Landbase vs Userlist in 2026: Account discovery for outbound vs lifecycle email for signed-up SaaS users
Landbase helps you find companies before they know you exist. Userlist helps you keep the users who already signed up engaged, with a data model built around companies and teams, not cold prospects.
Landbase
Userlist- Landbase discovers and qualifies new B2B accounts via natural language search; Userlist has no prospecting feature and only manages users and companies already inside your product.
- Userlist supports many-to-many user-to-company relationships for lifecycle and transactional email; Landbase has no email sending capability of any kind, transactional or otherwise.
- Landbase offers a free tier with 1,000 one-time credits and no credit card required; Userlist offers a 14-day free trial with no credit card, but no ongoing free tier.
- Userlist charges by subscribed user count starting at $149/month for 10,000 users; Landbase charges credits only for verified contact results, as low as $0.033 per email at its top self-serve tier.
- Userlist includes transactional email, in-app messages, and A/B split testing (Professional) in one workflow builder; Landbase has none of these since it is a data discovery layer, not a messaging platform.
- Landbase was named a Gartner Cool Vendor and raised a $30M Series A; Userlist is built specifically for SaaS companies that have outgrown Mailchimp or ConvertKit.
Landbase and Userlist sit on opposite sides of the same word, "company," and that is the whole story of this comparison. Landbase uses "company" to mean a target account it has never contacted, discoverable through natural language search against a B2B database, with pay-per-verified-result contact enrichment. Userlist uses "company" to mean a customer account with real users already inside your product, tracked through a many-to-many data model that most competitors cannot handle, triggering lifecycle and transactional email off actual behavior. Landbase cannot send an email. Userlist cannot find a new prospect. The only real question worth asking is which side of your funnel currently has the bigger gap.
The tools at a glance
Landbase
GTM data platform that uses AI agents to find, qualify, and prioritize B2B accounts from a natural language prompt.
Landbase exists entirely upstream of anything Userlist does. A natural language query, covering tech stack, department headcount, and revenue range, runs through the GTM-2 Omni model, trained on more than 50 million GTM campaigns, and returns qualified companies that have no existing relationship with your product at all.
Search and AI qualification are free regardless of tier, so a team can filter aggressively before spending a credit, and enrichment charges only for verified results, an email at 1 credit and a phone number at 10, with failed lookups free. The free tier's 1,000 credits, worth roughly $49, need no card.
Landbase has no idea what happens after it delivers a contact. There is no company-account data model for tracking a user's activity once they sign up, no messaging capability, and nothing resembling the lifecycle automation that defines Userlist.
| Feature | Free $0 | Starter $49/mo | Most Popular $149/mo | Professional $299/mo |
|---|---|---|---|---|
| Credits included | 1,000 (one-time) | 1K/mo | 3.5K/mo | 7.5K/mo |
| Natural language account search | Free | Free | Free | Free |
| Company-level lifecycle automation | ✗ | ✗ | ✗ | ✗ |
| Transactional email | ✗ | ✗ | ✗ | ✗ |
| Cost per verified email | $0.049 | $0.049 | $0.043 | $0.040 |
| Credit card required | ✗ | ✓ | ✓ | ✓ |
Userlist
Behavior-based email automation for SaaS with company-level workflows, in-app messages, and A/B testing.
Userlist is built for the moment after Landbase's job, whatever tool did it, is finished: someone signed up. Its differentiating data model handles many-to-many relationships between users and companies, letting a single workflow trigger off company-level thresholds rather than treating every contact as an isolated individual, which matters for any B2B SaaS where the buying unit is a team.
One visual workflow builder covers marketing campaigns, lifecycle triggers, transactional email like billing receipts and password resets, and in-app messages, removing the need to stitch together three separate systems for three types of email. Professional, at $349/month, adds A/B split testing across up to five paths and conversion goal tracking with defined time windows.
