Ruby on Rails · SaaS Development
Ruby on Rails remains one of the most productive frameworks for building SaaS applications, with an ecosystem purpose-built for multi-tenant software. Devise handles authentication with team invitations and SSO. Pundit manages authorization with policy objects. Apartment or...
ZTABS builds saas applications with Ruby on Rails — delivering production-grade solutions backed by 500+ projects and 10+ years of experience. Ruby on Rails remains one of the most productive frameworks for building SaaS applications, with an ecosystem purpose-built for multi-tenant software. Devise handles authentication with team invitations and SSO. Get a free consultation →
500+
Projects Delivered
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Years Experience
Ruby on Rails is a proven choice for saas applications. Our team has delivered hundreds of saas applications projects with Ruby on Rails, and the results speak for themselves.
Ruby on Rails remains one of the most productive frameworks for building SaaS applications, with an ecosystem purpose-built for multi-tenant software. Devise handles authentication with team invitations and SSO. Pundit manages authorization with policy objects. Apartment or ActsAsTenant handle multi-tenancy. Stripe integration (Pay gem) manages subscriptions, billing, and invoicing. Rails conventions eliminate boilerplate so teams ship features that differentiate the product rather than reinventing infrastructure. GitHub, Basecamp, Shopify, and HEY (email) are all Rails SaaS applications that serve millions of users.
Rails conventions eliminate decisions about folder structure, naming, database schema, and routing patterns. New developers contribute on day one by following established patterns.
Apartment gem provides database-per-tenant isolation. ActsAsTenant adds tenant scoping to shared databases. Both approaches integrate with zero changes to business logic code.
Pay gem wraps Stripe and Paddle with Rails-native interfaces. Subscriptions, trials, invoices, and webhooks integrate in a single afternoon.
Build real-time SaaS dashboards with Turbo Frames and Turbo Streams. Live updates, inline editing, and dynamic filters without React or Vue complexity.
Building saas applications with Ruby on Rails?
Our team has delivered hundreds of Ruby on Rails projects. Talk to a senior engineer today.
Schedule a CallSource: Gartner
Use ActsAsTenant for shared-database multi-tenancy in early-stage SaaS. It is simpler than Apartment (database-per-tenant) and sufficient until enterprise customers require strict data isolation.
Ruby on Rails has become the go-to choice for saas applications because it balances developer productivity with production performance. The ecosystem maturity means fewer custom solutions and faster time-to-market.
| Layer | Tool |
|---|---|
| Framework | Ruby on Rails 7 |
| Frontend | Hotwire (Turbo + Stimulus) |
| Auth | Devise + Pundit |
| Billing | Pay gem + Stripe |
| Background | Sidekiq + Redis |
| Database | PostgreSQL |
A Rails SaaS application uses Devise for user authentication with email confirmation, password reset, and two-factor authentication. Team management allows users to create organizations, invite members by email, and assign roles (owner, admin, member) with Pundit authorization policies. ActsAsTenant ensures every database query scopes to the current tenant — data isolation is automatic and impossible to bypass.
The Pay gem manages Stripe subscriptions with plan selection, free trials, billing portal access, and webhook processing. Usage metering tracks feature consumption (API calls, storage, team seats) against plan limits with automated upgrade prompts. Hotwire powers the SaaS dashboard — Turbo Frames load sections independently, Turbo Streams push real-time updates, and Stimulus handles interactive components.
Sidekiq processes background jobs — email delivery, data exports, scheduled reports, and webhook retries. Feature flags (Flipper gem) control rollout of new capabilities to specific tenants or plan tiers.
Our senior Ruby on Rails engineers have delivered 500+ projects. Get a free consultation with a technical architect.