Comparison

Onshape 3D CAD vs flat palette

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Onshape 3D CAD

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
Read full description

Onshape is a full mechanical CAD platform designed for professional users and extended teams. Create, edit, collaborate, and comment in real time with others from any computer or mobile device with an internet connection (free sign-up required). With Onshape’s secure cloud workspace teams can work together from anywhere on any device without the hassles of file management, IT overhead, and license key distribution, helping engineers focus more on doing their best work. Parametric CAD: • Design parts together in Part Studios with a full suite of parametric modeling tools • Create mechanical Assemblies to capture complex motion Ease of Access: • Create, edit, and view from any computer or mobile device (internet connection required) • Begin a project from one device and seamlessly continue from another Collaboration: • Instantly share your CAD data with your teams and partners. Monitor, change, and revoke permissions at any time • Work together with other users and view changes in real-time as they are made • Use Follow mode to see exactly what your teammate sees and add suggestions using Onshape’s built-in commenting tools Data Management: • Maintain a single source of truth for your data, no more sending around or checking in and out of files • Never worry about losing your work, all of your changes are saved automatically • Explore multiple design ideas in parallel and create professional release and approval processes for your designs Onshape for iOS also features Apple Pencil support for more intuitive sketching, navigation, and precise selection. Onshape proudly supports students and educators free of charge and is available free for non-commercial projects in an open-source public work space. Since Onshape is updated every few weeks with dozens of new features and user-requested enhancements, keep an eye out for update notifications from the Apple App Store.

About

flat palette

This app helps with creative activities by providing tools to manage color schemes. It allows adjustment of colors using RGB, CMYK, and HSB sliders, and can extract colors from images to generate palettes. Users can create custom color lists, name them, and export them as images.

Highlights
  • RGB/CMYK color adjustment
  • HSB color adjustment
  • Image color extraction
  • Custom color list creation
  • Color scheme generation
  • Hex color code input
Features
Read full description

Flat palette is a color manager application that combines convenient functions that can be used for color scheme ideas. Please use as a companion of creative activities by all means. ◯ rgb/cmyk: Adjust a color with the RGB or CMYK slider. ◯ hsb: Adjust a color with the HSB slider. ◯ image: Reading the image, extract the color of the center point, and create a color scheme of the image. ◯ color list: You can create an original color list, also add names to the colors in the list or output them as palette images. In addition to this, you can display triad color scheme, complementary colors, similar colors, or import a simple color list that has already been created. Of course, input by hex color code is also possible. For detailed usage, you can see it from the [ i ] button on the RGB slider screen. Enjoy!

Screenshots

Onshape 3D CAD4 screens
flat palette4 screens

Verdict

The call

The clearest difference is rating: flat palette at 5.0 against Onshape 3D CAD's 3.5. flat palette also leads on review sentiment (85% vs 47%) and iOS requirement (9.3 vs 18.0). Onshape 3D CAD's advantage is ratings volume (419 vs 4) and update cadence (every 3 weeks vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

flat palette 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 4, 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 85% of flat palette's.

UpkeepUpdate frequency

Onshape 3D CAD ships an update every 3 weeks, flat palette every 3 months. The most recent releases landed on November 11, 2026 and November 2, 2026 respectively.

Scorecard5 real differences · 5 level
Onshape 3D CAD versus flat palette: the parameters behind the verdict, then further details
ParameterOnshape 3D CADflat palette
PriceFreeFree
Rating3.5 (419 ratings)5.0 (4 ratings) — better
Positive reviews47.3% of reviews84.6% of reviews — better
Number of ratings419 — better4
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.09.3 — better
Further details — not scored
Size77 MB31 MB
Age rating4+4+
DeveloperPTC Inc.Tokyo Cartographic CO.,LTD.

Customer experience

Onshape 3D CAD

All ratings417 ratings
Positive61.4%
Neutral6.0%
Negative32.6%
Written reviews425 reviews
Positive47.3%
Neutral6.4%
Negative46.4%

flat palette

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews13 reviews
Positive84.6%
Neutral0.0%
Negative15.4%

Bugs and requests

Onshape 3D CAD

Reported bugs

5 issues
  • Frequent crashes and freezes
  • Dimensions not visible/editable
  • Rotation/view controls unreliable
  • Unable to create account
  • Incompatible with older devices

Requested features

5 requests
  • Add keyboard shortcuts
  • Improve dimensioning tools
  • Allow private file storage
  • Optimize for iPad/Apple Pencil
  • Provide better documentation/tutorials

flat palette

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Onshape 3D CAD

No in-app purchases

None

flat palette

No in-app purchases

Questions

Is Onshape 3D CAD free?
Onshape 3D CAD is free to download, with no in-app purchases.
Is flat palette free?
flat palette is free to download, with no in-app purchases.
Which has better reviews, Onshape 3D CAD or flat palette?
flat palette is rated higher. Onshape 3D CAD averages 3.5 out of 5 from 419 ratings, while flat palette averages 5.0 from 4 ratings.
Do Onshape 3D CAD or flat palette have ads?
Neither Onshape 3D CAD nor flat palette shows ads.
Which is updated more often, Onshape 3D CAD or flat palette?
Onshape 3D CAD ships an update every 3 weeks, and flat palette every 3 months. Most recently, Onshape 3D CAD was updated on November 11, 2026 and flat palette on November 2, 2026.

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