InboxKit alternatives (October 2026)
Looking for a InboxKit alternative? InboxKit costs $98.72/mo for 30 mailboxes on 10 domains (Google & Microsoft mailboxes). We found 10 Google/Microsoft alternatives in our tracker, 1 of them cheaper for the same setup. The cheapest is Puzzle Inbox (Outlook 365 inboxes (3 sends/day each)) at $11.37/mo.
Last updated 2026-10-23
Top alternatives by use case
$11.37/mo for 30 incl. domains.
Cheapest alternative with no stated minimum.
All InboxKit alternatives
| Platform | + 10 domains | Minimum | Warmup | Link | ||||
|---|---|---|---|---|---|---|---|---|
| Microsoft | $0.35 | $10.50 | $0.87 * | $11.37 | None stated | Optional | View pricing | |
| $3.00 | $90 | $8.72 * | $98.72 | None stated | Optional | View pricing | ||
Zapmail Google & Microsoft mailboxes |
GoogleMicrosoft | $3.30 † | $99 | $8.72 * | $107.72 | 10 mailboxes (starter plan, third-party) | Optional | View pricing |
Hypertide Google inboxes |
$3.30 | $99 | $8.72 * | $107.72 | None | No | View pricing | |
Cheap Inboxes Google & Microsoft mailboxes |
GoogleMicrosoft | $3.50 | $105 | $8.33 | $113.33 | None stated | Unclear | View pricing |
Premium Inboxes Google & Microsoft mailboxes, done-for-you |
GoogleMicrosoft | $3.50 | $105 | $8.72 * | $113.72 | No monthly commitment | No | View pricing |
Mailpool Google Workspace inboxes |
$4.00 | $120 | $8.72 * | $128.72 | None stated | Unknown | View pricing | |
Primeforge Google Workspace & Microsoft 365 mailboxes |
GoogleMicrosoft | $4.50 | $135 | $11.67 | $146.67 | 10 mailbox slots | No | View pricing |
Inframail Microsoft-backed inboxes, flat fee |
Microsoft | Flat plan † | $147 | $8.72 * | $155.72 | Flat plan | No | View pricing |
Mailpool Microsoft 365 inboxes |
Microsoft | $5.00 | $150 | $8.72 * | $158.72 | None stated | Unknown | View pricing |
Total = list price for 30 mailboxes on the cheapest plan that fits + 10 sending domains amortised monthly. * Domain price unknown or bring-your-own: reference .com at $10.46/yr. † Price from a third-party comparison. € rows are in euros excl. VAT and are excluded from "cheapest" badges. Monthly billing, list prices, checked 2026-10-23.
Frequently asked questions
What is the cheapest alternative to InboxKit?
Puzzle Inbox (Outlook 365 inboxes (3 sends/day each)) at $11.37/mo for 30 mailboxes incl. domains, vs $98.72/mo for InboxKit.
How many InboxKit alternatives are there?
MailboxWatch tracks 10 offerings on the same platform (Google/Microsoft), listed in the table on this page.
How do you compare InboxKit alternatives?
On total monthly list price for 30 mailboxes plus 10 domains, with minimums, warmup and sending caps shown. Prices checked 2026-10-23.