Kayako vs Respond.io
Kayako is customer service software that scales with your business. Best suited for traditional businesses focused on email and phone support. Known for its comprehensive knowledge base with customer portal.
Respond.io is aI-powered omnichannel messaging platform for customer engagement. Best suited for sales-oriented teams needing AI agents, broadcast messaging, and CRM integrations for lead-to-customer conversion. Known for its aI Agents that handle complex conversations, qualify leads, and trigger workflow automations without human intervention.
Kayako Respond.ioKayako and Respond.io represent different approaches to customer service technology. Kayako offers a traditional helpdesk platform with unified customer conversations, while Respond.io focuses specifically on messaging channels and modern communication preferences.
The decision often comes down to whether you need comprehensive helpdesk features or specialized messaging capabilities.
What features does Kayako offer?
Kayako's feature set is built around its target customer base, a key differentiator against Respond.io. It uses a usage-based pricing model starting at From $1/mo, a different approach from Respond.io's usage-based structure. The features split across channel coverage, automation depth, AI tooling, and team management. Converge ($49/month flat for up to 15 agents) covers all of these in its base subscription.
What features does Respond.io offer?
Respond.io's feature set is built around its target customer base, a key differentiator against Kayako. It uses a usage-based pricing model starting at From $79/mo, a different approach from Kayako's usage-based structure. The features split across channel coverage, automation depth, AI tooling, and team management. Converge ($49/month flat for up to 15 agents) covers all of these in its base subscription.
How do Kayako and Respond.io compare on features?
Kayako and Respond.io compete in the same category but tune their feature sets for different team profiles. The material differences cluster around channel coverage, automation depth, reporting, and team management. The side-by-side below draws on aggregated G2 and Capterra reviews. A flat-rate alternative like Converge ($49/month for up to 15 agents) may sidestep the trade-off entirely.
Kayako provides a unified customer service platform with features like customer journey tracking, live chat, and comprehensive reporting. It excels at giving agents complete context about customer interactions across multiple touchpoints.
Respond.io specializes in messaging-first customer support with robust WhatsApp Business API integration, automated workflows, and team collaboration features. It's built specifically for businesses that prioritize conversational messaging over traditional ticketing systems.
While Kayako offers broader helpdesk functionality, Respond.io provides deeper capabilities for messaging-based customer interactions.
How much do Kayako and Respond.io cost?
Kayako starts at From $1/mo (usage-based); Respond.io starts at From $79/mo (usage-based). Converge is $49/month flat for up to 15 agents with all channels and AI included.
Kayako charges $15-$35 per agent per month, positioning itself in the mid-range of helpdesk solutions. This per-agent model works well for smaller teams but costs can add up quickly as you scale.
Respond.io uses flat-rate pricing at $79-$299 per month regardless of agent count, which becomes more economical for larger teams. Their pricing is based on features and message volume rather than team size.
For a 10-person support team, Kayako would cost $150-$350 monthly, while Respond.io's flat rate could provide significant savings.
Kayako Pricing
Respond.io Pricing
What are Kayako's strengths and limitations?
Kayako's biggest strengths cluster around what reviewers consistently single out as its standout capability, which is what makes it a strong fit for traditional businesses focused on email and phone support. Its limitations cluster around pricing-model fit at smaller team sizes and around channel coverage gaps relative to a messaging-first inbox. The detailed lists below come from aggregated G2 and Capterra reviews plus our own internal customer-pipeline reports — teams that are using Kayako today as their primary inbox, plus teams that evaluated and ultimately rejected it during their selection process. Read them carefully side-by-side with Respond.io's breakdown lower on this page to decide which of the two platforms fits where your team is heading next quarter — or whether a flat-rate alternative like Converge ($49/month, up to 15 agents, all channels and AI included) is a better path entirely, sidestepping both vendors.
