Hypertide alternatives: 7 priced at 100 inboxes and per 1,000 cold emails

Hypertide sells Microsoft Entra inboxes at $25 a domain of 25 and Google Workspace inboxes at $3.30 each, built in 4 to 6 hours and uploaded to your sequencer, after a $500 credit paid up front. An Entra domain sends up to 3,000 emails a month, about 5 per inbox a day, so 100 inboxes with Instantly cost from $197 a month for 11,000 cold emails. 100 Outreach2day mailboxes send 55,000 for $271.67 with warmup and the sequencer included. We make Outreach2day and list it first.

Create mailboxesBook a call
  • Warmup and sending included
  • $2.50 a mailbox, 12 minimum
  • Month-to-month billing

Full setup · 100 mailboxes

USD a month
  1. HypertideHypertide: from $197
  2. Outreach2dayOutreach2day: $271.67
  3. MaildosoMaildoso: $338.25
  4. InboxKitInboxKit: from $397
  5. ZapmailZapmail: $432.83
  6. Premium InboxesPremium Inboxes: from $447
  7. Cheap InboxesCheap Inboxes: $450.31
  8. PrimeforgePrimeforge: $586.67
Mailboxes, domains and the sequencer each one needs to send, at list prices. Line items and sources

Ranked

Why each one is a Hypertide alternative

We make Outreach2day and list it first.

  1. 1. Outreach2day: more cold emails per mailbox, warmup and sending included

    SMTP/IMAP mailboxes instead of Outlook, with warmup and our own sequencer in $2.50 and up to 25 cold emails a mailbox a day from day 14, five times what an Entra inbox sends. No deposit: the smallest order is 12 mailboxes, $30 a month. If you keep Instantly or Smartlead, the mailboxes sync by API key; EmailBison takes our CSV.

    Per mailbox a month

    from $2.50

  2. 2. InboxKit: Google, Microsoft and Azure one mailbox at a time

    The nearest self-serve match: Google Workspace, Microsoft 365 and Azure-tenant mailboxes at a flat $3 a month, $2.50 on annual billing, from one mailbox and a prepaid wallet instead of a $500 credit. Its guides suggest 40 to 50 emails per mailbox a day; warmup is a $3 add-on.

    InboxKit reviewInboxKit alternatives

    Per mailbox a month

    from $2.50

    annual billing

  3. 3. Zapmail: Google and Microsoft with warmup handled

    Google Workspace or Microsoft 365 on US or EU IPs, one domain per workspace, in plans of $39 for 10, $99 for 30 and $299 for 100. Warmup is handled per its FAQ, pre-warmed mailboxes are sold, and a hosted MCP server has 134 tools.

    Zapmail reviewZapmail alternatives

    Per mailbox a month

    from $2.50

    Pro, yearly

  4. 4. Premium Inboxes: Google and Microsoft built and replaced by hand

    Inboxes set up by people and uploaded to Instantly, Smartlead, Apollo, Lemlist, Reply.io or EmailBison, like Hypertide's upload, at $3.50 an inbox under 250 with unlimited free replacements and a shared Slack channel. No deposit; no refunds once a license is active.

    Premium Inboxes reviewPremium Inboxes alternatives

    Per mailbox a month

    from $2.80

    1,250+ inboxes

  5. 5. Cheap Inboxes: Google and Microsoft with an MCP server

    Google Workspace with admin access and Microsoft 365, one domain per isolated workspace, from $3.50 a mailbox under 100 down to $2.80 above 1,000, with no minimum, an API and a hosted MCP server.

    Cheap Inboxes reviewCheap Inboxes alternatives

    Per mailbox a month

    from $2.80

    1,000+ mailboxes

  6. 6. Primeforge: one Microsoft tenant per domain, the Forge way

    Like Hypertide Entra, Primeforge puts each Microsoft domain on its own tenant. Slots are $4.50 a month on small orders, $2.92 on yearly 1,000+, at 30 emails per mailbox a day; warmup is Warmforge, sold separately, and Forge refunds nothing.

