diff --git a/APPSTORE.md b/APPSTORE.md
index 5e85e28a..3879fe38 100644
--- a/APPSTORE.md
+++ b/APPSTORE.md
@@ -4,7 +4,7 @@
 ⚠️ This README is generated, please do not update. To contribute, make changes to contents.json ⚠️ 
  https://github.com/dkhamsing/open-source-ios-apps -->
 
-List of **303** open-source apps published on the App Store (complete list [here](https://github.com/dkhamsing/open-source-ios-apps)).
+List of **304** open-source apps published on the App Store (complete list [here](https://github.com/dkhamsing/open-source-ios-apps)).
 
 
 
@@ -1996,6 +1996,9 @@ https://github.com/ReactiveX/RxSwift — [back to top](#readme)
   - [` App Store`](https://apps.apple.com/app/id1536864924) <a href='https://user-images.githubusercontent.com/14237/96915139-c171b980-145a-11eb-8ff5-191c6cba9f66.png'>`Screenshot 1`</a>  <a href='https://user-images.githubusercontent.com/14237/96915188-cdf61200-145a-11eb-99b8-d5ee109c2b5c.png'>`Screenshot 2`</a>  <a href='https://user-images.githubusercontent.com/14237/96915181-ccc4e500-145a-11eb-8627-781621ffc87a.png'>`Screenshot 3`</a>  <a href='https://user-images.githubusercontent.com/14237/96915186-cd5d7b80-145a-11eb-9be7-a233ce575081.png'>`Screenshot 4`</a> 
   -  `2021` 
   -  ☆`44` 
+- [Spiro](https://github.com/atrinh0/spiro): Animating spirograph generator, created on Swift Playgrounds 4
+  - [` App Store`](https://apps.apple.com/app/id1602980337) <a href='https://github.com/atrinh0/spiro/raw/main/images/demo.gif'>`Screenshot 1`</a> 
+  -  [`mit`](http://choosealicense.com/licenses/mit/) `swift` `playgrounds` 
 - [StackOv](https://github.com/surfstudio/StackOv): For Stack Overflow
   - [` App Store`](https://apps.apple.com/app/stackov/id1511838391) <a href='https://uploads-ssl.webflow.com/5eda13df55b72c9ccf1b6aef/5eda4288c8019d1cc6edc24e_preview2.png'>`Screenshot 1`</a> 
   -  `2021`  [`mit`](http://choosealicense.com/licenses/mit/) `swift` `swiftui` `ipad` `macos`