The cloud application platform for the next decade

Graduate from stagnant infrastructure to automated delivery. Upsun provides the roadmap certainty and resource granularity that modern enterprises have outgrown on Heroku.

Why the modern enterprise is graduating to Upsun

Strategic roadmaps require a flexible foundation. As architectures evolve, Upsun provides the high-velocity, multicloud platform needed for the next decade of enterprise digital growth.

Roadmap certainty: An active development cycle committed to AI-native applications and automated governance.
Validated excellence: Recognized in the 2025 Gartner® Magic Quadrant™ for Cloud-Native Application Platforms.
Linear resource scaling: Eliminate "dyno" step-increases with granular vCPU and RAM allocation tailored to your actual workload.
Zero-risk migration: Access to "white-glove" application services and architecture mapping to ensure a seamless transition.


Strategy and roadmap	Active innovation	Operational stability
Resource scaling	Granular vCPU/RAM	Rigid "Dyno" tiers
Compute architecture	Architecture flexible (x86 or ARM)	Mandatory ARM (Graviton)
Multicloud	AWS, Azure, OVH, IBM, GCP	AWS only
AI Infrastructure	Native MCP server	Standard API access
Preview environments	Byte-for-byte clones	Intensive manual process
Sustainability	Green incentives	No active policies
Request timeout	Unlimited	Fixed 30-second limit
Data protection	Internal data protection	Premium add-on
DDoS protection	Internal protection	3rd-party add-on
Service restarts	On-demand control	Disruptive daily cycles
Cron jobs	Internal (no usage fee)	Add-on with usage fees
Edge performance	Managed Fastly CDN	Router 2.0 (No Edge Logic)
Runtimes and containers	Architecture Flexible	Mandatory ARM (Fir Gen)
Composable image	Internal (Nix-based)	Manual custom buildpacks
Observability	Integrated OTel and Blackfire	Standard OTel drains
Persistent storage	Internal storage included	3rd-party add-on required
HTTP/2 support	Fully supported (Edge)	Limited/beta support
Upsun's built-in reverse proxy cache	On-demand restarts	Disruptive automated restarts

Need more details? Check this post with a more technical overview.

Among Heroku alternatives, Upsun shines

Reliable uptime

No frustrating automatic restarts or request timeouts—Upsun maximizes your efficiency.

One platform does it all

Built-in DDoS protection, storage, cron jobs, and more, all in one easy-to-use platform.

Predictable pricing model

Avoid surprises with clear upfront costs, predictable pricing, and spending alerts.

Sustainable cloud services

With Upsun, it's easy to track and optimize your energy use for a greener future.

Migration is as easy as 3, 2, 1, 0!

Get a 3% discount when you deploy and manage applications at data centers in our incentive-eligible greener regions.

Create byte-for-byte clones of your production environment in under 2 minutes, making updates simple, safe, and straightforward.

One centralized PaaS handles ops, storage, security, previews, and more. Sign 1 contract, pay 1 bill, and let your developers focus on 1 thing: coding.

Zero effort, 0 commitment required upfront. Get started with our $0 free tier and experience the difference for yourself.

Anyone who has some level of knowledge about DevOps concepts and YAML syntax can get started with Upsun; it’s a fairly easy product for the amount of complexity it can handle. That’s the magic.

Lukas Kahwe Smith
CTO and Co-founder, Witty Works

Strategic transition,
zero disruption

Moving an enterprise estate requires a partner, not just a tool. We offer architecture mapping to modernize your setup, white-glove migration services for hands-on support, and 20-minute go/no-go audits for a factual assessment of your path forward.

Book an architecture mapping session