Cheapest Custom Domain Link Shortener (2026 Comparison)
Using a custom branded domain (such as go.yourbrand.com/deal) rather than a generic shortener increases audience click confidence, prevents email spam triggers, and complies with mobile carrier 10DLC SMS guidelines. However, legacy players like Bitly paywall custom domain delegation behind steep $35/month tiers.
If you want the cheapest custom domain link shortener that includes automated Let's Encrypt SSL, fast HTTP 301 edge redirection, and click tracking without locking you into expensive multi-year contracts, this fact-checked 2026 guide breaks down the best options.
The Free & Budget Leader: UL0
UL0 is the lowest-cost solution for creators and businesses. It offers 1 custom domain completely free with automated SSL and edge 301 redirects. For growing agencies and teams managing multiple domains, Pro starts at just $2/month ($24/year). Check out the UL0 Custom Domain Overview or follow the CNAME Setup Guide.
Pricing & Limits Comparison Table
| Provider | Free Custom Domain? | Lowest Plan for Domains | Best Value Use Case |
|---|---|---|---|
| UL0 | Yes (1 Free Domain) | $0 / mo (Pro $2/mo) | Indie creators, small businesses, marketing agencies |
| Dub.co | Yes (3 Domains, limits apply) | $0 / mo (Pro $24/mo) | Developer teams needing advanced API routing |
| Rebrandly | Limited trial | $13 / mo (Essentials) | Marketing teams needing ad retargeting pixels |
| TinyURL | No (Paid Only) | $12.99 / mo ($9.99 annual) | Users wanting the traditional TinyURL brand name |
| Bitly | No (Paid Only) | $35 / mo ($29 annual Core) | Enterprises requiring legacy SOC 2 compliance |
In-Depth Platform Reviews
UL0
Free Custom Domain Tier & Lowest Pro Upgrades
UL0 provides full custom domain link shortening on its free tier with automated Let's Encrypt SSL, edge 301 redirects, and zero signup required for standard link creation. For power users managing multiple client brands, Pro starts at just $2/mo.
Strengths & Features
- 1 Custom domain included free
- Automatic Let's Encrypt SSL certificates
- HTTP 301 Permanent Redirects
- Free dynamic vector QR code generator
- Pro plan starts at just $2/mo for 3 domains
Constraints & Limits
- •Free tier custom domain limited to 1 domain
- •No enterprise SSO SAML (designed for indie creators & small teams)
Dub.co
Developer-First Modern Platform
Dub.co is a modern open-source link management engine with excellent developer APIs, analytics, and team workspaces. Their free tier includes 3 custom domains with 50k clicks/month, though high-volume pro features cost $24/month.
Strengths & Features
- Generous free tier (3 custom domains)
- High quality REST API and TypeScript SDK
- Advanced geo and device targeting
- Clean dashboard UX
Constraints & Limits
- •Pro plan starts at $24/mo
- •Click limits on free tier trigger upgrade prompts
- •Account registration strictly required
Bitly
Legacy Brand with Premium Enterprise Pricing
Bitly is the most recognized brand in link shortening. However, custom domain support is locked behind their Core plan at $35/month ($29/mo annual). Their free plan does not support custom domains and limits users to only 5 short links per month.
Strengths & Features
- Deep enterprise ecosystem & Salesforce integrations
- Long domain history and brand recognition
- SOC 2 compliance on Enterprise
Constraints & Limits
- •Custom domains require $35/mo Core plan
- •Free plan strictly capped at 5 links/month
- •Aggressive upgrade paywalls for basic features
TinyURL
Traditional URL Shortener with Pro Domain Addon
TinyURL has offered simple shortening since 2002. Basic shortening is free without an account, but connecting your own custom branded domain requires their TinyURL Pro plan starting at $12.99/month ($9.99/mo annual).
Strengths & Features
- Free basic link shortening without signup
- Historical name recognition
- Campaign tagging on paid plans
Constraints & Limits
- •Zero custom domains on free plan
- •Pro plan starts at $12.99/mo
- •Dated dashboard interface compared to modern tools
Rebrandly
Domain-Centric Marketing Platform
Rebrandly focuses heavily on branded short links. While historically generous, their current pricing structures require their Essentials tier at $13/month for custom domain usage beyond introductory limits.
Strengths & Features
- Multi-domain routing
- Retargeting pixels and tracking tags
- Extensive marketing team workflows
Constraints & Limits
- •Free plan has strict monthly click limits
- •Rapid price escalation for additional domains and users
- •Account signup mandatory
How to Get Started with a Free Custom Domain
Setting up a custom domain takes less than 3 minutes. You keep your domain registered at your current registrar (Cloudflare, Namecheap, GoDaddy, etc.) and simply add a CNAME record:
- Log in to your registrar and select your domain.
- Add a CNAME record for your subdomain (e.g., host
go) pointing tocname.ul0.site. - Visit your UL0 Domains Dashboard and click "Connect Domain".
- Our edge infrastructure verifies your DNS within minutes and automatically generates a free Let's Encrypt SSL certificate.
Written by Saket Kesar
Founder & Developer at UL0. Analyzing URL infrastructure economics, deliverability benchmarks, and developer tooling. Connect on GitHub.
