# Onshape 3D CAD vs FDsidekick

The clearest difference is rating: FDsidekick at 5.0 against Onshape 3D CAD's 3.5. FDsidekick also leads on update cadence (every 5 days vs every 3 weeks). Onshape 3D CAD's advantage is ratings volume (419 vs 1) and iOS requirement (18.0 vs 26.0). 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.

FDsidekick 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 1, so its average is the more settled of the two.

Onshape 3D CAD ships an update every 3 weeks, FDsidekick every 5 days. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Onshape 3D CAD | FDsidekick |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (419 ratings)](https://appshunter.io/ios/app/onshape-3d-cad/id923421284/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fdsidekick/id6795324398/reviews)** |
| Number of ratings | **419** | 1 |
| Positive reviews | 47.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | Free |
| Size | 77 MB | 1 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PTC Inc.](https://appshunter.io/developer/501201404) | [Erik Patrinostro](https://appshunter.io/developer/1616290144) |

## 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


### FDsidekick

[App page](https://appshunter.io/ios/app/fdsidekick/id6795324398)

This app offers quick access to preflight and inflight notes and utilities. It includes features for customizing notecards, viewing imported PDFs, and a specialized aviation calculator. You can also create PA scripts and jot down notes with stylus support.

**Highlights:** Customizable Notecard with Autofill, PDF Reference Viewer, Aviation Calculator, PA Script Creator, Touch/Stylus Notepad

**Features:** macOS Compatibility, 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 FDsidekick free?

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

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

FDsidekick is rated higher. Onshape 3D CAD averages 3.5 out of 5 from 419 ratings, while FDsidekick averages 5.0 from 1 ratings.

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

Neither Onshape 3D CAD nor FDsidekick shows ads.

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

Onshape 3D CAD ships an update every 3 weeks, and FDsidekick every 5 days. Most recently, Onshape 3D CAD was updated on November 11, 2026 and FDsidekick on October 31, 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.*