Loops vs Unify in 2026: existing-user product email vs prompt-driven AI outbound prospecting
Loops keeps four ideas, contacts, properties, events, and event properties, simple enough to run onboarding email without a marketing ops hire. Unify replaces an entire prospecting stack with a chat prompt backed by a 1.1B-person database. Different funnels entirely.
Loops
Unify- Unify searches a 1.1B+ person, 65M+ company database from natural-language prompts to find new prospects; Loops has no prospecting feature, its contacts already opted in by signing up.
- Loops handles transactional email like password resets in the same account as marketing email; Unify's own feature list has no transactional email capability, since it is a prospecting and outreach tool.
- Both platforms offer a genuinely usable free tier: Loops for up to 1,000 subscribers, Unify for up to 3 seats with 100 credits per seat per month.
- Unify tracks 40+ signal sources including job changes and funding events to trigger outreach; Loops' automations trigger from your own product events like signup and trial start.
- Loops charges by subscribed contact count with no per-seat fee; Unify charges per seat, from $20/month on Base to custom annual pricing on Business.
- Unify customers report 57% more replies from AI-personalized cold email, a figure specific to outbound prospecting that has no equivalent metric in Loops' own lifecycle-email data.
- Loops includes an MCP server for AI-agent workflows; Unify's own architecture is itself a chat-based AI agent interface for prospecting rather than an MCP-exposed platform.
Loops and Unify both lean on AI and both offer real free tiers, but they automate opposite ends of a company's growth motion. Loops triggers marketing, lifecycle, and transactional email from real product events for users who already signed up, priced by contact count with no per-seat fee. Unify replaces the entire prospecting workflow, database search, enrichment, personalized copy, with a single chat prompt backed by a 1.1B-person, 65M-company database and 40+ intent signal sources, priced per seat starting free. Both are legitimately well-built for what they do; neither touches the other's job.
The tools at a glance
Loops
Unified email platform for SaaS teams covering marketing, product, and transactional email from a single simple interface
Loops reduces marketing automation to four concepts, contacts, contact properties, events, and event properties, a model designed to mirror real SaaS product triggers directly: signup, trial start, payment, feature activation. The API follows the same logic, with SDKs for Node, Next.js, Ruby, PHP, and NuxtJS for fast developer integration.
Marketing campaigns, lifecycle sequences, and transactional sends like password resets run from one account, priced by subscribed contact count with no per-seat fee. The free plan covers up to 1,000 subscribers and 4,000 sends a month, and companies like Framer, Linear, and Perplexity run their product email through it.
Loops has no prospecting capability whatsoever, no database, no signal tracking, no AI agent that finds new contacts. Every recipient in the system arrived because they signed up for the connected product, which is the opposite starting point from Unify's entire premise.
| Feature | Free $0/mo | Paid (contact-based) Starts at ~$49/mo |
|---|---|---|
| Prospecting database | ✗ | ✗ |
| Transactional email | Limited | ✓ |
| Intent signal tracking | ✗ | ✗ |
| Team seats | Unlimited | Unlimited |
Unify
AI outbound agents that prospect, enrich, and sequence from a single chat prompt using a 1.1B-person B2B database
Unify replaces the traditional multi-tab prospecting workflow with a single chat prompt: describe an ICP in plain language, and purpose-built AI agents search across a database of over 1.1 billion people and 65 million companies, enrich the results, and surface relevant intent signals from 40+ sources, all in one session.
The signal breadth is a genuine strength: job changes, funding events, hiring activity, and product signals feed into the chat automatically, and customers report 57% more replies from AI-personalized email built on those signals. A free tier covering up to 3 seats, and a $20 per seat Base plan, make it realistic to test before spending real budget.
