fii.one vs Tresorit: Swiss-Grade Security vs Modern Cloud Storage — 2026 Comparison
Tresorit vs fii.one: Both offer end-to-end encryption but Tresorit is enterprise-focused with Swiss servers and formal certifications. fii.one offers unlimited storage at $4.99/month.
TL;DR Summary
Tresorit is a Swiss-based, enterprise-grade E2E encrypted storage with SOC 2 and ISO 27001 certifications, starting at $10.83/month for 1TB. fii.one offers unlimited storage at $4.99/month with E2E encryption. Tresorit wins for regulated industries needing formal certifications; fii.one wins for cost-effective secure storage.
Feature Comparison at a Glance
| Feature | fii.one | Tresorit |
|---|---|---|
| Free Storage | 5GB | None (paid only) |
| Paid Storage | Unlimited ($4.99/mo) | 1TB ($10.83/mo), 3TB ($20.83/mo) |
| Max File Size | 2GB | 20GB |
| Encryption | End-to-end | End-to-end (Swiss E2E) |
| Server Location | Global CDN | Switzerland (GDPR compliant) |
| Certifications | Standard | SOC 2, ISO 27001, GDPR |
| Team Management | Basic | Advanced admin controls |
| Compliance | Basic | HIPAA, FINMA, Swiss banking |
| Data Residency | CDN (multi-region) | Switzerland only |
| Free Trial | Free tier | 14 days |
Pros & Cons
fii.one Pros
- Unlimited storage at $4.99/month — significantly cheaper
- Free tier available — try before you buy
- Global CDN for fast delivery worldwide
- Modern platform with active development
- Simple pricing — no per-user complexity
- Better for individual users and small teams
fii.one Cons
- No formal compliance certifications (SOC 2, HIPAA)
- Smaller max file size (2GB vs 20GB)
- No Swiss data residency option
- No advanced team admin controls
- No free trial (has free tier instead)
Tresorit Pros
- Swiss-based servers — one of the strongest data privacy laws globally
- SOC 2 and ISO 27001 certified — enterprise compliance
- HIPAA and FINMA compliance — suitable for healthcare and banking
- 20GB max file size — best for very large files
- Advanced team management with audit logs
- Zero-knowledge architecture — even Tresorit cannot access files
Tresorit Cons
- No free plan — starts at $10.83/month
- Expensive — 2x the cost of fii.one for less storage
- No free tier — paid only with 14-day trial
- Limited bandwidth on lower plans
- Slow customer support on lower tiers
Who Should Use Which?
Choose fii.one if you need:
- ›Cost-effective secure storage
- ›Unlimited storage
- ›Free tier to start
- ›Fast global delivery
- ›Modern platform
Choose Tresorit if you need:
- ›Swiss data residency
- ›HIPAA/FINMA compliance
- ›SOC 2 / ISO 27001 certification
- ›Very large files (20GB+)
- ›Enterprise audit logs
- Unlimited storage
- Password-protected sharing
- AI semantic search
- File timeline view
- End-to-end encryption
- P2P real-time transfer
- REST API access
- 2TB storage only
- Desktop sync
- Password sharing (Plus+)
- AI search = add-on cost
- No E2E encryption
- No P2P transfer
- No file timeline
Switching from Tresorit to fii.one
- 1Download all files from Tresorit (use Tresorit web app or desktop client)
- 2Create a fii.one account (free tier available)
- 3Upload files to fii.one via web or API
- 4Set up team sharing with password-protected links
- 5Export admin reports from Tresorit for compliance records
Frequently Asked Questions
Is Tresorit really more secure than fii.one?▼
Both use end-to-end encryption. Tresorit has formal certifications (SOC 2, ISO 27001) and Swiss-based servers with stronger privacy laws. fii.one also uses E2E encryption but lacks formal enterprise certifications. For most users, fii.one's encryption is equally secure.
Can I use Tresorit for free?▼
No, Tresorit has no free plan. They offer a 14-day free trial. fii.one has a free tier with 5GB storage permanently.
What's the max file size on Tresorit?▼
Tresorit supports up to 20GB per file — the largest of any cloud storage service. fii.one supports up to 2GB per file.
Is Tresorit worth the high price?▼
For enterprises in regulated industries (healthcare, banking, legal) that need SOC 2 or HIPAA compliance, Tresorit's price is justified. For individuals and small teams, fii.one's $4.99 unlimited plan offers better value.
Can I get HIPAA compliance with fii.one?▼
Not currently. fii.one uses E2E encryption but does not have formal HIPAA certification. Healthcare organizations should use Tresorit or Box for HIPAA-compliant storage.
Where are Tresorit's servers located?▼
Tresorit's servers are located exclusively in Switzerland, which has some of the world's strongest data privacy laws. fii.one uses a global CDN for performance.
Does Tresorit have an API?▼
Tresorit has a limited API primarily for enterprise integrations. fii.one's REST API is more developer-friendly and supports more automation use cases.
Which is better for law firms?▼
Tresorit is better for law firms that need formal compliance certifications (SOC 2, HIPAA) and Swiss data residency. fii.one is suitable for law firms that prioritize cost and modern features over formal certifications.
Final Verdict: fii.one vs Tresorit
If you're looking for the most cost-effective cloud storage with unlimited space, AI-powered search, and privacy-first encryption — fii.one is the clear winner at $4.99/month. Tresoritat $11.99/month gives you desktop sync and 2TB, but you're paying 140% more for a storage cap and no E2E encryption.
The only reason to choose Tresorit over fii.one in 2026: you critically depend on desktop sync or enterprise team collaboration features built into Dropbox Business.
Try fii.one Free — Switch from Tresorit Today