head to head
Loops vs Userlist
Unified SaaS transactional plus lifecycle email versus account-level SaaS lifecycle automation.
Side by side
| Feature | Loops | Userlist |
|---|---|---|
| Tagline | Modern lifecycle and broadcast email for SaaS. | SaaS lifecycle email with account-level data. |
| Free tier | 1,000 contacts and 4,000 sends/mo on the Free plan | 14-day free trial, card required |
| Starts at | $49/mo for 5,000 contacts | Dynamic slider pricing; Basic includes 10,000 users and $10/mo per additional 1,000 users |
| Pricing model | subscriber-based | subscriber-based |
| API | Yes | Yes |
| SMTP | No | No |
| SDKs | node, python, go, ruby, php | None |
| Templates | rich | rich |
| React Email | Yes | No |
| Webhooks | Yes | Yes |
| Inbound | No | No |
| Multi-tenant | No | No |
| Idempotency | No | No |
| Dedicated IP | No | No |
| Deliverability | Strong and improving; engagement-driven sender reputation typical of marketing platforms with real human-curated content. | Lifecycle platform, not a standalone sender reputation product. Best suited to opt-in SaaS product and lifecycle mail with clear user and company data. |
| DX score | 9/10 | 8/10 |
| Best for | SaaS startups and indie product teams that want a single tool for transactional plus marketing. | SaaS teams that need lifecycle email tied to users, accounts, and product behavior. |
Loops
pros
- ›Single product for transactional plus lifecycle plus broadcast
- ›Visual editor that produces well-rendered output without messy HTML
- ›Audiences and event-based loops feel native to product use cases
- ›React Email support for code-driven templates when needed
- ›Genuine focus on SaaS as a category
cons
- ›No SMTP relay
- ›Subscriber-based pricing means cost scales with contact list, not email volume
- ›Younger company than SendGrid or Mailchimp
- ›Less suited to high-volume pure transactional flows
Userlist
pros
- ›Company accounts and account-level automation are first-class
- ›Marketing, lifecycle, transactional, and in-app messages share one data model
- ›Direct API integration and custom events are core features
- ›Early-stage startup discount is published for qualifying SaaS companies
cons
- ›No permanent free plan
- ›Public page does not expose a static base price without the pricing slider state
- ›Narrower fit outside SaaS products