Unify has no transactional email capability and no product-event triggers, since its entire premise is contacting people who are not yet customers. HubSpot and Salesforce sync stays read-only until the custom-priced, annually billed Business tier, and the dialer remains beta even there.
| Feature | Free $0/mo | Base $20/seat/mo | Pro $60/seat/mo | Business Custom/year |
|---|---|---|---|---|
| Credits included | 100/seat/mo | 800/seat/mo | 2,400/seat/mo | Custom pool |
| AI email copywriting | ✗ | ✓ | ✓ | ✓ |
| HubSpot & Salesforce sync | ✗ | ✗ | Read-only | Read-write |
| Transactional email | ✗ | ✗ | ✗ | ✗ |
Head-to-head feature comparison
| Feature | Loops | Unify |
|---|---|---|
| Primary use case | SaaS product lifecycle and transactional email | AI-driven prospecting and outbound |
| Recipient type | Existing, opted-in product users | Cold prospects, no prior relationship |
| Database / prospecting | None; contacts arrive via product signup | 1.1B+ people, 65M+ companies |
| Intent signals | No named signal library; triggers come from your own product events | 40+ sources: job changes, funding, hiring, product signals |
| Transactional email | Yes, included on all plans | No |
| Pricing model | Contact-count based, no per-seat fee | Per seat, credit-based usage |
| Free tier | Yes, up to 1,000 subscribers | Yes, up to 3 seats |
| CRM sync | Native to developer tools like Supabase, Clerk, Stripe | Read-only on Pro; read-write on Business (custom, annual) |
| Workflow interface | Visual builder plus developer API | Natural-language chat prompt |
| Starting price (paid) | ~$49/month | $20/seat/month |
Which should you choose?
LoopsUnifyLoopsUnifyLoopsUnifyThere is no real tension to resolve here, since the two tools automate opposite halves of a growth motion. Loops has nothing resembling a prospecting agent, and Unify has nothing resembling a transactional email system. Both happen to offer strong free tiers, which is the one place worth comparing directly if you are deciding which to test first: Loops for validating product email integration, Unify for validating whether AI-native prospecting beats your current sourcing process.
Bottom line
Choose Loops for onboarding, lifecycle, and transactional email sent to people who already use your product. Choose Unify for prospecting new customers through a prompt-driven, AI-agent workflow backed by a large B2B database and broad intent-signal coverage. A company doing both outbound sales and product-led growth should expect to run both tools side by side, using Unify to find and reach new prospects and Loops to manage everything that happens once they convert.
Frequently asked questions
Can Loops find new prospects the way Unify does?
No, Loops has no prospecting or database-search capability at all. Its contacts are exclusively people who already signed up for the connected product. Unify is built specifically to search a 1.1B+ person database from a natural-language prompt to find prospects who have never interacted with your company.
Does Unify handle transactional email like Loops does?
No, Unify has no transactional email feature; its entire workflow is oriented toward finding and reaching new prospects, not sending receipts or password resets to existing users. Loops is purpose-built for that transactional use case alongside marketing and lifecycle email.
Which tool has a better free tier?
Both are genuinely usable for free, just for different purposes. Loops covers up to 1,000 subscribers and 4,000 sends a month at no cost, useful for testing a product-email integration. Unify's free tier covers up to 3 seats with 100 credits per seat monthly, enough to test whether prompt-driven prospecting fits your workflow.
Does Loops track intent signals like job changes or funding rounds the way Unify does?
No, Loops has no external signal tracking. Its automations trigger from your own product's events, signup, trial start, feature activation, not from outside company signals. Unify tracks 40+ external signal sources specifically to help time outreach to prospects who are not yet customers.
Is Unify's CRM integration as strong as Loops' developer integrations?
They serve different purposes and neither is strictly stronger. Unify's HubSpot and Salesforce sync stays read-only until its custom-priced Business tier. Loops integrates natively with developer-focused SaaS tools like Supabase, Clerk, Stripe, and PostHog, reflecting its role as a product email platform rather than a CRM-centric prospecting tool.
Should a growth-stage SaaS company use both Loops and Unify?
Yes, that pairing makes sense for a company running both outbound prospecting and product-led growth. Unify would handle finding and reaching new prospects through its AI-agent workflow, while Loops would separately manage onboarding sequences and transactional email once someone becomes a signed-up user.