Relay.app
Smartling
| Feature | Relay.app | Smartling |
|---|---|---|
| Pricing | Free / from $16/mo | Contact sales |
| Free Plan | ✓ Yes | ✗ No |
| Rating | 4.3 / 5 | 4.3 / 5 |
| Best For | operations-teams, agencies, small-businesses, compliance-teams | enterprise-companies, saas-companies, global-marketing-teams, content-teams |
| Founded | 2021 | 2009 |
| Workflow Builder | ✓ | ✗ |
| Ai Steps | ✓ | ✗ |
| Human Approvals | ✓ | ✗ |
| Multiplayer Editing | ✓ | ✗ |
| Integrations | ✓ | ✗ |
| Conditional Logic | ✓ | ✗ |
| Neural Mt | ✗ | ✓ |
| Translation Memory | ✗ | ✓ |
| Visual Context | ✗ | ✓ |
| Quality Scores | ✗ | ✓ |
| Workflow Automation | ✗ | ✓ |
| Connector Integrations | ✗ | ✓ |
✓ Relay.app Pros
- Human-in-the-loop approvals
- AI steps built in
- Collaborative workflows
- Clean modern interface
✗ Relay.app Cons
- Fewer integrations than Zapier
- Newer platform
- Limited advanced logic
✓ Smartling Pros
- Hybrid human + AI translation
- Visual context for translators
- Excellent quality management
- Strong CMS and code integrations
✗ Smartling Cons
- Enterprise pricing (not transparent)
- Overkill for small projects
- Setup requires technical resources
The Verdict
Relay.app is built for operations teams and agencies, with a focus on workflow-builder and ai-steps. Smartling targets enterprise companies and saas companies and leads with neural-mt and translation-memory.
Smartling uses custom enterprise pricing, while Relay.app starts at $16/mo — a tangible advantage for teams with a fixed budget.
Relay.app has a free plan, which gives it a meaningful edge for individuals and small teams exploring their options. Smartling requires a paid subscription from day one.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.