Frittata is Chicken Soup recipe?
Also the dearth of recipes on the free version leads to the conclusion that this is a loss leader into the paid version. Not a good recommendation.

Archived App
This is an archived listing of the app previously available on the App Store.Discover a collection of quick, easy, and delicious gluten-free recipes with beautiful photos and clear instructions. This app is perfect for anyone following a gluten-free diet, offering a variety of flavorful dishes to explore.
5
October 4, 2018
Bug fixes.
The free version of Gluten Free Recipe Book contains 70 quick, easy, and scrumptious gluten-free recipes. The PRO version offers over 200 recipes and is continually growing.
You can find a variety of gluten-free recipes including dishes like Gluten-free Chicken Francese, Ground Beef Chili, Chicken Parmesan, Meatloaf, Yorkshire Pudding, and French Toast.
Yes, whether you've just started following a gluten-free diet or have been eating gluten-free for years, you will find lots of new flavorful recipes to try in this app.
The provided data does not specify if this free version contains advertisements. However, it is a free version of a PRO app, which may indicate the presence of ads or an upsell to the paid version.
Gluten Free Recipe Book is available on iPhone, iPad, and iPod devices.
The app was last updated on October 4, 2018, with its latest version being 5. It was originally released on July 9, 2013.
Gluten Free Recipe Book has a rating of 3.3 stars based on 3 ratings.
While this free version doesn't explicitly mention a shopping list feature, the PRO version includes a notes page that can be used for creating personal notes or a shopping list.