I apologize for not answering in my first reply. I though speaking in person about the concerns you have would be much more appropriate. Still, as mentioned before, a sales representative will contact you. Please check you e-mail address on that matter: ma***@****rk.com.
Here are the answers of your questions:
1. Will Telerik app builder site be down regularly for maintenance purpose?
We stop Telerik AppBuilder for maintenance very rarely. Even when we release new updates, we have procedure that keeps our system functioning. For more information, you can check our status page.
2. If yes,what will happen to our production environment which will be used by our customer?
If AppBuilder is down, this shouldn't affect your production environment as AppBuilder is only the integrated development environment and has nothing to do with the availability of different marketplaces or stores on which your applications will be deployed. However, if certain features of AppBuilder are not functioning as expected, it is possible that your development is put on hold for the time being.
3. Do our mobile app also be shut down at that time?
4. What are the unique features of telerik app builder?
Here are just some of them:
- The same IDE for developing both hybrid (Cordova) and native (NativeScript) applications.
- A browser version that runs no matter the type of your development machine. There are also other clients according to your needs: Visual Studio Extension, Windows client and a Command Line Interface.
- AppBuilder provides built-in simulators, that mimic all of the supported mobile platforms and devices.
- AppBuilder relies on cloud builds, which allows you to build iOS application packages without having a Mac.
- AppBuilder allows deploying on devices without configuring code signing for your projects, via the AppBuilder Companion apps.
- AppBuilder includes an out of the box publishing feature that allows you to submit applications directly to the app stores or AppManager.
5. What are the extra features will be added for licensed version?
You can check the detailed comparison on this page for a precise answer about Telerik Platform and this one about solo AppBuilder purchases.
6. Do we need to purchase any other licenses to publish the app into ios ,android ,windows app stores (such as Apple Developer Program) ?
Yes, you will require such for submitting your applications across the different app stores. For iOS you will even need such for simply building the project as an application package.
7. What are the list of Mobile OS supported by telerik app builder for cross platform development?
iOS, Android and Windows Phone. Currently we are in research for providing support for the upcoming versions of the three (Android M, iOS 9 and Windows 10 Mobile).
8. Will telerik app builder supports all versions of major mobile OS (such as
iPhone OS 1.x - latest version,android 1.X to latest version)?
No, currently you can build apps targeting iOS 5 and above, Android 2.3.3 and above and Windows Phone 8 and above. For more details, please check this link.
9. what are the source control can be used with telerik app builder?
All of the git based providers are supported in AppBuilder. There is even out of the box support for GitHub.
10. How to use and what are the benefits of Telerik app builder version control?
Please, check this article for a complete answer.
11. Is Device cloud for mobile testing come along with telerik app builder license?
Device cloud is not included in the Telerik AppBuilder licenses. However, you will find this feature in many of the Telerik Platform licenses, as shown here.
12. If we don’t want to publish the mobile app in common app store how to securely distribute the mobile app through telerik platform services such asTelerik App Manager?
Publishing in AppManager is very easy from AppBuilder and the security is guaranteed. I would recommend you checking this page for more details on what the exact publish process is.
13. Will performance of mobile app be affected if we use telerik for cross platform mobile development?If not how performance will be matched up with native apps?
I hope this helps.