Neutral6.0%
Negative32.6%
Written reviews425 reviews
Positive47.3%
Neutral6.4%
Negative46.4%

Full Screen Viewer

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

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

Full Screen Viewer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Onshape 3D CAD

No in-app purchases

4 purchases

Full Screen Viewer

Subscriptions4
  • One month subscription$1.991 Month
  • PRO version (Monthly)$1.991 Month
  • One year subscription$22.491 Year
Show 1 more
  • PRO version (Yearly)$22.491 Year

Questions

Is Onshape 3D CAD free?
Onshape 3D CAD is free to download, with no in-app purchases.
Is Full Screen Viewer free?
Full Screen Viewer is free to download, with in-app purchases available.
Which has better reviews, Onshape 3D CAD or Full Screen Viewer?
Full Screen Viewer is rated higher. Onshape 3D CAD averages 3.5 out of 5 from 417 ratings, while Full Screen Viewer averages 3.7 from 3 ratings.
Do Onshape 3D CAD or Full Screen Viewer have ads?
Full Screen Viewer shows ads; Onshape 3D CAD does not.
Which is updated more often, Onshape 3D CAD or Full Screen Viewer?
Onshape 3D CAD ships an update every 3 weeks, and Full Screen Viewer fortnightly. Most recently, Onshape 3D CAD was updated on November 1, 2026 and Full Screen Viewer on October 21, 2026.

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