Ducky is a document-based app that helps you infer models from JSON.
- It can infer Swift, Kotlin, Dart, Go or Proto models.
- It provides many options for you to customize the model.

I think it will save you some time to build the model layer of your application.

If you have any questions or suggestions, please contact me.
- Twitter: @nixzhu
- Email:

What’s New

Version 0.17.1

Better engine.
Do you like Ducky? Rate or review it.

Ratings and Reviews

5.0 out of 5
8 Ratings

8 Ratings

R4z3rsPar4d0x ,

Great app, great developer

The app is great and does what it’s advertised to do. I can’t fault any of that. I suggested a new feature and the developer seemed nice, courteous and open to suggestions. This is the kind of thing you don’t get with every app. I hope for this app to expand, but this is a great foundation.

App Privacy

The developer, Hongxu Zhu, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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