12 Free cloud storage services: who has the best price for money

Today's market has a large number of public cloud storage services, many services require customer registration. In return for registration, many vendors also offer free cloud storage capacity.

Using the 12 public cloud storage services listed in this article, you can theoretically get 112GB of free cloud storage capacity. But not all services are the same. Each service has its advantages and disadvantages, such as how much files can be uploaded? How much does it cost to extend the cloud storage space? What operating systems and mobile applications can be integrated? Of course, consider the security of each service.

Here are a list of the 12 free cloud storage service parameters for users to compare options.

Name: Amazon Cloud Pan (Cloud Drive)

Free cloud storage: 5GB

Scalable Storage: 20gb,10 USD/year, 50gb,25 USD/year, 100gb,50 USD/year, 200gb,100 USD/year, 1tb,500 USD/year. Cloud Music player: import 250 songs for free; import 250,000, 24.99 USD/year.

More information: Buy songs from Amazon and download them automatically in a free cloud. The service can also back up the contents of the Kindle tablet. Since its release in March 2011, the service has been repeatedly criticized for its access strategy, which states that Amazon has access to and use of files stored in the cloud.

Name: Apple icloud

Free cloud storage: 5GB

Scalable storage: 10GB (plus free 5GB altogether 15GB), 20 USD/year; 50gb,100 USD/year.

More information: Automatically sync files, photos, videos, and even web browsing tags between various Apple devices. The Windows icloud Control Panel is already available. Applications such as keynote, pages, and numbers are available for document management/synchronization. Apple also adds a minimum of 128-bit AES encryption for icloud.

Name: Box

Free cloud storage: 5GB

Scalable storage: Individual accounts, 25gb,9.99 USD/month, 50gb,19.99 USD/month. Small Business Account: 15 USD/Per user/month, 3~500 User, 1TB password protection sharing, access management and user authentication. Large Enterprise Accounts: Customer pricing, unlimited storage, customer licensing, group access control.

More information: Provides SSL AES 256-bit encryption after the firewall. For small businesses and large business accounts, files are automatically redundant after encryption. File size limit: Free account 100MB, paid personal account 1GB, Small Business Edition 2GB. box allows editing of documents through Third-party applications such as Zoho.

Name: Dropbox

Free cloud storage: 5GB

Scalable storage: "Pro" account from 100gb,9.99 USD/month or 99 USD/year, to 500gb,49.99 USD/month or 499 USD/year. "Teams" account, 5 users, 1tb,795 USD/year, increased by 125 U.S. dollars per additional 1 users.

More information: As one of the most famous public cloud storage services, the Dropbox Pro and teams versions all use SSL AES 256-bit encryption. When uploading from the desktop (Windows, OS x, and Linux), the file size is not limited, and the file size is limited to 300MB when uploading from the Dropbox web site. If you invite friends to register, you can also receive 500MB additional storage, with a ceiling of 16GB. Dropbox does not allow editing of stored documents directly.

Name: Google Cloud Disk

Free cloud storage: 5gb--Google Docs and files that can be converted to Google Docs do not have storage limits. There is 1GB of free photo video storage capacity in Picasa Web album applications, and No limit on photos and videos (up to 15 minutes) in Google +.

Scalable Storage: 25gb,2.49 USD/month, 100gb,4.99 USD/month, 200gb,9.99 USD/month, 1tb,49.99 USD/month, 16tb,799.99 USD/month.

More information: Google Cloud Disk allows users to store a large number of files in the cloud free of charge, if it is a file in Google documents, storage capacity does not set the upper limit. In many cases, simply copying files to Google Docs can be converted into this format. Google Cloud Disk also set up a number of file restrictions, such as the conversion of the file must not exceed 2MB, or not Google Docs file should not exceed 10MB. The spreadsheet file must not exceed 20MB, or 256 columns. Google Docs files can be edited, but Third-party applications can only edit non-Google document files, such as Microsoft Word files.

