MailSlurp: Free & Phone number capacity increased
What happened
Between the Aug 24, 2026 and Aug 31, 2026 captures of MailSlurp's pricing page, Pulse recorded 2 changes: Free plan inbox retention: 1 reusable inbox -> up to 50 retained inboxes; Phone numbers: Pro 3->5, Team 10->35 (usage-based). In detail: Free plan inbox retention increased from 1 reusable inbox to up to 50 retained inboxes; Phone numbers capacity increased in the plan comparison table: Pro from up to 3 to up to 5, Team from up to 10 to up to 35 (usage-based). Pulse files it as a packaging change (limit increase) with an upward direction. Pulse's latest capture (Oct 12, 2026) lists Starter at $19.17, Pro at $45.83, Growth at $116.67, Inbox placement at $1 per test and Device rendering at $0.5 per render.
It lands 179 days after MailSlurp's previous change, "MailSlurp reveals $250 per-seat pricing for user add-on" (Mar 4, 2026). MailSlurp has been tracked since 2026-02-28.
In the same window HubSpot, Klaviyo and Mailchimp also changed their Software Development & Testing pricing pages. Those moves are listed further down, and the Pulse Agent can compare them side by side.
- — · LimitChanged
Before1 reusable inbox
Afterup to 50 retained inboxes
- Pro · LimitChangedup3 to up to 5
| Plan | Field | Before | After | Change |
|---|---|---|---|---|
| — | Limit | 1 reusable inbox | up to 50 retained inboxes | Changed |
| Pro | Limit | up | 3 to up to 5 | Changed |
Values as written on MailSlurp's public pricing page in the two captures Pulse compared; where the page states no number, the cells give the wording before and after.
Evidence
The two captures Pulse comparedFull-page captures of MailSlurp's pricing page (mailslurp.com) from Aug 24, 2026 and Aug 31, 2026; the change is marked near the top of the page, where "1 reusable inbox" becomes "up to 50 retained inboxes".
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The two full-page captures with this change marked up are free with an account.
MailSlurp, pricing history
Full history- Oct 5, 2026packagingMailSlurp adds $0.01/credit email warmup usage rate + 1 more change
- Sep 21, 2026packagingMailSlurp adds AI token disclosures and email warm-up as usage caps quietly c...
- Sep 7, 2026improvedMailSlurp kills paid trials for Pro and Team, points users to Free plan
- Aug 31, 2026improvedMailSlurp: Free & Phone number capacity increased · this change
- Mar 4, 2026packagingMailSlurp reveals $250 per-seat pricing for user add-on
Across Software Development & Testing in the same window
All Software Development & Testing changesQuestions about this change
Did MailSlurp raise prices in August 2026?
No list-price increase was recorded between Aug 24, 2026 and Aug 31, 2026. The change Pulse detected was a packaging change: limit increase.
What changed on MailSlurp's pricing page between Aug 24, 2026 and Aug 31, 2026?
Limit: 1 reusable inbox → up to 50 retained inboxes, changed; Pro limit: up → 3 to up to 5, changed. Pulse compared the captures it took on Aug 24, 2026 and Aug 31, 2026; the before/after table above lists each item as written on the page.
How often does MailSlurp change its pricing?
Pulse recorded 0 other pricing-page changes for MailSlurp in the 90 days before this one; the previous change was "MailSlurp reveals $250 per-seat pricing for user add-on" on Mar 4, 2026; MailSlurp has been tracked since 2026-02-28.