# Mio vs Onshape 3D CAD

The clearest difference is rating: Mio at 4.5 against Onshape 3D CAD's 3.5. Onshape 3D CAD's advantage is ratings volume (418 vs 75) and iOS requirement (18.0 vs 26.0). On price, review sentiment, update cadence and ads there is nothing between them.

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

Mio holds the better App Store score, 4.5 against 3.5. That said, the two scores are not equally well evidenced: Onshape 3D CAD has 418 ratings behind it against 75, so its average is the more settled of the two. Written reviews point the same way: 51% of Mio's written reviews are positive against 47% of Onshape 3D CAD's.

Mio ships an update monthly, Onshape 3D CAD every 3 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Mio | Onshape 3D CAD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (75 ratings)](https://appshunter.io/ios/app/mio-ask-mathstudio-with-ai/id884690417/reviews)** | [3.5 (418 ratings)](https://appshunter.io/ios/app/onshape-3d-cad/id923421284/reviews) |
| Number of ratings | 75 | **418** |
| Positive reviews | **51.1% of reviews** | 47.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 11 MB | 77 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pomegranate Apps LLC](https://appshunter.io/developer/293619496) | [PTC Inc.](https://appshunter.io/developer/501201404) |

## What reviewers say

### Mio

[App page](https://appshunter.io/ios/app/mio-ask-mathstudio-with-ai/id884690417)

This AI-powered assistant solves math problems, plots graphs, and answers general knowledge questions directly on your device. It can process image input for homework and offers offline capabilities for most functions, only connecting online for live data.

**Highlights:** AI math problem solving, Real-time graph plotting, Image input for homework, Offline knowledge assistant, Live data retrieval, General knowledge inquiries

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Mio free?

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

### Is Onshape 3D CAD free?

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

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

Mio is rated higher. Mio averages 4.5 out of 5 from 75 ratings, while Onshape 3D CAD averages 3.5 from 418 ratings.

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

Neither Mio nor Onshape 3D CAD shows ads.

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

Mio ships an update monthly, and Onshape 3D CAD every 3 weeks. Most recently, Mio was updated on November 1, 2026 and Onshape 3D CAD on November 5, 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.*