Name: Mediafire

Free cloud storage: 50GB

Scalable Storage: Pro version offers 250gb,4.5 USD/month, Enterprise Edition offers 1TB capacity, 49 USD/month.

More information: New ventures mediafire can provide oversized cloud storage, but only for Windows, OS x, and Linux desktop applications, and there are no mobile versions. With 1.5 dollars, users can get 50GB no ad storage capacity via Personal Edition. Pro Edition allows 500gb/monthly content distribution through 500 links per day, and Enterprise Edition allows 5,000 links per day for 4tb/month distribution. Free version of a single file size limit of 200MB, personal version of the 1gb,pro version of 4GB, Enterprise version 10GB.

Name: Microsoft SkyDrive

Free cloud storage: 7GB

Scalable Storage: 20gb,10 USD/year; 50gb,25 USD/year; 100gb,50 USD/year.

More information: Microsoft SkyDrive has a Windows 8-style interface to provide users with a large free initial storage capacity. For files uploaded through a Web browser, the limit size is 300MB and the desktop application is limited to 2GB. It also supports iOS, Android, and Windows Phone apps. It also has a so-called "forget" feature that allows a user to remotely extract a file on their PC that is not uploaded to the cloud.

Name: Mimedia

Free cloud storage: 7GB

Scalable Storage: 100gb,4.99 USD/month, 500gb,20 USD/month or 199 USD/year, 1tb,35 USD/month or 325 USD/year.

More information: Mimedia is one of the companies in the market that can offer a higher free cloud storage. It claims to be a backup warehouse dedicated to the media industry, offering a wide range of cloud access tools. For bulk uploads, the company can send an initial dump of a hard drive for you to upload information, and then send the hard drive back to the company for upload to the Mimedia cloud. During upload, files are encrypted, but files stored on the Mimedia server are not encrypted. Mimedia currently does not support Mac OS X. iOS and Android apps have been launched.

Name: SpiderOak

Free cloud storage: 2GB

Scalable storage: USD 10 per month or 100 USD per year can be increased by 100GB increments.

More information: SpiderOak claims to be a secure public cloud storage service. Put forward the so-called "0 knowledge" strategy, claiming that its program does not store the customer's password, all customer data in the transmission and static storage links do the encryption, the use of salt hash (salted hash) algorithm and 2048-bit RSA and 256-bit AES encryption combined. For a large number of developers, the company has also begun to open part of the code. SpiderOak provides versions of its cloud storage services for individuals, businesses, and partners/agents.

Name: SugarSync

Free cloud storage: 5GB

Scalable Storage: 30gb,4.99 USD/month or 49.99 USD/year, 60gb,9.99 USD/month or 99.99 USD/year, 500gb,39.99 USD/month or 399.99 USD/year. Corporate accounts provide 3 users 100GB storage, 29.99 USD/month or 299.99 USD/year.

More information: If you recommend someone else to sign up for the service, you can get a maximum of 32GB of free additional storage. SugarSync also unveiled mobile apps on iOS, Android, BlackBerry, Symbian and winmobile.

Name: Symform

Free cloud storage: Max 10GB

Scalable Storage: Symform is the largest free capacity available to date, but there is a reason for that. Its public cloud uses the free storage space donated by its users, which means that other customers ' encrypted data may also be stored on your system if you also donate to Symform cloud. The amount of storage that each user obtains is based on their contribution to the Symform public cloud network. For example, if you contribute 2TB storage, you can get 1TB of free storage. Symform common use cases are disaster recovery and backup. Customers can pay for storage capacity without having to donate more than their own amount of storage space. Symform encrypted files take 256-bit AES and then decompose the files into 64 pieces stored in the cloud, which are distributed throughout the Symform cloud network, so that no one user can access all the encrypted data of a customer.

Name: syncplicity

Free cloud storage: 2GB

Scalable Storage: Personal version 50gb,15 USD/month.

More information: Syncplicity for EMC's cloud services. The enterprise version containing centralized access control is the starting price of 45 USD/month, until unlimited storage. There is no file size or quantity limit. Both transport and static storage use AES 256-bit encryption.