Cold email tools
SEMAOS vs lemlist
TL;DR. lemlist is an all-in-one multichannel outbound platform — email plus LinkedIn, calls, and SMS in one sequence, a built-in 600M-contact lead database, warmup, and AI. If you want that whole stack in one tool, lemlist is strong. SEMAOS is deliberately narrower and does two things lemlist doesn't: it sends 1:1 sequences from your own Gmail/Outlook mailbox for personal deliverability, and it runs one-off newsletters/broadcasts — with a 0–100 engagement score on every contact, at flat pricing with no per-seat-plus-credits stacking.
How they compare
| Dimension | SEMAOS | lemlist |
|---|---|---|
| Primary model | Mailbox-native 1:1 sequences + broadcast | All-in-one multichannel outbound |
| Sending | Your own Gmail/Outlook (1:1) + SEMAOS sending (broadcast) | Rep mailboxes, multiple senders per seat |
| Newsletters / broadcasts | Yes — designed broadcasts over a sending domain | No — outbound sequences only |
| A/B testing | Yes — subject + content tests on broadcasts; winner auto-sent to the rest, or held for your approval | Yes — 2-variant tests on sequences and steps; winner picked manually |
| Engagement scoring | Yes — 0–100 score + Hot/Warm/Cool tiers | No — statuses + intent signals, not a score |
| Multichannel (LinkedIn / calls / SMS) | Email only | Yes — email + LinkedIn + calls + SMS + WhatsApp |
| Built-in lead database | No — bring your own (CSV import) | Yes — ~600M contacts + finder/verifier |
| Email warmup | Domain warmup enforcement; no warmup network | Yes — Lemwarm network |
| Unified reply inbox | Reply detection pauses sequences on Outlook and platform sends (not Gmail yet); no central inbox | Yes — cross-channel unified inbox |
| Pricing model | Flat, seats included, contacts unmetered | Per seat + enrichment credits + add-ons |
| Best for | Small teams, email-first, 1:1 + newsletters | Teams wanting multichannel + built-in data + AI |
When is lemlist the better choice?
lemlist is the better choice when your outreach spans LinkedIn, calls and SMS, not only email.
- You want multichannel — LinkedIn touches, cold calls, and SMS orchestrated alongside email in one sequence. That's lemlist's core strength; SEMAOS is email-only.
- You want a built-in lead database and enrichment so prospecting and sending live in the same tool.
- You lean on heavy visual personalization (dynamic images, personalized landing pages) and a warmup network across many senders.
When is SEMAOS the better choice?
SEMAOS is the better choice when your outreach is email sent 1:1 from your own mailbox, and you also send newsletters.
- You send from your own mailbox, 1:1. Gmail/Outlook sequences that land in Primary and read like a personal note — not blasted across many senders.
- You also run newsletters/broadcasts. lemlist is sequences-only; SEMAOS does designed broadcasts and 1:1 sequences in one product.
- You want a real engagement score. Every contact gets a 0–100 score and a Hot/Warm/Cool tier you can branch sequences on — lemlist tracks statuses, not a score.
- You want flat, predictable pricing. Seats included, contacts unmetered, no enrichment credits or per-mailbox add-ons stacking on the bill.
How much email can one rep send with SEMAOS?
One rep on a paid SEMAOS plan can send up to 3,000 emails a day from their own mailboxes: 250 to 1,000 per connected Gmail or Outlook mailbox depending on the kind of account, with up to 3 mailboxes per person. Broadcasts and large enrollments go over platform sending instead, which a new custom domain ramps up over at least 21 days.
| Sending from | Limit | Counts against your plan? |
|---|---|---|
| One connected mailbox | 250 to 1,000 a day | No |
| One rep, 3 mailboxes | Up to 3,000 a day | No |
| New custom domain, week 1 | 100 a day | Yes, the monthly platform pool |
| New custom domain, week 2 | 500 a day | Yes, the monthly platform pool |
| New custom domain, week 3 | 2,000 a day | Yes, the monthly platform pool |
| Warmed-up domain | The plan's pool: 7,500 (Solo) to 200,000 (Business) a month, then the on-demand bank on paid plans | Yes |
Each warmup step also waits until the domain has sent enough to earn the next one, so a domain that sends little stays on a lower step. SEMAOS sets each mailbox's cap by the kind of account: 250 for a personal Outlook account, 400 for a personal Gmail account, and 1,000 for a Google Workspace or Microsoft 365 account. A provider can still refuse sooner, for example on a new account. SEMAOS is not built to rotate dozens of throwaway inboxes. The ceiling is set by your team's real mailboxes and one warmed-up domain (5 on Business).