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Comparison with CodePen
| Feature |
RTCode.io |
CodePen |
| Real-time Sync |
✅ Instant 2-way I/O Sync |
❌ Slow (4s+) reloads |
| Reload-free Flow |
✅ No resets, preserved state |
❌ Reloads on most changes |
| Backend Support |
✅ Service/Edge Workers |
❌ |
| Deployment |
✅ 1-click, freely available |
❌ PRO plan required |
| Code Versions |
✅ Built-in, no configuration |
❌ |
| Remote Output |
✅ Work across real devices |
❌ Limited to browser preview |
| Edge Network |
✅ 300+ cities worldwide |
❌ |
| Framework Agnostic |
✅ Web Standards APIs |
⚠️ Encourages preprocessors |
| Single Sign-On |
✅ GitHub, Google, Facebook,
Microsoft, Apple |
⚠️ GitHub, Google, Facebook,
Email+Password |
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Comparison with Vercel
| Feature |
RTCode.io ←+→ RTEdge.net |
Vercel |
| Development |
✅ Real-time, in-browser IDE |
❌ Local development required |
| Real-time Sync |
✅ Instant 2-way I/O Sync |
❌ Requires deployment for preview |
| Edge Network |
✅ 300+ cities, multi-cloud |
🤏🏻 Fun-sized cloud: 18 regions only |
| Deployment Speed |
✅ Instant, from browser |
⚠️ Deployments to/from Git |
| Framework Agnostic |
✅ Web Standards APIs |
⚠️ Bound to Next.js, supports others |
| Backend Support |
✅ Edge/Service Workers |
✅ Serverless functions |
| Code Versions |
✅ Built-in, no configuration |
⚠️ Git-based, requires setup |
| Subdomains |
✅ .rt.ht; short and sweet |
⚠️ .vercel.app; long and boring |
| Custom Domains |
✅ Supported |
✅ Supported |
| Analytics |
🚧 RTEdge.net analytics |
✅ Built-in analytics |
| Single Sign-On |
✅ GitHub, Google, Facebook,
Microsoft, Apple |
⚠️ GitHub, GitLab, Bitbucket,
SAML, Email+Password |