Sia Storage
Sia Storage: A developer-focused storage service combining decentralized infrastructure with S3 compatibility. Ranked #47 of 64 in Cloud Storage Services by our editors (4.6/10); pricing: Free plan; best for developers seeking decentralized storage.
At a glance
- Editor score4.6 / 10
- PricingFree plan
- Best forDevelopers seeking decentralized storage
- Free planYes
- Paid from$7.99/mo
- Facts checked21 Sep 2026
Where it wins
- Client-side encryption keeps file keys under user control.
- Erasure-coded redundancy distributes data across independent providers.
- S3 compatibility, SDKs, and self-hosted indexer options support development workflows.
Where it doesn't
- Consumer file versioning is not included.
- The service is aimed at individuals and developers rather than business administration.
- Desktop, iOS, and Android access does not provide broad platform coverage.
Our verdict on Sia Storage
Sia Storage is a decentralized cloud storage service for individuals and developers who want encrypted storage with user-controlled keys. Files are encrypted on the user's device, distributed across independent storage providers, and accessed through hosted or self-hosted indexers. The service also provides mobile and desktop storage apps, plus an S3-compatible API for browser, mobile, desktop, and server applications.
Its plans cover a wide range of storage needs. The Free plan includes 50 GB, 3 apps, and 500 Mbps speed. Plus costs $7.99 per month for 500 GB, 3 apps, and 500 Mbps speed. Pro costs $14.99 per month and provides 5 TB, 5 apps, and 1 Gbps speed. Unlimited costs $19.99 per month for 10 TB, 100 apps, and 5 Gbps speed. This structure makes the free tier suitable for limited storage and the paid tiers clearer choices for larger personal or development workloads.
The strongest differentiator is its developer orientation. Parallel downloads from multiple hosts, erasure-coded redundancy, an S3-compatible API, and SDKs for Rust, Go, Python, Dart, and JavaScript give teams several ways to connect storage to applications. S3-compatible clients, Rclone, and Cyberduck extend compatibility. Sia Storage is a good choice for developers who value decentralized architecture and application-level control, but users who require consumer file versioning, business administration, or broader platform coverage should choose a different cloud storage service.
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Sia Storage pricing
All 4 Sia Storage plans and prices →
Sia Storage fact sheet
| Free plan | Yes |
|---|---|
| Paid from | $7.99/mo |
| Storage limit | 500 GB |
| File size limit | Not verified |
| File versioning | No |
| Zero-knowledge encryption | Yes |
| Device platforms | iOS, Android, desktop |
| Business admin controls | Not verified |
| Deployment | Cloud, Self-hosted, Desktop, Mobile |
| Platforms | Web, iOS, Android |
| Support | Community, Docs |
| Built for | Solo, Small business (editorial estimate) |
| Integrations | 3 integrations: S3-compatible clients, Rclone, Cyberduck |
| Pricing | Free plan (source) |
| Website | sia.storage |
| Facts checked | 21 Sep 2026 |
Sia Storage integrations
Sia Storage lists 3 integrations on its own site.
- S3-compatible clients
- Rclone
- Cyberduck
Alternatives to Sia Storage
- Microsoft OneDriveA flexible, low-cost cloud storage service with deep Microsoft 365 integration.9.2
- BoxA broad cloud storage platform for businesses that need content controls and workflow tools.9.1
- Google Cloud StorageScalable bucket storage with lifecycle controls, replication, and broad developer access.9.0
See all Sia Storage alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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