Strengths
- No seat fees in 2026 (Kay AI pricing pivot)
- Strong knowledge base functionality
- SingleView customer journey timeline across channels
- Good reporting capabilities
Limitations
- AI resolution fees scale linearly with ticket volume
- Platform pricing beyond Kay AI is quote-only
- Limited social media integrations
- No native WhatsApp, Telegram, Discord, or Zalo support
What are Respond.io's strengths and limitations?
Respond.io's biggest strengths cluster around what reviewers consistently single out as its standout capability, which is what makes it a strong fit for sales-oriented teams needing ai agents, broadcast messaging, and crm integrations for lead-to-customer conversion. Its limitations cluster around pricing-model fit at smaller team sizes and around channel coverage gaps relative to a messaging-first inbox. The detailed lists below come from aggregated G2 and Capterra reviews plus our own internal customer-pipeline reports — teams that are using Respond.io today as their primary inbox, plus teams that evaluated and ultimately rejected it during their selection process. Read them carefully alongside Kayako's breakdown earlier on this page to decide which of the two platforms fits where your team is heading next quarter — or whether a flat-rate alternative like Converge ($49/month, up to 15 agents, all channels and AI included) is a better path entirely, sidestepping both vendors.
Strengths
- Powerful AI Agents for automated customer conversations
- Visual workflow automation builder with conditional logic
- Strong broadcast messaging for marketing campaigns
- Good CRM integrations (HubSpot, Salesforce, Zapier, Make)
Limitations
- Monthly Active Contact (MAC) overage fees ($12 per 100 on Growth) make costs unpredictable as reply rates rise
- WhatsApp per-conversation fees add to base cost
- No Discord or Zalo support
- No free plan, only 7-day trial
Kayako or Respond.io: which should you pick?
Pick Kayako if your primary need maps to its standout capability and its pricing model works at your team size. Pick Respond.io if your team profile maps to its strengths instead. If neither fits — for example, a 3-15 agent team handling messaging channels (WhatsApp, Telegram, Messenger, Instagram, Discord, Zalo) wanting flat-rate pricing — Converge is $49/month flat for up to 15 agents, with all channels and AI tooling included.
Choose Kayako if you want a complete helpdesk solution with customer journey tracking and traditional support workflows. Choose Respond.io if messaging channels like WhatsApp are central to your customer communication strategy.
When should you choose Kayako or Respond.io?
Choose Kayako if: You need comprehensive helpdesk features with customer journey tracking and prefer traditional per-agent pricing.
Choose Respond.io if: Messaging channels are crucial to your support strategy and you want flat-rate pricing that scales with your team.
Consider Converge at $49/month flat rate if you need basic customer communication without the complexity of enterprise helpdesk features or specialized messaging tools.
Looking for more options? Browse all platform comparisons, or see all Kayako comparisons and all Respond.io comparisons.
Frequently Asked Questions
Kayako is best for Traditional businesses focused on email and phone support. Respond.io is best for Sales-oriented teams needing AI agents, broadcast messaging, and CRM integrations for lead-to-customer conversion. Kayako's standout feature is Comprehensive knowledge base with customer portal, while Respond.io offers AI Agents that handle complex conversations, qualify leads, and trigger workflow automations without human intervention.
Kayako starts at From $1/mo. Respond.io starts at From $79/mo. For flat-rate pricing, consider Converge at $49/month for up to 15 agents.
Kayako does not offer a free plan. Respond.io does not offer a free plan. Both are established platforms in the customer support space.
Kayako pros: No seat fees in 2026 (Kay AI pricing pivot); Strong knowledge base functionality. Respond.io pros: Powerful AI Agents for automated customer conversations; Visual workflow automation builder with conditional logic. Each platform has distinct strengths depending on your use case.
Choose Kayako for Traditional businesses focused on email and phone support. Choose Respond.io for Sales-oriented teams needing AI agents, broadcast messaging, and CRM integrations for lead-to-customer conversion. If you need messaging-first support with flat pricing, consider Converge as an alternative at $49/month for up to 15 agents.
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