Development edition: limited to non-commercial development and testing use only. A limited number ofcloud OpenAPIcalls and up to 100 registered users are supported. This edition supports the basic SDK and multiple extension SDKs and UI BizBundles.
Official edition: This edition is dedicated to commercial use without the limit on the number of registered users. It supports basic SDKs, multiple extension SDKs, and all UI BizBundles. Custom domain names can be configured if your business is deployed outside mainland China.

2. The support for mandatory reminders varies between these editions:

Official edition:Mandatory reminders are not supported. The following mandatory reminders are removed from the official edition. The optimal user experience of your app developed based on the official edition can be ensured.
Development edition: Certain mandatory reminders are supported. This allows you to distinguish this edition from the official edition and avoid using the development edition in commercial scenarios. Optimal user experience can thus be ensured.

Mandatory reminders for iOS

Dialog box	Scenario	Content
	Remind you of the limit on the number of registered users every 48 hours.	This app is for testing only, but not for commercial use. If the number of registered users reaches the limit, new users cannot be registered.
	Remind you of SDK logs every 10 seconds.	This application is for testing only, but not for commercial use. If the number of registered users reaches the limit, new users cannot be registered.

Mandatory reminders for Android

Dialog box	Scenario	Content
	Remind you of the limit on the number of registered users every 48 hours.	This app is for testing only, but not for commercial use. If the number of registered users reaches the limit, new users cannot be registered.
	Remind you of SDK logs every 10 seconds.	This app is for testing only, but not for commercial use. If the number of registered users reaches the limit, new users cannot be registered.