    Primeforge reviewPrimeforge alternatives

    Per mailbox a month

    from $2.92

    yearly, 1,000+ slots

  7. 7. Maildoso: SMTP packs when Outlook is not a must

    If the Microsoft label is not the point: SMTP packs of $75 for 30, $225 for 300 and $499 for 1,000 a month, synced to Instantly, Smartlead and EmailBison, with an API and an MCP server. 15 cold emails per mailbox a day, no warmup.

    Maildoso reviewMaildoso alternatives

    Per mailbox a month

    from $0.49

Side by side

Hypertide and 7 alternatives side by side

Lowest published per-mailbox price, smallest order, mailbox types, warmup, API and MCP. Each cell links its source.

List prices from Outreach2day's pricing page, InboxKit's pricing page, Zapmail's pricing page, Premium Inboxes's pricing page, Cheap Inboxes's pricing page, Primeforge's pricing page, Maildoso's pricing page and Hypertide's pricing page, checked . Taxes and card fees excluded.

Cost

What 100 mailboxes cost a month with each option

Mailboxes, domains and the sequencer they need to send, at each vendor's list price.

100 mailboxes a monthMailboxes, domains and the sequencer · USD a month
  1. HypertideHypertide: from $197
  2. Outreach2dayOutreach2day: $271.67
  3. MaildosoMaildoso: $338.25
  4. InboxKitInboxKit: from $397
  5. ZapmailZapmail: $432.83
  6. Premium InboxesPremium Inboxes: from $447
  7. Cheap InboxesCheap Inboxes: $450.31
  8. PrimeforgePrimeforge: $586.67
Per 1,000 cold emailsThe same total at each vendor's recommended volume · USD
  1. InboxKitInboxKit: from $4.51
  2. Outreach2dayOutreach2day: $4.94
  3. ZapmailZapmail: $7.87
  4. PrimeforgePrimeforge: $8.89
  5. MaildosoMaildoso: $10.25
  6. Premium InboxesPremium Inboxes: from $13.55
  7. Cheap InboxesCheap Inboxes: $13.65
  8. HypertideHypertide: from $17.91
Outreach2day all-inMailboxes, warmup and our sequencer; 25 a day each$271.67 a month$2.72 per mailbox · $4.94 per 1,000 emails · 2,500 emails a day
  • 100 mailboxes at $2.50, warmup and sequencer included: $250
  • 20 domains at $13 a year: $21.67
InboxKit + InstantlyGoogle or Microsoft, 40 a day eachfrom $397 a monthfrom $3.97 per mailbox · from $4.51 per 1,000 emails · 4,000 emails a day
Zapmail + InstantlyGoogle or Microsoft, 25 a day each$432.83 a month$4.33 per mailbox · $7.87 per 1,000 emails · 2,500 emails a day
Premium Inboxes + InstantlyGoogle or Microsoft, 15 a day eachfrom $447 a monthfrom $4.47 per mailbox · from $13.55 per 1,000 emails · 1,500 emails a day
Cheap Inboxes + InstantlyGoogle or Microsoft, 15 a day each$450.31 a month$4.50 per mailbox · $13.65 per 1,000 emails · 1,500 emails a day
Primeforge + InstantlyGoogle or Microsoft, 30 a day each$586.67 a month$5.87 per mailbox · $8.89 per 1,000 emails · 3,000 emails a day
Maildoso + InstantlySMTP, 15 a day each$338.25 a month$3.38 per mailbox · $10.25 per 1,000 emails · 1,500 emails a day
Hypertide + InstantlyMicrosoft Entra (Outlook), 5 a day eachfrom $197 a monthfrom $1.97 per mailbox · from $17.91 per 1,000 emails · 500 emails a day

100 mailboxes each. Hypertide and its alternatives at the same mailbox count. Monthly list prices on monthly billing; sending volume = mailboxes × each vendor's recommended emails per mailbox a day × 22 sending days, with the cheapest plan of the sequencer named in each row that covers it (Instantly unless the vendor's mailboxes need another; both include warmup). Domains at each vendor's published price spread over 12 months; "from" means a domain price is not published.

