Side by side
Amazon S3 vs Obstor
Both stand on storage replication software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidAPIiPhone+4
Amazon S3 combines elastic object storage with versioning, replication, analytics integrations, and security controls. A Free Tier is available, but costs depend on usage and some archived objects carry minimum storage periods.
Visit Amazon S3 Free plan APILinuxMac+3
Obstor combines S3 compatibility with SFTP and multiple deployment options, and its open-source plan is listed as free. Production-oriented features such as versioning, object locking, and bucket replication require distributed deployment with erasure coding.
Visit ObstorThe facts
| Amazon S3 | Obstor | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | No | Not published |
| Runs on | Android, API, iPhone, Linux, Mac, Web, Windows | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 3 | 1 |
| Maker | Not published | Not published |
| Website | aws.amazon.com | obstor.net |
| On storage replication software | #1 of 24 | #4 of 24 |
Amazon S3: what it does well
- Storage capacity adjusts as objects change.
- Versioning preserves object versions.
- Replication can span AWS Regions.
- Supports SQL queries through Athena and Redshift Spectrum.
- Includes encryption and Block Public Access controls.
What to know first
- Usage charges vary across storage and other features.
- Some archive classes require 90- or 180-day storage.
- Early archive deletion incurs a prorated charge.
Obstor: what it does well
- Apache 2.0 license and self-hosted deployment.
- Works with S3 tools without code changes.
- SFTP uploads are stored as S3 objects.
- Configurable erasure coding protects against drive and node failures.
- Notifications support multiple brokers, databases, and webhooks.
What to know first
- Standalone servers are intended for development and evaluation.
- Some storage features require distributed deployment with erasure coding.
- Docker Compose example supports up to 16 services.
Alternatives to Amazon S3 Alternatives to Obstor The whole list