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Sending platforms that rotate across many inboxes, run sequences and track replies. Your inboxes plug into one of these.
Published prices on the dates shown on each profile. Score is the PureMail rubric score out of 5 (how we score).
| Tool | Price | Mailbox types | Setup | Warmup | Score |
|---|---|---|---|---|---|
| Instantly | From $47 per month for Growth billed monthly, or $37.60 a month billed yearly; Hypergrowth $97 or $77.60; Light Speed $358 or $286.30 | Not stated | Minutes: connect inboxes from any provider, or order done-for-you Google inboxes delivered in 24 to 72 hours | Unlimited warmup on every plan, with advanced warmup settings from Hypergrowth | 4.0 / 5 |
| lemlist | From $69 per month for the Email plan at 50,000 emails a month with unlimited users, or $55 a month billed yearly; Multichannel $109 a user a month, or $87 yearly | Not stated | Minutes: connect Google, Microsoft or SMTP senders, or buy domains and mailboxes inside the app, then build a sequence | Included: lemwarm warm-up and the deliverability hub on every plan, with sending limits management, a smart sending algorithm and deliverability alerts | 3.8 / 5 |
| Mailmeteor | From $5.99 per user per month on Starter billed monthly, or $4.49 a month billed yearly; Premium $17.99, Professional $35.99 | Not stated | Minutes: sign in with Google or Microsoft, or add an SMTP sender | One warmed inbox included on Premium and Professional, through a network the site puts at 35,000 inboxes; warmup is also sold on its own from $9.99 a month | 3.4 / 5 |
| Outreach | Pricing on their site | Not stated | Weeks: enterprise onboarding, with professional services packages sold separately | Not included; warm mailboxes before you connect them | 2.6 / 5 |
| Salesforge | From $48 per month for Pro billed monthly, or $40 a month billed yearly; Growth $96 or $80; Agent Frank $499 a month billed quarterly | Not stated | Minutes: connect your own Google, Microsoft or SMTP mailboxes, or add Primeforge, Mailforge or Infraforge mailboxes from the calculator | Unlimited premium warm-up powered by Warmforge on both plans, including the trial | 3.8 / 5 |
| Smartlead | From $39 per month for Base billed monthly, or $32 a month billed yearly; Pro $94 or $78; Unlimited Smart $174 or $144; Unlimited Prime $379 or $315 | Not stated | Minutes: connect Google, Microsoft or SMTP mailboxes with OAuth or app passwords, or buy them inside the app, then build a campaign | Warm-up pool included free on Unlimited Smart and Prime, a $59-a-month add-on on Base and Pro, with tiers the page calls foundation, growth and premium | 4.0 / 5 |
| YAMM | From $3 per month billed yearly ($36) for a Gmail account at 400 recipients a day; $6 ($72) for a Google Workspace account at 1,500 a day; free for 20 a day | Not stated | Minutes: install the Google Sheets add-on and write the draft in Gmail | Not applicable; mail goes out from your own Gmail or Google Workspace account within Google's limits | 3.4 / 5 |
Cold email sequencer with unlimited inboxes and warmup on every plan: $47, $97 or $358 a month, 20% less yearly, plus done-for-you Google inboxes at $5.
Multichannel sequencer from Paris: Email plan at $69 a month for unlimited users and 50,000 emails ($55 yearly), Multichannel $109 a user ($87 yearly).
Gmail and Outlook mail merge with a free plan of 500 emails a month, paid plans from $5.99 a user, and daily caps of 50 to 2,000 emails depending on the plan.
Enterprise sales engagement platform, no published prices: four Amplify packages priced per seat plus 10,000 to 100,000 AI credits, quoted by sales.
Multichannel sequencer from the Forge family: Pro $48 a month ($40 yearly), Growth $96 ($80), unlimited mailboxes and warm-up, Agent Frank AI SDR at $499.
Cold email sequencer with unlimited mailboxes on every plan: $39, $94, $174 or $379 a month, 17% less yearly, warm-up free from Smart, mailboxes from $4.50.
Gmail mail merge from Google Sheets: free for 20 recipients a day, Pro $3 a month for Gmail or $6 for Google Workspace, Team $6 a user, billed yearly.