Comparison

Shapr 3D CAD modeling vs ContextStacker

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

Head to head
About

Shapr 3D CAD modeling

Design and manufacture 3D models with an intuitive, multidevice CAD tool. Collaborate with teams, visualize designs in AR, and export to various formats. Work from anywhere, online or offline, with an adaptive interface that keeps your focus on creating.

Highlights
  • Multidevice CAD workflow
  • Adaptive user interface
  • Design-driven collaboration
  • Real-time AR renders
  • Extensive export/import support
  • 2D drawing output
Read full description

From design to manufacturing. Teams collaborate with more impact. Instinctive design meets multidevice capability and full interoperability for the ultimate 3D design workflow. All platforms Pick your device and your input tool leveraging the first CAD tool envisioned for multidevice. Hybrid workflow meets cross-functional team processes with automatic sync across devices. Work from any device or offline: design and collaborate at your best, everywhere. Compact tools. Space for focus. An adaptive user interface auto-sorts tools, taking the clutter out of designing. Your focus stays front and center to eliminate clunking around and prioritize high-quality decisions. Design-driven collaboration. Make designing a reflex and visual communication second nature for the whole team. Instinctive CAD meets a visual communication bundle complete with real-time 3D renders in AR, shareable via a link for download-free viewing. Start where you are and finish strong – no expensive hardware needed. Shapr3D combines industrial-grade CAD with a user-friendly experience, including: • Siemens™ geometric Parasolid® modeling kernel and D-Cubed™ sketch engine • Export support for X_T, STEP, STL, OBJ, 2D DXF, 2D DWG, IGES, 3MF, SVG • Import support for SLDPRT, SLDASM, X_T, STEP, STL, IGES, 2D DWG, 2D DXF, JPG, PNG • Output 2D Drawings • Generate real-life scenes from your models in seconds - powered by AI Get in touch Have a question? Visit our forum: https://discourse.shapr3d.com. For support queries, please submit a request here: https://shapr3d.com/support Terms of Use: https://www.shapr3d.com/terms-of-use Privacy Policy: https://www.shapr3d.com/privacy-policy

About

ContextStacker

Features
Read full description

ContextStacker brings your workspace knowledge into one focused chat. Sign in with the same account you use on the web, then ask questions across readable documents and enabled API resources in your workspace. Answers stream as they are generated, support Markdown, and include source references so you can understand where the information came from. KEY FEATURES • Ask across your entire workspace without choosing a single document • Continue conversations shared with the ContextStacker web app • Receive streamed answers with Markdown formatting • Review document and API sources behind each answer • Start new conversations and revisit chat history • Switch workspaces and manage your account • View your current plan and usage Use the web app to add or manage documents and API resources or invite members. Workspace owners and billing managers can subscribe to Pro Annual or Business Annual in the iOS app. Each plan clearly shows its annual price and included services before purchase. ContextStacker supports English, Simplified Chinese, and Japanese. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ContextStacker4 screens

Verdict

The call

The clearest difference is update cadence: ContextStacker at every 3 days against Shapr 3D CAD modeling's weekly. On price, ads, in-app purchases 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. Shapr 3D CAD modeling sells 6 in-app purchases, starting at $32.99 per month and ContextStacker sells 2 in-app purchases, starting at $99.00 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Shapr 3D CAD modeling ships an update weekly, ContextStacker every 3 days. The most recent releases landed on October 18, 2026 and September 28, 2026 respectively.

Scorecard1 real difference · 9 level
Shapr 3D CAD modeling versus ContextStacker: the parameters behind the verdict, then further details
ParameterShapr 3D CAD modelingContextStacker
PriceFreeFree
Rating4.7 (34K ratings) — better—
Positive reviews50.1% of reviews—
Number of ratings34K — better—
Update frequencyWeeklyEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPad, Mac, Vision Pro — betteriPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size1.6 GB7 MB
Age rating4+4+
DeveloperShapr3D Zrt鹏源 邱

Bugs and requests

Shapr 3D CAD modeling

Reported bugs

3 issues
  • Unreliable performance after recent updates
  • Difficulty deleting or modifying existing designs
  • Inconsistent behavior when using the Apple Pencil

Requested features

6 requests
  • Add more affordable pricing tiers for hobbyists
  • Improve undo/redo functionality
  • Implement better file management and organization
  • Add support for importing/exporting more file formats
  • Enhance parametric modeling capabilities
Show 1 more
  • Introduce a one-time purchase option

ContextStacker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Shapr 3D CAD modeling

Subscriptions6
  • Solo Subscription14 Days trial$32.991 Month
  • Pro Subscription14 Days trial$37.991 Month
  • Business Subscription14 Days trial$59.991 Month
Show 3 more
  • Solo Subscription14 Days trial$249.991 Year
  • Pro Subscription14 Days trial$299.991 Year
  • Business Subscription14 Days trial$499.991 Year
2 purchases

ContextStacker

Subscriptions2
  • Pro Annual$99.001 Year
  • Business Annual$199.001 Year

Questions

Is Shapr 3D CAD modeling free?
Shapr 3D CAD modeling is free to download, with in-app purchases available.
Is ContextStacker free?
ContextStacker is free to download, with in-app purchases available.
Do Shapr 3D CAD modeling or ContextStacker have ads?
Neither Shapr 3D CAD modeling nor ContextStacker shows ads.
Which is updated more often, Shapr 3D CAD modeling or ContextStacker?
Shapr 3D CAD modeling ships an update weekly, and ContextStacker every 3 days. Most recently, Shapr 3D CAD modeling was updated on October 18, 2026 and ContextStacker on September 28, 2026.

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