WarmySender Lifetime Deal: Scale cold outreach with warmup built in for $59 (Hunter.io Alternative)

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WarmySender: run cold email sequences backed by a 200M-contact B2B database, built-in warmup, and Bounce Shield. On AppSumo you pay $59 once instead of a monthly subscription.

Your perfect cold email won't get any replies if your domain is getting flagged as spam. WarmySender can warm your domain, flag bad addresses, and run your sequences—all in one place.

What you get with WarmySender

• Build prospect lists from a 200M-contact B2B database and enroll them in multi-step sequences with A-Z testing across 26 variant
• Protect sender reputation with A.H.D.E. warmup and Bounce Shield address verification before every send

Is WarmySender a good Hunter.io alternative?

Buyers compare it with Hunter.io, Lemlist, Lusha. The difference that matters for most small teams: those tools bill every month, while this deal is a single $59 payment. Check the plan limits below before you buy.

What buyers say

Customers appreciate WarmySender, praising its seamless integration of cold email sequences, the robust 200M-contact B2B database, and the effective built-in warmup features. There are a couple of minor drawbacks, such as the pacing of outreach to avoid account bans and the optional nature of additional channels like LinkedIn and Instagram, which require importing handles. However, these are just small bumps on the road. Weighing the raves against the occasional grumbles, WarmySender is hitting the mark with a stellar 4.8 rating from 61 reviews. With a 60-day money-back guarantee, there's no reason not to give it a try!

Deal terms

• Lifetime access to WarmySender
• All future Pro Plan updates
• If Plan name changes, deal will be mapped to the new Plan name with all accompanying updates
• No codes, no stacking—just choose the plan that’s right for you
• You must activate your license within 60 days of purchase
• Ability to upgrade between 6 license tiers while the deal is available

Integrations: Gmail, HubSpot, LinkedIn, Salesforce, Zapier

FAQ

What features does WarmySender offer for email outreach?

WarmySender provides a comprehensive suite of features for email outreach, including email warmup with a 99.4% inbox placement rate, multi-step sequences with A/B testing and conditional branching, a unified inbox for managing email and LinkedIn replies, smart throttling to protect sender reputation, an analytics dashboard for performance tracking, access to a 200M+ verified B2B lead database, A-Z testing with up to 26 variants, a spam score checker, and a visual sequence builder for campaign design.

How do I set up my first campaign in WarmySender?

To set up your first campaign in WarmySender, follow these steps: 1) Connect your email accounts (Gmail, Outlook, SMTP) and LinkedIn account. 2) Choose your plan (Pro, Enterprise, or Ultimate). 3) Create multi-channel sequences using the visual sequence builder. 4) Set daily sending limits to protect your sender reputation. 5) Launch your campaign and monitor performance through the analytics dashboard.

Is WarmySender compatible with different email providers?

Yes, WarmySender is compatible with various email providers. It supports Gmail, Outlook, and any email provider that supports SMTP and IMAP protocols, including custom business email servers and managed hosting providers.

How does WarmySender's email warmup process work?

WarmySender's email warmup process involves sending emails that trigger multi-turn conversations, up to 5 replies deep, to simulate real engagement. This approach has resulted in a 99.4% inbox placement rate, as measured across 80,000+ warmup emails in Q1 2026.

See the WarmySender deal on AppSumo →

Price and availability checked 16 October 2026. AppSumo deals sell out or end without notice.