Amplemarket vs Warmer.ai
An independent, review-free comparison compiled by the SaaSTracker editorial team. Both products are profiled in full, and neither can pay for placement here.
The short answer
Editorial assessmentWarmer.ai compared with Amplemarket
Amplemarket is a full outbound platform with its own data, multichannel sequencing, deliverability tooling, and AI copy, sold at a level that assumes a real sales team and generally a conversation with sales. Warmer is a $79 component. If you are staffing an outbound function, Amplemarket is the comparison; if you are one founder with a sending tool, Warmer is the honest scale of purchase.
Choose Amplemarket if
Revenue teams, mostly under 100 reps, that want one AI-native platform for prospecting data, deliverability, and multichannel outreach instead of stitching together a data vendor, a sequencer, and warmup tooling separately.
Choose Warmer.ai if
Small B2B teams and solo sellers who already run a sending stack and want the research and opener-writing step handled for a few cents per prospect, particularly anyone whose targets have an active LinkedIn presence.
Side by side
13 attributes| Attribute | Amplemarket | Warmer.ai |
|---|---|---|
| Category | Engagement | AI SDR |
| Starting price | $600/mo for 2 seats (Startup plan, published) (14 days trial) | $79 per month for 750 credits (free trial) |
| Pricing model | Seat-plus-credits subscription on annual contracts. The entry Startup plan has a published starting price; Growth and Elite are custom-quoted based on seats, contact and phone credit volume, and add-ons like Duo Inbox. Amplemarket does not publish a full list price sheet. | Credit-based monthly subscription, metered by prospects enriched and personalized, with an annual discount on each tier. |
| Free plan | No | No |
| Free trial | 14 days | Free trial available with no credit card required |
| Best for | Revenue teams, mostly under 100 reps, that want one AI-native platform for prospecting data, deliverability, and multichannel outreach instead of stitching together a data vendor, a sequencer, and warmup tooling separately. | Small B2B teams and solo sellers who already run a sending stack and want the research and opener-writing step handled for a few cents per prospect, particularly anyone whose targets have an active LinkedIn presence. |
| Setup time | Typically days, not weeks, for the core setup (domain connection, warmup start, first sequences); full deliverability warmup itself takes 2-4 weeks before high-volume sending is advisable. | Under an hour. Sign up, upload a CSV with LinkedIn URLs or company domains, run a batch, export the column. Connecting HubSpot or Salesforce adds perhaps another thirty minutes. |
| Learning curve | Low to moderate for reps building sequences and reviewing Duo-drafted campaigns; the intent-signal and credit system takes more ramp for whoever owns list strategy and credit budgeting. | Minimal on mechanics. The real learning is calibrating your discard rate: read the first few hundred generated lines, note what fraction are weak, and decide whether the remaining ones justify the credit spend on your particular audience. |
| Platforms | Web app, Chrome extension, API | Web application |
| Compliance | SOC 2, GDPR, CCPA | No published SOC 2 or ISO certification, No advertised regulated-industry program |
| Founded | 2019 | 2021 |
| Headquarters | San Francisco, California, US, with a second base in Lisbon, Portugal | London, United Kingdom |
| Ownership | Venture-backed (private) | Privately held, founder-led |
Strengths and limitations
Amplemarket
Strengths
- Genuinely bundles data, sequencing, and deliverability rather than layering a fourth vendor on top of the same three problems.
- Duo's three-agent design (Signal, Research, Sequence) keeps a human approval step before sends, a defensible middle ground between manual prospecting and fully autonomous AI SDR tools.
- Deliverability tooling (warmup, validation, domain health) is native rather than a bolt-on, which matters for teams sending high volume on a limited number of domains.
- Published entry pricing on the Startup plan gives a real anchor point most competitors in this bracket don't offer.
Limitations
- Growth and Elite pricing is entirely quote-based; buyers can't comparison-shop past the Startup tier without a sales call.
- Bundling is also lock-in: swapping out just the data layer or just the sequencer later means re-platforming the whole stack, not a single module.
- Contact database size (200M+) is a vendor-reported figure; independent, apples-to-apples coverage comparisons against Apollo or ZoomInfo in specific verticals are hard to find.
- Enterprise governance, content lockdown, granular role permissions, and forecasting depth are thin compared with Outreach or Salesloft; this is not an enterprise RevOps platform.
