# Onshape 3D CAD vs InkSpace

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) and update cadence (every 10 days vs every 3 weeks). Onshape 3D CAD's advantage is in-app purchases (none vs 6) and ratings volume (412 vs 10). On price, ads, device support and iOS requirement there is nothing between them.

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 412 ratings behind it against 10, 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 10 days. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Onshape 3D CAD | InkSpace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (412 ratings)](https://appshunter.io/ios/app/onshape-3d-cad/id923421284/reviews) | **[4.6 (10 ratings)](https://appshunter.io/ios/app/inkspace/id6741228360/reviews)** |
| Number of ratings | **412** | 10 |
| Positive reviews | 47.4% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 77 MB | 67 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PTC Inc.](https://appshunter.io/developer/501201404) | [Tyler Sherman](https://appshunter.io/developer/598091745) |

## What reviewers say

### Onshape 3D CAD

[App page](https://appshunter.io/ios/app/onshape-3d-cad/id923421284)

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Powerful CAD features
- 🌐 Accessible from any device
- 👍 Intuitive interface
- 💡 Great for on-site work
- 🌟 Exceptional for a free app

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 👎 Unintuitive and clunky UI
- 🔒 Requires account sign-up
- 💰 Expensive paid plans
- 🔍 Difficult to find/use key features

**Reported bugs**

- Frequent crashes and freezes
- Dimensions not visible/editable
- Rotation/view controls unreliable
- Unable to create account
- Incompatible with older devices

**Requested features**

- Add keyboard shortcuts
- Improve dimensioning tools
- Allow private file storage
- Optimize for iPad/Apple Pencil
- Provide better documentation/tutorials


### InkSpace

[App page](https://appshunter.io/ios/app/inkspace/id6741228360)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fitness Pack | $0.99 | one-time |
| Finance Pack | $0.99 | one-time |
| Handwriting Pack | $0.99 | one-time |
| Planner Pack | $0.99 | one-time |
| Teaching Pack | $0.99 | one-time |
| Journal Pack | $0.99 | one-time |


## Frequently asked questions

### Is Onshape 3D CAD free?

Onshape 3D CAD is free to download, with no in-app purchases.

### Is InkSpace free?

InkSpace is free to download, with in-app purchases available.

### Which has better reviews, Onshape 3D CAD or InkSpace?

InkSpace is rated higher. Onshape 3D CAD averages 3.5 out of 5 from 412 ratings, while InkSpace averages 4.6 from 10 ratings.

### Do Onshape 3D CAD or InkSpace have ads?

Neither Onshape 3D CAD nor InkSpace shows ads.

### Which is updated more often, Onshape 3D CAD or InkSpace?

Onshape 3D CAD ships an update every 3 weeks, and InkSpace every 10 days. Most recently, Onshape 3D CAD was updated on October 10, 2026 and InkSpace on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*