Head-to-head · Cloud Storage Services
Microsoft OneDrive vs Amazon S3
Microsoft OneDrive leads on 1 check, Amazon S3 on 0, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreMicrosoft OneDrive · 9.2/10
- Free planonly Microsoft OneDrive
- Most featuresMicrosoft OneDrive · 2 of 3
Microsoft OneDrive scores higher on our rubric for cloud storage services: 9.2 against 8.9 out of 10; our editors rank them #1 and #5.
Microsoft OneDrive offers free plan; Amazon S3 doesn't.
Microsoft OneDrive is the better fit for microsoft 365 users and low-cost storage. Amazon S3 is the better fit for developers and applications needing object storage.
- Microsoft OneDrive fits best
Microsoft 365 users and low-cost storage
- Amazon S3 fits best
Developers and applications needing object storage
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Side by side
| Feature | Microsoft OneDrive 9.2/10 Visit ↗ | Amazon S3 8.9/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.2 | 8.9 |
| Ranking | #1 in Cloud Storage Services | #5 in Cloud Storage Services |
| Best for | Microsoft 365 users and low-cost storage | Developers and applications needing object storage |
| Pricing model | Free plan + paid | Paid |
| Starting price | — | From $0.02/mo |
| Free plan | ✓ (best) | — |
| Free trial | — | — |
| Deployment | Cloud, Desktop, Mobile | Cloud |
| Platforms | Web, Windows, macOS, iOS, Android | Web |
| Integrations | 5 integrations | 8 integrations |
| Features Microsoft OneDrive 2/3 · Amazon S3 0/3 | ||
| File versioning | ✓ (best) | Not checked yet |
| Zero-knowledge encryption | Not checked yet | Not checked yet |
| Business admin controls | ✓ (best) | Not checked yet |
| Specs | ||
| Storage limit | 100 GB | Not checked yet |
| File size limit | 250 GB | Not checked yet |
| Device platforms | Windows, macOS, iOS, Android | Not checked yet |
| Our review | ||
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| Our verdict | Microsoft OneDrive is a cloud storage service for individuals, families, and organizations that need to back up, access, edit, share, and synchronize files across devices. It supports web, Windows, macOS, iOS, and Android, with real-time… Read the review → |
Amazon S3 is a cloud object storage service for organizing, protecting, and retrieving data in buckets. It is suited to developers and applications that need storage for data lakes, backups, archives, analytics, content delivery, or… Read the review → |
Strengths and trade-offs
Microsoft OneDrive — where it wins
- Free plan plus $1.99 monthly entry tier
- Syncs across web, Windows, macOS, iOS, and Android
- Supports 250 GB files, version history, and recovery
Where it doesn't
- The free plan includes only 5 GB of storage
- Ransomware protection depends on eligible subscriptions
- It does not provide zero-knowledge encryption
Amazon S3 — where it wins
- Lifecycle rules, versioning, retention controls, and replication
- REST API, SDK, CLI, and web console access
- Integrations across Lambda, Athena, CloudFront, and AWS tools
Where it doesn't
- Paid-only service with usage-based billing
- Pricing varies by region, storage class, requests, and data transfer
- Access is centered on web and API-based workflows
- Microsoft OneDrive9.2/10 · Free plan
A flexible, low-cost cloud storage service with deep Microsoft 365 integration.
Visit OneDriveFull verdict → - Amazon S38.9/10 · From $0.02/mo
A deep object-storage service for applications, analytics, backups, and archives.
Visit Amazon S3Full verdict →
More comparisons
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- Microsoft OneDrive vs Zoho WorkDrive
- Box vs Amazon S3
- Google Drive vs Amazon S3
All cloud storage services comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update







