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Customer Support · head to head

Kustomer vs Zendesk Sunshine Conversations

Kustomer logo

Kustomer

Customer Support

The future of customer service

From
On request
Rated
-
Full reviewWebsite
Zendesk Sunshine Conversations logo

Zendesk Sunshine Conversations

Live Chat

Omnichannel messaging and customer engagement platform

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Kustomer pricing not published; requires customised sales assessment and quote for exact costs; Zendesk Sunshine Conversations cannot be purchased standalone; requires expensive Zendesk Suite Professional or higher plans
  • They diverge on capability: Kustomer covers Unified customer view, Zendesk Sunshine Conversations covers Live chat.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Kustomer and Zendesk Sunshine Conversations actually diverge.

Attributes where Kustomer and Zendesk Sunshine Conversations differ
AttributeKustomerZendesk Sunshine Conversations
Pricing modelquotesubscription
PlatformsWeb, CloudWeb, iOS, Android
CategoryCustomer SupportLive Chat

Identical on both: starting price (On request), free tier (No), user rating (Not yet rated), founded (2015).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Kustomer

  • Unified customer view
  • AI automation
  • Omnichannel
  • Workflow automation
  • Knowledge base
  • Analytics
  • Shopify
  • Magento

Only in Zendesk Sunshine Conversations

  • Live chat
  • SMS messaging
  • Facebook Messenger
  • WhatsApp integration
  • Salesforce
  • Zendesk Support
  • Slack
  • API

Both cover

  • Web support
  • Android support

What people use each for

The jobs each tool is most often brought in to do.

Kustomer

  • Large B2C and B2B organisations managing 600+ customer support interactions across omnichannel platformsnot Zendesk Sunshine Conversations
  • Retail, financial services, travel and hospitality sectors requiring integrated AI-powered supportnot Zendesk Sunshine Conversations
  • Enterprises seeking customer 360 views and advanced workflow automationnot Zendesk Sunshine Conversations

Zendesk Sunshine Conversations

  • Customer engagementnot Kustomer
  • Lead generationnot Kustomer
  • Customer supportnot Kustomer
  • Sales automationnot Kustomer

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Kustomer

  • Pricing not published; requires customised sales assessment and quote for exact costs
  • Voice (call), SMS, and WhatsApp support operate on separate pay-as-you-go pricing models
  • Customisation-based pricing structure means no transparent cost comparison with competitors

Zendesk Sunshine Conversations

  • Cannot be purchased standalone; requires expensive Zendesk Suite Professional or higher plans
  • Low included monthly active users (1,000 MAU) and notifications (1,000) necessitate paid add-ons for most businesses
  • Custom implementations require developer resources for webhooks and API configuration

Pricing, plan by plan

Kustomer

On request

No published plan breakdown. See the Kustomer review.

Zendesk Sunshine Conversations

On request
  • Team$19/month
    • Chat + messaging
    • Basic features
    • Limited agents
  • Growth$49/month
    • Omnichannel
    • Advanced automation
    • Routing
  • Professional$99/month
    • All features
    • Custom workflows
    • Premium support

Which should you pick?

Choose Kustomer if

  • You need unified customer view.
  • You work on Web, Cloud.
  • You also want ai automation.
Kustomer review

Choose Zendesk Sunshine Conversations if

  • You need live chat.
  • You work on Web, iOS, Android.
  • You also want sms messaging.
Zendesk Sunshine Conversations review

Questions people ask

Is Kustomer or Zendesk Sunshine Conversations better?
Neither clearly leads. Kustomer starts at On request and Zendesk Sunshine Conversations at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Kustomer or Zendesk Sunshine Conversations?
Kustomer starts at On request and Zendesk Sunshine Conversations at On request.
Does Kustomer or Zendesk Sunshine Conversations run on more platforms?
Kustomer runs on Web, Cloud. Zendesk Sunshine Conversations runs on Web, iOS, Android.
What is Kustomer best used for?
Kustomer is most often used for large b2c and b2b organisations managing 600+ customer support interactions across omnichannel platforms, retail, financial services, travel and hospitality sectors requiring integrated ai-powered support, enterprises seeking customer 360 views and advanced workflow automation. Of those, large b2c and b2b organisations managing 600+ customer support interactions across omnichannel platforms and retail, financial services, travel and hospitality sectors requiring integrated ai-powered support are not what Zendesk Sunshine Conversations is typically brought in for.
What can Kustomer do that Zendesk Sunshine Conversations cannot?
Kustomer covers Unified customer view, AI automation, Omnichannel, Workflow automation. Zendesk Sunshine Conversations covers Live chat, SMS messaging, Facebook Messenger, WhatsApp integration. Both handle Web support, Android support.

Answered from the vendors’ own pages

Kustomer: How much does Kustomer cost?

Kustomer uses a custom, quote-based pricing model and does not publish standard rates. Every CX team setup is different, so pricing varies based on company size, number of support agents, and monthly conversation volume.

Source
Zendesk Sunshine Conversations: Can I buy Zendesk Sunshine Conversations standalone?

No. Sunshine Conversations is only available with Zendesk Suite Professional, Enterprise, or Enterprise Plus plans. It cannot be purchased as a standalone product.

Source
Kustomer: How do I get a Kustomer pricing quote?

Complete a 2-minute ROI calculator assessment that gathers information about your industry, company size, agent count, and monthly conversation volume. Results provide directional pricing estimates before sales connects with you.

Source
Zendesk Sunshine Conversations: What messaging channels does Sunshine Conversations support?

Sunshine Conversations connects 15+ messaging channels including WhatsApp, Facebook Messenger, Instagram, Telegram, SMS, and provides a Web Widget for on-site chat.

Source
Kustomer: Are there add-on costs for Kustomer features?

Yes, add-on services include HIPAA Enabled Subscription, implementation services, Voice, SMS, and WhatsApp support on a pay-as-you-go model.

Source
Zendesk Sunshine Conversations: What are the usage limits on Zendesk Sunshine Conversations?

The base includes 1,000 Monthly Active Users and 1,000 notifications per month. Additional usage requires $50 add-ons for each 2,500 MAU pack or $50 for each 25,000 notification pack.

Source
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