On list price per inbox Hypertide Entra is the lowest here: 100 inboxes are 4 domains at $25, $197 a month with Instantly, before domains whose price Hypertide does not publish. The catch is volume. At about 5 sends per inbox a day they send 11,000 cold emails a month, which is $17.91 per 1,000; Outreach2day sends 55,000 from 100 mailboxes for $271.67, $4.94 per 1,000.

InboxKit with Instantly is from $397 and Zapmail $432.83; both sell Google or Microsoft and send more per mailbox. Premium Inboxes and Cheap Inboxes are about $450 at 15 a day each. Each vendor is counted at its own recommended daily volume, so read the per-1,000-emails chart before the monthly total. The $500 Hypertide Credit is not in the table: orders draw it down, so it adds nothing to the monthly bill.

Your size

What 100 mailboxes cost a month

121,000+
  • Hypertide + InstantlyHypertide + Instantlyfrom $197

    500 cold emails a day

  • Outreach2day mailboxes + InstantlyOutreach2day mailboxes + Instantly$368.67

    2,500 cold emails a day

  • Outreach2day all-inOutreach2day all-in$271.67

    2,500 cold emails a day

At this size Hypertide + Instantly lists $74.67 a month less; Outreach2day includes its own sequencer and warmup and sends 2,500 cold emails a day from these mailboxes.

Create 100 mailboxes

Switching

Moving from Hypertide to Outreach2day

  1. Keep your sequencer

    Connect Instantly or Smartlead in Outreach2day with an API key and the warm mailboxes are added to your account; other tools take a CSV in their import format, or SMTP/IMAP logins. How the export works

  2. Or move the campaigns

    Our sequencer runs campaigns with steps, a send schedule, stop on reply and one inbox for replies; import the contacts as a CSV and recreate the steps. The mailbox price stays $2.50.

  3. Warmup and the overlap

    New mailboxes warm for 14 days before cold email, and warmup keeps running after that. Keep the Hypertide mailboxes sending during those two weeks, then shift the volume and cancel Hypertide for the end of its billing period.

Hypertide plans are month to month and cancel in the app. No refund policy is published, and the 30-day deliverability guarantee on the order page has no written terms, so ask about unused credit before you cancel. Reply Relay keeps routing replies from cancelled domains to a central inbox.

Hypertide

Hypertide itself

Price per mailbox

source (opens the vendor's page in a new tab)
from $1.00 (Entra, $25 per domain of 25)

Smallest order

source (opens the vendor's page in a new tab)
$500 credit to start; then one Entra domain (25 inboxes) or one Google inbox

Setup time

source (opens the vendor's page in a new tab)
Typically 4–6 hours after the order

Mailbox types

source (opens the vendor's page in a new tab)
Google Workspace and Microsoft Entra (Azure-hosted Outlook) inboxes

Sending limits

source (opens the vendor's page in a new tab)
Entra up to 3,000 sends per domain a month (about 5 per inbox a day); other Hypertide pages give 2,200+ and 6,000+

Warmup

source (opens the vendor's page in a new tab)
Partly, or at extra cost Switched on in your sequencer before handoff; Hypertide's own pool warms only parked Recovery Pool domains

Sequencers

source (opens the vendor's page in a new tab)
Upload by OAuth or SMTP to Instantly, Smartlead, EmailBison and most major tools; SMTP/IMAP logins included

MCP server

source (opens the vendor's page in a new tab)
Not included None found

Refunds

source (opens the vendor's page in a new tab)
No refund policy published; the order page names a 30-day deliverability guarantee without terms

Trustpilot

source (opens the vendor's page in a new tab)
2.9 / 5 from 2 reviews

Read the full Hypertide review

Choosing

Why Hypertide buyers look elsewhere

Three things come up on Hypertide's own pages. The $500 credit is due before the first order. An Entra domain sends up to 3,000 emails a month on the Entra page, while the home page says 2,200+ and the pricing card 6,000+, so the volume you buy is unclear until you measure it. And warmup and every send run in a sequencer you pay for separately.