None of this reaches backward into finding new accounts. Userlist has no search, no enrichment, and no concept of a prospect who has not already created an account; the $149/month Basic entry price reflects a tool solving retention and expansion, not acquisition.
| Feature | Basic $149/mo | Professional $349/mo | Enterprise Custom |
|---|---|---|---|
| Users included | 10,000 | 10,000 | Custom |
| Transactional email | ✓ | ✓ | ✓ |
| Company-level automation | ✓ | ✓ | ✓ |
| A/B split testing | ✗ | ✓ | ✓ |
| B2B account discovery / prospecting | ✗ | ✗ | ✗ |
| 14-day free trial | ✓ | ✓ | ✗ |
Head-to-head feature comparison
| Feature | Landbase | Userlist |
|---|---|---|
| B2B account discovery | Yes, core feature | No |
| Natural language query search | Yes, native | Not applicable |
| Company-level (multi-user) automation | No | Yes, many-to-many model |
| Transactional email | No | Yes, included |
| In-app messaging | No | Yes |
| A/B testing | Not applicable, no sending | Yes, on Professional |
| Contact enrichment (verified) | Yes, pay-per-verified-result | Not applicable, no discovery |
| Free trial / tier | 1,000 one-time credits, no card required | 14-day free trial, no card required |
| Pricing model | Credit-based | By subscribed user count |
| Starting price | $0 free tier | $149/mo |
Which should you choose?
LandbaseUserlistLandbaseUserlistLandbaseUserlistNeither company built its product to compete with the other, and the comparison mostly serves to clarify a real distinction that "marketing automation" as a category label obscures: acquisition tooling and retention tooling are different disciplines with different data models, different pricing logic, and almost no shared feature surface. Landbase's pay-per-verified-result credit model reflects a discovery problem where each result has a discrete cost. Userlist's per-user subscription reflects a retention problem where the cost scales with how many people you are already serving.
Bottom line
Pick Landbase if your gap is finding and qualifying B2B accounts you have never contacted. Pick Userlist if your gap is engaging and retaining users who already signed up, especially where your product sells to teams rather than individuals. A growth-stage B2B SaaS company running both outbound acquisition and product-led retention will very plausibly need both tools, since success in either lane does not reduce the need for the other.
Frequently asked questions
Can Userlist be used to find new B2B accounts to target, similar to Landbase?
No, Userlist has no prospecting, search, or account discovery feature. It works exclusively with users and companies already inside your product, triggered by behavioral events and company-level properties, not by external criteria like tech stack or funding stage the way Landbase's natural language search does.
Does Landbase support the company-account data model that Userlist has for teams?
No, Landbase has no concept of tracking a company's ongoing relationship with your product after a contact is discovered and enriched. Its "company" data refers to an external target account being evaluated for outreach, not a signed-up customer with a many-to-many user relationship, which is specifically Userlist's differentiating capability.
Is Landbase or Userlist the right starting point for an early-stage SaaS company?
It depends entirely on whether you have customers yet. A pre-revenue or pre-launch company validating its target market should start with Landbase's free tier. A company that already has signed-up users and needs onboarding, billing, or lifecycle email should start with Userlist's 14-day trial instead.
How does Landbase's pricing compare to Userlist's for a growing company?
Landbase charges credits only for verified contact results, with search and qualification always free, so cost scales directly with new accounts discovered. Userlist charges by subscribed user count, starting at $149/month for 10,000 users with additional charges beyond that threshold, so cost scales with how large your existing customer base has grown, not with new prospecting activity.
Does either tool include transactional email like password resets or billing notices?
Userlist includes transactional email on all its plans, covering account verification, password resets, and billing notifications alongside marketing and lifecycle email. Landbase has no email sending capability at all, transactional or otherwise, since it is strictly a data discovery and enrichment tool.
Can Landbase and Userlist be used together in the same GTM stack?
Yes, and this pairing reflects a realistic full-funnel setup. Landbase can identify and qualify new B2B accounts and enrich verified contacts for outbound acquisition, while Userlist takes over once those contacts convert into signed-up users, handling onboarding, lifecycle, and transactional email based on real product behavior and company-level triggers.