1. iCloud :
iCloud is a cloud storage and cloud computing service provided by Apple Incorporation. It allows users to store data such as documents, photos and music on remote servers for download to iOS, macOS or Windows devices. It also enables to share and send data to other users. It is also helpful to manage the Apple devices if it is lost or stolen. It was launched in 2011.
2. Amazon S3 :
Amazon S3 stands for Amazon Simple Storage Service. It is a cloud storage service which is provided by Amazon Web Services. It provides object storage through a web service interface. It allows to store any type of objects like data lakes for analytics, data archives, backup and recovery, disaster recovery, hybrid cloud storage and internet applications. It was launched by AWS in 2006.
Difference between iCloud and Amazon S3 :
|It is owned by Apple Incorporation.||It is owned by Amazon.|
|It was launched in 2011.||It was launched in 2006.|
|It offers 5 GB free storage space.||It does not offer free storage space.|
|It was developed by Apple.||It was developed by Amazon Web Services (AWS).|
|OneDrive is mostly used by professionals.||It is used for both professional and personal works.|
|It is mostly used by Apple device users.||It is used by users using any internet devices.|
|It has the maximum storage size of 2 TB.||It has the unlimited maximum storage size for paid users.|
|It does not support remote uploading.||It also does not support remote uploading.|
|Maximum file size in iCloud is 50 GB.||Here maximum file size is 5 GB.|
|It supports file versioning but partially.||It fully supports file versioning.|
|It does not require credit-card for free services.||It requires credit-card details for free trial.|