Gravity is a battle-tested SaaS boilerplate with strong billing, auth, support, and AI-agent positioning. Codapult adds a broader module surface, plugin add-ons, and enterprise operations in a lower early-access package.
| Decision point | Codapult | Gravity |
|---|---|---|
| Best fit | Modular B2B SaaS with enterprise modules and product plugins. | Battle-tested SaaS starter with strong billing, auth, and support. |
| Auth and teams | Better-Auth/Kinde adapters, 2FA, passkeys, SAML SSO, SCIM, teams, and RBAC. | Email/password, magic links, social sign-ons, 2FA, flags, lockouts, orgs, roles. |
| Billing | Stripe/LemonSqueezy adapter plus seats, credits, add-ons, and multi-line checkout. | Stripe billing with free plans, trials, seats, and usage billing. |
| Infrastructure | Vercel, Docker, Terraform, Pulumi, Kubernetes Helm, CI/CD, jobs, and storage. | Next.js starter with database flexibility and AI-agent rules. |
| Extensions | Built-in AI infrastructure with optional CRM, Helpdesk, and Email Marketing plugins. | Core SaaS product foundation rather than a plugin marketplace. |
This comparison uses publicly documented product pages and pricing pages checked on May 27, 2026.