What is the difference between Sync.com and Internxt?

Sync.com is best for Users wanting zero-knowledge encrypted storage, while Internxt is best for Privacy-focused users wanting encrypted, open-source storage. Sync.com starts at Free and Internxt starts at Free.

Is Sync.com or Internxt cheaper?

Sync.com starts at Free with a free tier. Internxt starts at Free with a free tier.

Is there a free alternative to Internxt?

Both Sync.com and Internxt offer free tiers.

Sync.com vs Internxt

Sync.com is privacy-focused cloud storage with zero-knowledge encryption and generous free tier, while Internxt is zero-knowledge encrypted cloud storage with open-source code and European data hosting. Internxt is open source and can be self-hosted, giving you full control over your data. Sync.com is built for users wanting zero-knowledge encrypted storage, whereas Internxt targets privacy-focused users wanting encrypted, open-source storage.

At a glance

	Sync.com	Internxt
Best for	Users wanting zero-knowledge encrypted storage	Privacy-focused users wanting encrypted, open-source storage
Starting price	Free	Free
Free tier	✓	✓
Open source	—	✓
Free tier available	✓	✓
Open source	—	✓
E2E Encryption	✓	—
File Sync	✓	—
Open Source	—	✓
Photo Backup	—	✓
S3 Compatible	—	✓
Sharing	✓	—
Zero Knowledge	✓	—
Zero-Knowledge	—	✓

Sync.com

Strengths

Includes Zero Knowledge as a core feature, purpose-built for file storage workflows
End-to-end encryption by default — messages are unreadable even to the server operator
5 GB free — generous enough for most small teams to get real work done
Established product with 15+ years on the market and a mature ecosystem

Weaknesses

Free plan exists but key features are locked behind the paid upgrade
Fewer built-in features means you may need additional tools to cover gaps
Syncing large folders can be slow and occasionally causes file conflicts
Limited team/admin features if your organization eventually scales up

Try Sync.com → Full review

Internxt

Strengths

Open source and transparent
Zero-knowledge architecture means nobody — not even the company — can access your data
Fully open-source — you can self-host, audit the code, and avoid vendor lock-in
10 GB free — generous enough for most small teams to get real work done

Weaknesses

Free plan exists but key features are locked behind the paid upgrade
Fewer built-in features means you may need additional tools to cover gaps
Syncing large folders can be slow and occasionally causes file conflicts
Community support can be slower than the dedicated support teams at commercial alternatives

Try Internxt → Full review

The bottom line

Pricing: Both tools offer free tiers, so you can test each before committing. Sync.com's free plan: 5 GB free. Internxt's free plan: 10 GB free.

Feature gaps: Sync.com offers E2E Encryption, File Sync and Sharing that Internxt lacks. Internxt brings Open Source, Photo Backup and S3 Compatible that Sync.com does not have.

Team fit: Both tools target individuals teams, so the decision hinges on features and workflow fit rather than scale.

Open source: Internxt is open source, meaning you can self-host, audit the code, and avoid vendor lock-in. Sync.com is proprietary — you are trusting the vendor with your data and uptime.

Where each tool shines: Sync.com's biggest strengths are: includes zero knowledge as a core feature, purpose-built for file storage workflows. end-to-end encryption by default — messages are unreadable even to the server operator. Internxt's biggest strengths are: open source and transparent. zero-knowledge architecture means nobody — not even the company — can access your data.

Watch out for: With Sync.com, users commonly note that free plan exists but key features are locked behind the paid upgrade. With Internxt, the main complaint is that free plan exists but key features are locked behind the paid upgrade.

Choose Sync.com if...

You need a tool built for users wanting zero-knowledge encrypted storage
You specifically need E2E Encryption and File Sync
You care about end-to-end encryption by default — messages are unreadable even to the server operator
The free tier works for you: 5 gb free

Choose Internxt if...

You need a tool built for privacy-focused users wanting encrypted, open-source storage
You need self-hosting, data sovereignty, or the ability to audit source code
You specifically need Open Source and Photo Backup
You care about zero-knowledge architecture means nobody — not even the company — can access your data
The free tier works for you: 10 gb free