# Onshape 3D CAD vs Lectrum

The clearest difference is update cadence: Onshape 3D CAD at every 3 weeks against Lectrum's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Onshape 3D CAD ships an update every 3 weeks, Lectrum every 2 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Onshape 3D CAD | Lectrum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (417 ratings)](https://appshunter.io/ios/app/onshape-3d-cad/id923421284/reviews)** | — |
| Number of ratings | **417** | — |
| Positive reviews | 47.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 77 MB | 19 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [PTC Inc.](https://appshunter.io/developer/501201404) | [Business Lion LLC](https://appshunter.io/developer/1884729068) |

## 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


### Lectrum

[App page](https://appshunter.io/ios/app/lectrum/id6803515077)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Onshape 3D CAD free?

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

### Is Lectrum free?

Lectrum is free to download, with no in-app purchases.

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

Neither Onshape 3D CAD nor Lectrum shows ads.

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

Onshape 3D CAD ships an update every 3 weeks, and Lectrum every 2 months. Most recently, Onshape 3D CAD was updated on November 1, 2026 and Lectrum on October 24, 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.*