In addition to these qualifications, we checked for products that received over 100 reviews over the last two years. For this guide, we included options that offer a mobile app for at least one of the two platforms. Mobile apps: Dropbox offers both Android and iOS mobile apps.

For this guide, we considered options that have similar protocols to maintain security and privacy of user data. Dropbox also has measures in place to protect user privacy, as well as detect any suspicious account activity, phishing, and malware. Both of those are widely used security protocols. Security and privacy protocols: Dropbox uses 256-bit Advanced Encryption Standard (AES) to protect stored data, and Secure Sockets Layer (SSL)/Transport Layer Security (TLS) to protect data during transfer. For this list, we included products that offer at least 5GB of free storage.

Storage: While Dropbox Basic offers only 2GB of free storage, in our research we discovered that a lot of Dropbox competitors offer anywhere from 5GB to 15GB storage in their free plans.

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