# Onshape 3D CAD vs Thoughtmarks

The clearest difference is review sentiment: Thoughtmarks at 100% against Onshape 3D CAD's 47%. Thoughtmarks also leads on rating (5.0 vs 3.5). Onshape 3D CAD's advantage is in-app purchases (none vs 6) and ratings volume (419 vs 11). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Thoughtmarks sells 6 in-app purchases, starting at $5.00 per month. Onshape 3D CAD asks for nothing beyond the download.

Thoughtmarks holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Onshape 3D CAD has 419 ratings behind it against 11, 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 Thoughtmarks's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 11, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Onshape 3D CAD | Thoughtmarks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (419 ratings)](https://appshunter.io/ios/app/onshape-3d-cad/id923421284/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/thoughtmarks-ai-voice-notes/id6746895453/reviews)** |
| Number of ratings | **419** | 11 |
| Positive reviews | 47.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 77 MB | 68 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [PTC Inc.](https://appshunter.io/developer/501201404) | [Nickolas Sawyer](https://appshunter.io/developer/1818928989) |

## What reviewers say

### Onshape 3D CAD

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

A cloud-based 3D CAD platform for professional users to create, edit, and collaborate on designs in real-time from any device. It offers robust parametric modeling tools and seamless data management for teams.

**Highlights:** Real-time collaboration, Parametric modeling tools, Cloud-based data management, Cross-device accessibility, Integrated commenting, Version control

**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


### Thoughtmarks

[App page](https://appshunter.io/ios/app/thoughtmarks-ai-voice-notes/id6746895453)

Capture ideas instantly with voice notes and AI-powered organization. This app helps you find forgotten thoughts through semantic search and smart filing. It's designed for busy minds to think better by organizing and rediscovering inspiration.

**Highlights:** Voice notes with automatic transcription, AI-powered titles, tags, and filing, Semantic search for easy recall, Smart bins for projects and topics, Offline-first architecture, Siri capture and Apple Watch integration

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thoughtmarks Basic | $5.00 | per month |
| All Access Weekly Subscription | $5.00 | per 7 days |
| All Access Monthly Subscription | $15.00 | per month |
| All Acccess Annual Subscription | $90.00 | per year |
| Thoughtmarks+ Pro AI Credit Pack | $10.00 | one-time |
| Thoughtmarks+ Power AI Credit Pack | $50.00 | one-time |


## Frequently asked questions

### Is Onshape 3D CAD free?

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

### Is Thoughtmarks free?

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

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

Thoughtmarks is rated higher. Onshape 3D CAD averages 3.5 out of 5 from 419 ratings, while Thoughtmarks averages 5.0 from 11 ratings.

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

Neither Onshape 3D CAD nor Thoughtmarks shows ads.

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

Onshape 3D CAD ships an update every 3 weeks, and Thoughtmarks every 3 weeks. Most recently, Onshape 3D CAD was updated on November 11, 2026 and Thoughtmarks on November 12, 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.*