respond.io
Communication
From$99/mo
10 people: $99 a month · $1,188 a year
- No free plan
- Up to 20% off yearly
- No startup credits listed
- 3 plans · priced per plan
respond.io vs Slack: pricing compared
Plans, list prices and what a team of 5, 10 or 25 pays on each, from Surba's catalog of Communication tools. Updated for 2026.
At a glance
Side by side
respond.io starts at $99/mo (Starter) and Slack at $8.75/user/mo (Pro). For 10 people that's $99 vs $87.50 a month: Slack is $11.50 a month (12%) cheaper than respond.io on list price.
Slack
Cheaper for 10 people
From$8.75/user/mo
10 people: $87.50 a month · $1,050 a year
- Free plan
- Up to 17% off yearly
- $2,500 startup credits
- 4 plans · priced per user
Plans
respond.io and Slack plans
Every plan with a public price, in US dollars.
respond.io
Starter
5 users · Team inboxes · AI Assist
$99/mo
Growth
10 users · Broadcasts and workflows · AI Agents
$199/mo
Advanced
10 users · Multiple workspaces · SSO and webhooks
$349/mo
Annual: $79/$159/$279 per month. Priced by monthly active contacts from 1,000. Enterprise: custom. Malaysia-founded.
Prices from respond.io's pricing page, checked 26 Oct 2026.
Slack
Free
90 days of message history · Up to 10 apps · 1:1 meetings
Free
Pro
Unlimited message history · Unlimited app integrations · Group meetings
$8.75/user/mo
Business+
Advanced AI incl. Slackbot agent · AI workflow generation · External messaging with 250 orgs
$18/user/mo
Enterprise+
Enterprise search · Multiple SAML configurations · Granular roles
$45/user/mo
Annual: Pro $7.25, Business+ $15/user/mo. Enterprise+ $45/user/mo annual only (contact sales).
Prices from Slack's pricing page, checked 26 Oct 2026.
Team cost
What each costs your team
Entry paid plans, per month and per year at list price.
| Team | respond.io (Starter) | Slack (Pro) | Difference |
|---|---|---|---|
| 5 people | $99/mo$1,188/yr a year | $43.75/mo$525/yr a year | Slack $55.25 less a month |
| 10 people | $99/mo$1,188/yr a year | $87.50/mo$1,050/yr a year | Slack $11.50 less a month |
| 25 people | $99/mo$1,188/yr a year | $218.75/mo$2,625/yr a year | respond.io $119.75 less a month |
respond.io is priced per plan. Slack is priced per user. Per-user prices are multiplied by the team; per-plan prices aren't. Before tax; yearly discounts not applied.
FAQ
respond.io vs Slack: questions
Which is cheaper, respond.io or Slack?
respond.io starts at $99/mo (Starter) and Slack at $8.75/user/mo (Pro). For 10 people that's $99 vs $87.50 a month: Slack is $11.50 a month (12%) cheaper than respond.io on list price. Compare features too: the cheaper plan isn't always the closer match.
Do respond.io and Slack have free plans?
respond.io has no free plan in Surba's catalog. Slack has a free plan (Free).
Are respond.io and Slack cheaper if you pay yearly?
respond.io lists up to 20% off yearly billing. Slack lists up to 17% off yearly billing.
More comparisons
Other Communication comparisons
Paying for respond.io or Slack? Track it in Surba.
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