Warmer.ai
Strengths
- Sharply focused on one job, which makes it usable within an hour and hard to misconfigure.
- Salesforce and HubSpot connections put it a step ahead of personalization tools whose only output format is a downloaded spreadsheet.
- Free trial with no card required, plus fully self-serve Stripe checkout, so evaluation costs nothing and buying takes minutes.
- Reviewers consistently praise the onboarding video and interface clarity, which is rare in a category where most tools assume you already know the workflow.
Limitations
- It is not an AI SDR. No sending, no sequencing, no warmup, no deliverability tooling, no reply handling, and no list building.
- The name actively misleads: despite being called Warmer, this has nothing to do with inbox warmup or sender reputation.
- Output quality varies sharply with the prospect's public footprint, and the tool gives you no signal about which of its own generations are weak.
- The $79 entry tier is priced roughly four times worse per prospect than the top tier and is too small for sustained sending.
Pricing compared
Amplemarket
Seat-plus-credits subscription on annual contracts. The entry Startup plan has a published starting price; Growth and Elite are custom-quoted based on seats, contact and phone credit volume, and add-ons like Duo Inbox. Amplemarket does not publish a full list price sheet.
- Startup$600/mo
- GrowthCustom (reported $2,000-5,000/mo)
- EliteCustom (reported $10,000-50,000/mo)
On paper, bundling data, sequencing, and deliverability undercuts buying Apollo or ZoomInfo data plus a standalone sequencer plus a warmup tool, especially once you count the integration and reconciliation tax of running three vendors. The catch is that none of the three layers is guaranteed best-in-class alone: dedicated data providers likely out-cover Amplemarket's 200M-contact base in some verticals, and dedicated sequencers like Outreach or Reply.io carry deeper workflow and governance features. The math favors Amplemarket most clearly for teams under roughly 15-20 seats who would otherwise juggle multiple vendor renewals; above that, get an actual Growth or Elite quote and compare it against a best-of-breed stack before assuming the bundle wins on price.
Warmer.ai
Credit-based monthly subscription, metered by prospects enriched and personalized, with an annual discount on each tier.
- Growth$79
- Professional$149
- Scale$399
At the Professional tier, four cents to read a prospect and draft a tailored opener is good value against any human alternative and competitive with Lyne and SmartWriter. The Growth tier is not: eleven cents a prospect for a volume that lasts two weeks is a trial dressed as a plan, and buyers should treat it that way. The wider value question is the same across this half of the category. Warmer sells the cheap component of outbound and leaves you owning the expensive parts, so the saving is real only if you already have sending infrastructure. If you do, the CRM connections make it slightly better plumbed than its file-only rivals for a similar price.
Editorial verdict on each
Amplemarket
MomentumAmplemarket's bet is that bundling verified contact data, multichannel sequencing, and email deliverability into one contract beats assembling the same three functions from Apollo or ZoomInfo, a sequencer, and a warmup tool, and for teams under roughly 15-20 seats that math often holds, especially once Duo's agent layer is factored in as a genuine time saver rather than marketing gloss. The catch is the same one every bundle carries: opaque pricing past the entry tier, lock-in across all three layers at once, and no individual layer that's obviously best-in-class on its own. Startups and founder-led sales teams should trial it against a real Apollo-plus-sequencer cost comparison before committing to an annual contract; enterprise buyers should look elsewhere entirely.
Read the full Amplemarket profileWarmer.ai
Warmer.ai is a small, focused, well-behaved tool that does the research step behind a cold email opener and then gets out of the way, and the Salesforce and HubSpot connections make it slightly better plumbed than the file-only alternatives at the same price. Buy the $149 Professional tier, not the $79 one, which is a trial wearing a plan's clothing at four times the per-prospect rate. Understand clearly what you are getting: no sending, no warmup despite the name, no replies, no list, and output whose quality rises and falls with how much your prospects post in public. Read every generated line for the first few batches, keep your list clean because credits burn on research rather than sends, and treat this as a component that gives your existing outbound a better first sentence, not as anything resembling a sales hire.
Read the full Warmer.ai profileAmplemarket profile last reviewed 2026-08-22; Warmer.ai last reviewed 2026-08-22. Pricing is compiled from public sources and can change without notice. See our methodology.