LimeSurvey PRO vs LimeSurvey CE/13/en

From LimeSurvey Manual

LimeSurvey Cloud vs LimeSurvey CE
LimeSurvey Cloud LimeSurvey CE
Hosting is provided by LimeSurvey. The installation process should take no longer than 5 minutes. Self-hosted.
You can choose one of the four types of plans: FREE, BASIC, EXPERT and ENTERPRISE. You may either use the free version or pick one of the three premium plans. The premium plans contain the ComfortUpdate feature, access to older versions and a multitude of design templates.
Always uses the latest stable version of LimeSurvey. You get access not only to the latest releases, but also to the older ones. You choose which to use.
Technical support included for the paid plans. Technical ComfortUpdate support included for the premium plans.
Contains all the features that make LimeSurvey great. Contains all the features that make LimeSurvey great.
LimeSurvey Cloud comes with response and storage usage reminders due to the fact that these are limited on the free plan. LimeSurvey CE does not have response and storage usage reminders. Limitations are due to the amount of space allocated from the personal server to the LimeSurvey-related tasks.
No direct server access. Third-party plugins/extensions can be added to your LimeSurvey instance by us on request. If you own your server, you can access your LimeSurvey installation. You can start tweaking it and make further enhancements by adding additional extensions/add-ons.
The instance is automatically updated by us for minor versions. You decide on the point in time for major versions. The ComfortUpdate tool is used to update the LimeSurvey installation. The update can also be done manually.
Server and installation configuration is handled by us, saving you valuable time. Ideal for hands-on people with technical knowledge. The LimeSurvey manual Is a great place to start learning.
Reliable response inflow due to a self-renewing subscription system. The only limitation is related to your server and its configuration.
More flexibility - You have 3 days until the date of renewal to cancel your subscription! The software is hosted on your server. There are no links between the activity performed by you with the help of the LimeSurvey software and LimeSurvey GmbH.