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Comparison

Dropbox vs Proton Drive

Compare the facts. Check the scope. Choose what fits.

Documented differences
1
Same documented value
2
Need more evidence
16
Cloud storage
Dropbox
52% Research progress
Proton AG
Proton Drive
50% Research progress
Change products Explore the evidence Share card (SVG) API

At a glance

Differences, not an overall ranking
Documented difference

Free storage allowance

Dropbox
2 GB
Proton Drive
5 GB
Compare scope and sources

Explore the evidence

Open a row for sources and plan limits
Which criteria should be shown?

Pricing

Entry price per month (USD)
Not yet verified on either side A gap in our research, never a no.
Free tier
Yes
Dropbox
Verified71% confidence Dropbox Basic is a free plan for one person with 2 GB storage and a maximum of three connected devices.
Yes
Proton Drive
Verified71% confidence Proton Drive is included with Proton Free. Storage allowance depends on the plan and on completion of the startup requirements.
Same value
Sources for this row
Dropbox:

Dropbox Basic is a free plan for one person with 2 GB storage and a maximum of three connected devices.

Dropbox Basic (Free account) - Dropbox (Primary documentation), retrieved 2026-10-03
Proton Drive:

Proton Drive is included with Proton Free. Storage allowance depends on the plan and on completion of the startup requirements.

How to set up Proton Drive | Proton (Primary documentation), retrieved 2026-10-03
Free trial length (days)
Not yet verified on either side A gap in our research, never a no.
Public list price
Not yet verified on either side A gap in our research, never a no.

Security and compliance

Audit log
Not yet verified on either side A gap in our research, never a no.
Data processing agreement offered
Not yet verified on either side A gap in our research, never a no.
EU data residency stated
Not yet verified on either side A gap in our research, never a no.
FedRAMP authorisation
Not yet verified on either side A gap in our research, never a no.
GDPR compliance stated
Not yet verified on either side A gap in our research, never a no.
HIPAA compliance stated
Not yet verified on either side A gap in our research, never a no.
ISO/IEC 27001
Not yet verified on either side A gap in our research, never a no.
PCI DSS stated
Not yet verified on either side A gap in our research, never a no.
SOC 2 Type II
Not yet verified on either side A gap in our research, never a no.

Platform and integration

Public API
Yes
Dropbox
Verified71% confidence Dropbox API v2 exposes HTTP endpoints for files, sharing and account operations. Business endpoints have separate permissions and account requirements.
Not yet verified
Proton Drive
Not yet verified
Needs more evidence
Sources for this row
Dropbox:

Dropbox API v2 exposes HTTP endpoints for files, sharing and account operations. Business endpoints have separate permissions and account requirements.

Overview | Dropbox API Documentation (Primary documentation), retrieved 2026-10-03
Free storage allowance (GB)
2 GB
Dropbox
Verified71% confidence Dropbox Basic includes 2 GB of storage for one person. This is the base allowance, excluding referrals or promotional storage.
5 GB
Proton Drive
Verified71% confidence Up to 5 GB on Proton Free after completing the required startup tasks. The support article states a default allowance of 2 GB before those tasks.
Different values
Sources for this row
Dropbox:

Dropbox Basic includes 2 GB of storage for one person. This is the base allowance, excluding referrals or promotional storage.

Dropbox Basic (Free account) - Dropbox (Primary documentation), retrieved 2026-10-03
Proton Drive:

Up to 5 GB on Proton Free after completing the required startup tasks. The support article states a default allowance of 2 GB before those tasks.

How to increase your storage space | Proton (Primary documentation), retrieved 2026-10-03
Mobile app (iOS or Android)
Yes
Dropbox
Verified71% confidence Dropbox documents mobile applications for iOS and Android. The Basic plan limits the number of connected devices.
Yes
Proton Drive
Verified71% confidence Proton Drive has Android and iOS applications. The guide distinguishes platform-specific upload actions, including folder upload on Android.
Same value
Sources for this row
Dropbox:

Dropbox documents mobile applications for iOS and Android. The Basic plan limits the number of connected devices.

Dropbox Basic (Free account) - Dropbox (Primary documentation), retrieved 2026-10-03
Proton Drive:

Proton Drive has Android and iOS applications. The guide distinguishes platform-specific upload actions, including folder upload on Android.

How to set up Proton Drive | Proton (Primary documentation), retrieved 2026-10-03
SCIM user provisioning
Not yet verified on either side A gap in our research, never a no.
Single sign-on
Not yet verified on either side A gap in our research, never a no.
Uptime commitment (%)
Not yet verified on either side A gap in our research, never a no.
A missing measurement never counts against a product. If we could not reach a document, that is a fact about our research and not about the vendor. Open a row to see the source, its tier and the day we read it.