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Subspace

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The dedicated network built for accelerating real-time applications globally.

Cloud & InfrastructureCDNDeveloper Tools
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Tracked since2026

The Bottom Line

Entry price

Free plan available, paid tiers above

Biggest pro

Significantly reduces latency, packet loss, and jitter for real-time applications.

Biggest con

Specific pricing details are not immediately transparent on the main pages.

TL;DR - Subspace

  • Dedicated global network for real-time application acceleration.
  • Optimizes WebRTC, SIP, and general internet traffic for low latency and high quality.
  • Provides built-in security, including always-on DDoS protection and automatic regionalization.
Pricing: Free plan available
Best for: Growing teams

What is Subspace?

Editorial review
Subspace offers a Network-as-a-Service platform designed to optimize and accelerate real-time applications for businesses and developers. It provides a global, dedicated fiber-optic network with over 100 Points of Presence (PoPs) to ensure low latency, high stability, and enhanced security for critical applications like voice and video communication, online gaming, fintech solutions, and transportation apps. The platform includes specialized products such as WebRTC-CDN for instant global WebRTC acceleration, SIPTeleport for improving VoIP call quality, and PacketAccelerator for no-code internet acceleration. Subspace aims to simplify the deployment and scaling of real-time applications by handling network complexities, offering automatic regionalization, and providing built-in security features like always-on DDoS protection. It's ideal for developers and companies whose applications demand consistent, high-performance, and secure real-time connectivity for their users worldwide.

Available on: Web

how we evaluateSourcesubspace.com ↗

Pros & Cons

Pros

  • Significantly reduces latency, packet loss, and jitter for real-time applications.
  • Enhances security with built-in, always-on DDoS protection and IP masking.
  • Simplifies global deployment and scaling with automatic regionalization and easy APIs.
  • Improves user experience for voice, video, and gaming applications.
  • Reduces operational overhead and technical debt for network management.

Cons

  • Specific pricing details are not immediately transparent on the main pages.
  • Requires integration with existing applications, though described as simple.
  • GlobalLoadBalancer is listed as 'Coming Soon', indicating some features are still in development.

Key Features

Dedicated global fiber-optic network with 100+ PoPsWebRTC-CDN for global WebRTC accelerationSIPTeleport for VoIP media quality improvementPacketAccelerator for no-code internet accelerationAI-driven anycast routing for automatic regionalizationAlways-on, inline DDoS protection with no added latencyAPIs for easy integration and network controlOptimized TCP & UDP traffic with smart routing

Pricing Plans

Free Trial

Pricing checked Sep 13, 2026

WebRTC-CDN

$0 / month (plus usage)

  • Managed WebRTC service
  • Stable, highly available, and secure network
  • Game developers and studios
  • Video/voice applications
  • In-app video experiences
  • Fintech & cryptocurrency apps

SIPTeleport

$0.0015 / min for voice & $0.015/min for video

  • Global SIP Proxy
  • Lowest latency voice and video calls
  • Voice and video applications
  • Fastest and most reliable connection
  • Reduce the need for SBCs

PacketAccelerator

$0 / month (plus usage)

  • Global IP Proxy
  • Latency improvements of up to 80%
  • Reduce jitter and packet loss by 99%
  • Eliminate DDoS without adding latency
  • Game developers and studios
  • Video applications
  • In-app video experiences
  • Fintech & cryptocurrency apps

RTPSpeed

$0 / month for plans and $0.40/GB for usage

  • Global RTP Proxy
  • Highest quality voice and video streaming
  • All media streaming applications
  • VoIP and telephony apps
  • Improvements in real-time app performance
Calculate your costView full pricing

Is Subspace worth the price?

85/100

Subspace's pricing model is generous, offering several core services like WebRTC-CDN, PacketAccelerator, and RTPSpeed with a $0/month base fee, shifting costs to usage.

This makes it highly accessible for initial adoption and scaling. SIPTeleport's per-minute pricing at $0.0015/min for voice and $0.015/min for video is competitive for high-volume real-time communication needs.

This model is best for businesses and developers focused on real-time applications requiring global low-latency and high-reliability networking.

Hidden Costs & Gotchas

Usage fees apply after $0/month base plans

Data transfer costs for RTPSpeed ($0.40/GB)

Potential for high per-minute costs with SIPTeleport at scale

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Best Subspace Alternatives

Top alternatives based on features, pricing, and user needs.

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Still deciding?

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Subspace FAQ

How does Subspace improve the performance of real-time applications?

Subspace utilizes a dedicated global fiber-optic network with over 100 Points of Presence (PoPs) to significantly reduce latency, packet loss, and jitter. This infrastructure is designed to accelerate critical applications such as voice and video communication, online gaming, and fintech solutions.

What kind of user or team benefits most from Subspace?

Subspace is best suited for developers and companies whose applications require consistent, high-performance, and secure real-time connectivity for users globally. It helps teams simplify the deployment and scaling of real-time applications by managing network complexities.

How does Subspace compare to BunnyCDN for content delivery?

Subspace is specifically engineered for accelerating real-time applications with features like WebRTC-CDN and SIPTeleport, focusing on low latency and stability for interactive experiences. BunnyCDN primarily focuses on general content delivery, while Subspace targets the unique demands of real-time data transfer.

Does Subspace include a free tier?

Yes, Subspace is available on a free tier, allowing users to get started with its services. Paid plans are offered for those requiring more usage and advanced features.

What are the main limitations to consider when adopting Subspace?

One limitation is that specific pricing details are not immediately transparent on the main pages, requiring further inquiry. Additionally, while integration is described as simple, it still requires connecting with existing applications, and some features like GlobalLoadBalancer are noted as 'Coming Soon'.

Can Subspace enhance security for real-time applications?

Yes, Subspace enhances security with built-in, always-on DDoS protection and IP masking capabilities. This helps protect critical applications from common network-based threats while maintaining performance.

How does Subspace simplify global deployment for developers?

Subspace simplifies global deployment by handling network complexities and offering automatic regionalization. It provides easy-to-use APIs, allowing developers to focus on their application logic rather than managing underlying network infrastructure.

Source: subspace.com

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