Difference between Android 1.0 and Android 3.2.1

1. Android 1.0 :
Android 1.0 is the very first version of Android which was introduced by Google. It had some basic features including web browser support, camera support, Gmail counts, Google maps and Youtube application. Although it does not have the official version name like further introduces versions but unofficially it is called Apple Pie. The API level in Android 1.0 version is 1. It is not used anymore in the mobile devices. It was released on 23 September 2008.

2. Android 3.2.1 :
Android 3.2.1 is next version of Android after Android 3.2 which was introduced by Google. It had all the features of previous versions and some new features were also added in this version. New user features easier automatic updates and Google books updates were added in this version. WiFi improvement was also done in this version. No new developer feature was added in this version. Its version name is Honeycomb. The API level in Android 3.2.1 is 13. It was released on 20 September 2011.

Difference between Android 1.0 and Android 3.2.1 :

S.No.	ANDROID 1.0	ANDROID 3.2.1
1.	It is the first version of Android.	It is the next version of Android after Android 3.2.
2.	It is predecessor to Android 1.1.	It is predecessor to Android 3.2.2 and successor to Android 3.2.
3.	It was released on 23 September 2008.	It was released on 20 September 2011.
4.	The API level in Android 1.0 version is 1.	The API level in Android 3.2.1 version is 13.
5.	It did not have WiFi services.	WiFi services were improved in this version.
6.	It does not have official version name.	It has official version name like its other previous versions.
7.	It has unofficial version name ‘Apple Pie’.	It has official version name ‘Honeycomb’.
8.	It did not have Google books.	Updated Google books were added in this version.
9.	It had limited basic features like google maps, gmail, web browser, camera and youtube.	It had all features of previous versions and some new features were also added in this version.
10.	It did not have automatic updates.	Easier automatic updates were added in this version.