Boomerang vs Zapmail
Boomerang (Google & Microsoft mailboxes) and Zapmail (Google & Microsoft mailboxes) are both Google/Microsoft reseller options. For 30 mailboxes on 10 domains, Boomerang is cheaper at $76.22/mo vs $107.72/mo for Zapmail, a difference of $31.50 a month ($378 a year).
Last updated 2026-11-02 · list prices, monthly billing
Verdict by use case
Side by side
| Boomerang | Zapmail | |
|---|---|---|
| Mailbox type | Google/Microsoft reseller | Google/Microsoft reseller |
| Platform | GoogleMicrosoft | GoogleMicrosoft |
| Per mailbox / month | $2.25 Flat $2.25 per mailbox per month for Google or Microsoft on the Boomerang Infra pricing table. No setup fees, no minimums, cancel anytime. (A banner on theboomerang.co says $1.80-$2.50 per Google inbox, but the pricing table lists only $2.25; we use the table.) No promo or first-month price listed. | $3.30 Plan prices ($39/10, $99/30, $299/100) from a third-party table (outboxes.io/compare); Zapmail's own page lists additional mailboxes at $3.50 / $3.25 / $3.00 by plan but plan totals did not render. |
| 30 mailboxes / month | $67.50 | $99 |
| + 10 domains / month | $8.72 * | $8.72 * |
| Total / month | $76.22 | $107.72 |
| Minimum | None stated | 10 mailboxes (starter plan, third-party) |
| Warmup | Yes | Optional |
| Sending cap | None published | None published |
| Price source | Provider page | Third-party table |
* Reference .com price used (provider domain price not published).
Frequently asked questions
Is Boomerang cheaper than Zapmail?
For 30 mailboxes + 10 domains on monthly list prices, Boomerang is cheaper: $76.22/mo vs $107.72/mo (checked 2026-11-02).
What's the difference between Boomerang and Zapmail?
Boomerang: Google & Microsoft mailboxes, $2.25 per mailbox, minimum none stated, warmup yes. Zapmail: Google & Microsoft mailboxes, $3.30 per mailbox, minimum 10 mailboxes (starter plan, third-party), warmup optional.
Which is better for cold email, Boomerang or Zapmail?
On price, Boomerang wins for a 30-inbox setup. Beyond price, compare platform (Google/Microsoft vs Google/Microsoft), minimums and warmup. MailboxWatch doesn't test deliverability.