No refund policy, domain price or public API docs are published, and the terms name the company only as "Hypertide". The full list with sources is in the Hypertide review.

Size the order on emails sent

For 1,500 cold emails a day: Entra at about 136 sends per domain a day needs 11 domains, $275 a month plus domains and a sequencer. Google inboxes from Hypertide at 15 a day need 100, $330. 60 Outreach2day mailboxes at 25 a day cost $150 with warmup and the sequencer in the price, plus 12 .com domains at $13 a year.

If Outlook inboxes on separate tenants are the requirement, Primeforge and Zapmail sell Microsoft accounts with published terms, and InboxKit sells Azure-tenant mailboxes one at a time. From 1,000 mailboxes we quote a volume price on a call.

Outreach2day

Outreach2day as a Hypertide alternative

We make Outreach2day and list it first. Where it fits and where it does not.

It fits if

  • You run 1,000+ mailboxes: we quote a volume price below every vendor list price in our comparisons, warmup and sending included
  • You want warmup and sending in the mailbox price instead of a sequencer plan on top
  • You want up to 25 cold emails a mailbox a day from day 14
  • You want to start at 12 mailboxes, $30 a month, with no deposit
  • You want a public REST API and an MCP server

It does not fit if

  • You need Microsoft Entra or Google Workspace inboxes
  • You want each domain on its own Microsoft tenant
  • You want Reply Relay and a pool for parked domains

FAQ

Hypertide alternatives: questions

What is the best Hypertide alternative?

Outreach2day if you want more cold emails per mailbox with warmup and a sequencer in one bill at $2.50 a mailbox. InboxKit for Google, Microsoft or Azure mailboxes one at a time, Zapmail for Google and Microsoft with warmup handled, Primeforge for a Microsoft tenant per domain.

Is Hypertide cheaper than the alternatives?

Per inbox, yes: $1 an Entra inbox. Per email sent, no: at about 5 sends per inbox a day, 100 Entra inboxes with Instantly cost $17.91 per 1,000 cold emails, against $4.94 for Outreach2day mailboxes at 25 a day with warmup and the sequencer included.

Which Hypertide alternatives start without a $500 credit?

None of the seven asks for one. Outreach2day starts at 12 mailboxes for $30 a month, Zapmail at $39 for 10, Cheap Inboxes from one mailbox and InboxKit from one mailbox paid from a prepaid wallet. Hypertide asks for a $500 credit before the first order.

Which Hypertide alternatives sell Microsoft inboxes?

Zapmail, InboxKit (including Azure tenants), Premium Inboxes, Cheap Inboxes and Primeforge, which puts each Microsoft domain on its own tenant. Outreach2day mailboxes are SMTP/IMAP.

Which Hypertide alternatives include warmup?

Outreach2day includes it for every mailbox, and Zapmail handles it per its FAQ. InboxKit sells it as a $3 add-on, Primeforge as Warmforge; Premium Inboxes, like Hypertide, switches it on in your sequencer.

Deliverability call

Talk to our deliverability team

Book a call with the people who run our mailbox infrastructure. We look at your current setup and tell you what to change. Running 1,000+ mailboxes? We also quote a volume price below every vendor list price in our comparisons, warmup and sending included.

  • Review your domains, DNS records and current inbox placement
  • Size the setup: domains, mailboxes per domain and daily volume per mailbox
  • Plan warmup and the move from your current provider or sequencer
  • 1,000+ mailboxes: a volume price per mailbox for your setup

Free call

See open times in your time zone and book on this page.

Or open the booking page

Related

More on Hypertide

Sources

Each vendor's own pages. Vendors change prices and plans; if something here is out of date, write to support@outreach2day.com and we will fix it.

Outreach2day
InboxKit
Zapmail
Premium Inboxes
Cheap Inboxes
Primeforge
Maildoso
Hypertide

Full volume from day 14: 25 cold emails a mailbox a day

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