Popular cloud-based services like Dropbox, Box, or OneDrive usually use server-side encryption. This means that every data you store on their server is encrypted using a primary key that can be accessed by the server administrator.


Here the list of best secure cloud storage service to backup your data.


Pros: Business features including collaboration, References gives you extra storage

Cons: Free storage is only 2GB

Dropbox is a pioneer of cloud storage, Dropbox offers little free 2GB of storage, but this can be increased up to 16GB for free by connecting your Dropbox to social media and referring friends to join this service.

Dropbox Business subscriptions allow users to collaborate at work and give everyone unlimited space on a personal Dropbox account. There are also enhanced features for recovering and creating file versions, and add-ons for Gmail. The price of a business starts at around $ 12.50 per user per month, or you can try it for free with a 30-day trial.


  • 2GB free.
  • Dropbox Plus 1TB for $ 10 per month.
  • Dropbox Professional 2TB costs $ 19.99 per month; Dropbox Professional has several additional features.

2.Google Drive

Pros: Lots of free storage, integrated with Android devices

Cons: The web interface is not the best

Google Drive is the default choice for owners of Android devices because it’s integrated, but other platform users can appreciate generous free storage too. You can also save high-definition photos on your mobile with the Google Photos companion application, and make use of Google’s office suite (now known as G Suite).

The weakness of Google Drive is that the web interface is not very easy to use, even though Windows and Mac users can download desktop applications to drag and drop files quickly.

Price: 100GB for $1.99, 200GB for $2.99, and 2TB for $9.99 per month. The existing Google Drive plans include 1TB for $9.99 — those plans will be upgraded to 2TB at no extra cost.

3.Mega Cloud

Pros: An easy-to-use UI, very generous free offer

Cons: The sync client is open source

Mega Cloud provides a free edition with large storage, and a simple drag-and-drop interface, Mega based in New Zealand is one of the recommended cloud storage. Mega Cloud also provides a mobile application that allows you to upload files and photos, and synchronize clients with desktop computers.

Mega claims that all data stored in the cloud is encrypted on your device before reaching the company server. When the company has released the source code to the synchronization client, experts can check that there are no vulnerabilities.

Price: 50GB free. 200GB for $ 6 per month. 1 TB for $ 12 per month. 4TB for $ 23 per month. 8TB for $ 35 per month.


Pros: Supported by Microsoft and ideal for Windows users, Integrated directly into Windows, a File recovery feature

Cons: Free storage is only 5GB

OneDrive (previously called SkyDrive) is integrated into Windows 10 file explorer. You don’t need to download additional applications – So Windows 10 users will be comfortable and easy to use OneDrive.

The Microsoft Photos application can also use OneDrive to synchronize images on all your devices. There are applications for Android and iOS devices, and there is even one in the App Store for Mac users.

Price: 5GB free. 50 GB fot $1.99 per month, 1TB for $ 5 per month.

5. iCloud

Pros: Reasonable prices, tight integration with the Apple platform

Cons: Only 5GB of free storage

If you want to back up your iPhone to iCloud, you will need more than the free 5GB storage space that Apple gives you, but compared to competitors, the price of iCloud is very reasonable.

The Mac Finder application integrates iCloud Drive, where you can save whatever file you want. Documents created in iWork office suite are also saved to iCloud and can be synchronized on your device. Windows users can also synchronize their files with iCloud Drive using official clients, and access the iWork application on the iCloud website.

6.Box Cloud

Pros: Supported by many applications, business plans with advanced security

Cons: The limit for uploading free account files is 250MB

Website Box currently seems to be pushing its Business plan by clicking ‘sign up’ to take you to a price page where $ 17.3 per user can benefit from the option of continued collaboration and unlimited storage. But there is a free 10GB option too.

Because Box Cloud has been supported by several popular applications such as Google Docs and Office 365, client Box Sync is available from the Downloads page for Mac and Windows, plus there are also official Android clients.

Price: 10GB free. 100GB for around $ 5.8 per month.


NextCloud is not an online cloud storage provider itself but offers free software to download and install cloud storage services on your server. Using a server on your home network for cloud storage is much faster. You can also enable encryption and ensure that the information never leaves your home network, which is much safer.

If you don’t have a server or IT experience, you can even buy the configured NextCloud box from a website that is equipped with a 1TB hard drive and will work with a cheap Raspberry Pi board to keep your data synchronized.

Price: Free to install and use. Self-hosting so storage costs vary. NextCloud Box is $ 79.99 (around £ 60, around AU $ 100).


Pros: Tight security

Cons: Free offer is limited

SpiderOak is part of the new trend of cloud storage providers. The website claims that after installing the client, your data is encrypted before synchronizing. Unfortunately, SpiderOak has not released the source code to the public so people cannot confirm the truth.

SpiderOakOne clients are available for Windows, Mac and Linux as well as Android and iOS (though, both Android and iOS are read-only applications, which means you can only view files, and can’t upload or synchronize anything). You can also log in via the web interface but privacy lovers might choose not to disclose your password to SpiderOak employees.

Price: 21 day free trial. 150GB for $ 5 per month (around £ 3.75, AU $ 7). 400GB for $ 9 per month (around £ 7, AU $ 11.50). 2TB costs $ 12 per month (around £ 9, AU $ 15). 5TB for $ 25 per month (around £ 19, AU $ 33)


Pros: Various file sharing options, IDrive Express Services are useful in the event of a disaster

Cons: Only 5GB Free

IDrive offers continuous synchronization of your files, even those on network drives. The web interface supports sharing files via email, Facebook, and Twitter. One of IDrive’s features is that it won’t automatically delete files on the server if you delete files on your computer, so you won’t lose files due to incorrect deleting files.

IDrive also offers IDrive Express – a service where if you lose all your data, they will send you a physical hard drive, allowing quick recovery of all backed up files.

Price: 5GB free. Personal: 2 TB for $ 52 per year (around £ 40, AU $ 66). Business: 250 GB for $ 74.62 per year (around £ 56, AU $ 98)


Pros: Up to 20GB of free storage, neat privacy and security features

Cons: bandwidth limits apply

While some bandwidth limits apply, there seems to be no limit to the size of files that you can upload, so don’t hesitate to synchronize large media files with pCloud.

This service is available for all desktop and mobile platforms – users can also log in via the website. The company itself is registered in Switzerland which has strong privacy laws, and you can also pay a premium of $ 4.99 per month (around £ 3.75, AU $ 7) for pCloud Crypto to lock (and unlock) files individually with a password.

Price: Up to 20GB free (you start with 10GB and can improve it by referring people). 500GB costs $ 3.99 per month (around £ 3, AU $ 5). 2TB costs $ 7.99 per month (around £ 6, AU $ 10). A lifetime package is also available: 500GB for $ 175 (around 131 pounds, AU $ 230). 2TB for $ 350 (around £ 262, AU $ 460).