Best Shared Inbox Software in 2026
Updated
In short: Help Scout is ranked #1 of 30 as of 4 October 2026, ahead of Zavu Inbox and Cerb. The best-ranked option with a free plan is Zavu Inbox. The lowest first paid tier on this page is Zoho TeamInbox at $0.99/mo.
Shared inbox tools help teams manage messages that need attention from more than one person. Compared on assignment automation and collision detection, they give you a way to assess how teams coordinate ownership and avoid overlapping replies. Internal comments, supported mail platforms, and shared mailbox coverage can help narrow the operational fit; mobile apps matter if people handle conversations away from their desks. Help Scout, Cerb, and Drag are among the options to compare. Check free-plan availability and paid-from pricing alongside the capabilities your team needs to keep incoming conversations moving.
30 shared inbox software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Shared Inbox Software, one module each. A lit port is something its maker publishes; 8 of the 25 on this page have a public API.
- 01 Help Scout API yesOSS not on recordFREE yesDOCS 7.4$25/mo
- 02 Zavu Inbox API yesOSS not on recordFREE yesDOCS 7.3$20/mo
- 03 Cerb API yesOSS not on recordFREE not on recordDOCS 6.8
- 04 Drag API yesOSS not on recordFREE not on recordDOCS 6.8$12/mo
- 05 Hiver API yesOSS not on recordFREE not on recordDOCS 6.8$25/mo
- 06 Sortd API yesOSS not on recordFREE not on recordDOCS 6.7$10/mo
- 07 Front API yesOSS not on recordFREE not on recordDOCS 6.6$25/mo
- 08 SupportBee API yesOSS not on recordFREE not on recordDOCS 6.5$17/mo
- 09 Zoho TeamInbox API not on recordOSS not on recordFREE yesDOCS 6.0$0.99/mo
- 10 MailStack API not on recordOSS not on recordFREE yesDOCS 5.8Free
- 11 Coherence API not on recordOSS not on recordFREE yesDOCS 5.7$12/mo
- 12 Maxdesk API not on recordOSS not on recordFREE yesDOCS 5.7$20/mo
- 13 Sharebox API not on recordOSS not on recordFREE yesDOCS 5.6$79/mo
- 14 Helpwise API not on recordOSS not on recordFREE not on recordDOCS 5.4$15/mo
- 15 Loop Email API not on recordOSS not on recordFREE not on recordDOCS 5.4$18.75/mo
- 16 Missive API not on recordOSS not on recordFREE not on recordDOCS 5.3$14/mo
- 17 Gmelius API not on recordOSS not on recordFREE not on recordDOCS 5.2$19/mo
- 18 ShareMail API not on recordOSS not on recordFREE not on recordDOCS 5.2$6/mo
- 19 Emailgistics API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 20 Serif API not on recordOSS not on recordFREE not on recordDOCS 5.1$30/mo
- 21 Shared Inbox by Canary API not on recordOSS not on recordFREE not on recordDOCS 5.1$10/mo
- 22 Team Engine API not on recordOSS not on recordFREE not on recordDOCS 5.1$500/mo
- 23 Trengo API not on recordOSS not on recordFREE not on recordDOCS 5.1€299/mo
- 24 Keeping API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 25 Sektra AI API not on recordOSS not on recordFREE not on recordDOCS 5.0
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which shared inbox software is ranked first on Inferse?
Help Scout is ranked #1 of 30 with a score of 7.4. Zavu Inbox is second and Cerb third.
How many of these have a free plan?
7 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Zoho TeamInbox has the lowest first paid tier we found: $0.99/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.