# Onshape 3D CAD vs Smart 145

The clearest difference is rating: Smart 145 at 5.0 against Onshape 3D CAD's 3.5. Smart 145 also leads on update cadence (every 9 days vs every 3 weeks) and iOS requirement (16.4 vs 18.0). Onshape 3D CAD's advantage is ratings volume (418 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Smart 145 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 418 ratings behind it against 1, so its average is the more settled of the two.

Onshape 3D CAD ships an update every 3 weeks, Smart 145 every 9 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Onshape 3D CAD | Smart 145 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (418 ratings)](https://appshunter.io/ios/app/onshape-3d-cad/id923421284/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smart-145/id1568004457/reviews)** |
| Number of ratings | **418** | 1 |
| Positive reviews | 47.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free | Free |
| Size | 77 MB | 58 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PTC Inc.](https://appshunter.io/developer/501201404) | [Smart 145](https://appshunter.io/developer/1568004459) |

## 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


### Smart 145

[App page](https://appshunter.io/ios/app/smart-145/id1568004457)

This cloud-based aviation MRO software helps repair shops and suppliers analyze data for smarter business decisions. It offers alerts, projections, and KPIs with a user-friendly interface requiring no prior industry experience.

**Highlights:** Cloud-based accessibility, Data analysis for insights, Alerts and projections, Key Performance Indicators (KPIs), User-friendly interface, Zero industry experience required

**Features:** macOS Compatibility

**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 Smart 145 free?

Smart 145 is free to download, with no in-app purchases.

### Which has better reviews, Onshape 3D CAD or Smart 145?

Smart 145 is rated higher. Onshape 3D CAD averages 3.5 out of 5 from 418 ratings, while Smart 145 averages 5.0 from 1 ratings.

### Do Onshape 3D CAD or Smart 145 have ads?

Neither Onshape 3D CAD nor Smart 145 shows ads.

### Which is updated more often, Onshape 3D CAD or Smart 145?

Onshape 3D CAD ships an update every 3 weeks, and Smart 145 every 9 days. Most recently, Onshape 3D CAD was updated on November 7, 2026 and Smart 145 on November 3, 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.*