Five9 vs Kustomer
The advisor verdict
Different tools for different centers: Five9 is the voice-centric CCaaS workhorse with the best outbound dialer; Kustomer is a CRM-first digital service platform — unified customer timelines, automation and AI for chat/email/social-heavy teams. Phone-heavy operations → Five9. Digital-first support with CRM depth → Kustomer.
At a glance
| Five9 | Kustomer | |
|---|---|---|
| Starting price (list) | typically about $119–149+ per seat/month (list) | from about $89 per user/month (list) |
| Pricing model | Per-seat monthly subscription, typically annual contract | Per-seat subscription (typically annual) |
| Best segments | Mid-market, Enterprise | Mid-market, Enterprise |
| Founded | 2001 | 2015 |
| Headquarters | San Ramon, California | New York, New York |
Five9 is best for
Five9 suits voice-heavy and outbound operations of 50+ agents.
Kustomer is best for
Kustomer suits digital-first consumer support teams that live on chat, email and social.
Feature comparison
| Feature | Five9 | Kustomer |
|---|---|---|
| Omnichannel routing (Genius) | ✓ | — |
| Predictive & power dialing | higher tiers | — |
| Workforce management | higher tiers | — |
| AI (Intelligent Virtual Agent) | add-on | — |
| CRM integrations (Salesforce | ✓ | — |
| Real-time & historical reporting | ✓ | — |
| Unified CRM timeline | — | ✓ |
| Omnichannel digital (chat/email/social) | — | ✓ |
| Voice | — | add-on |
| AI bots & automation | — | higher tiers |
| Reporting & QA | — | higher tiers |
Feature availability varies by plan tier; full snapshots on the Five9 review and Kustomer review.
Pros & cons
Five9
- Best-in-class predictive/power dialer for outbound
- Mature workforce management and quality assurance
- Large integration marketplace and open APIs
- Deep pool of certified implementation partners
- Implementation effort real; budget admin time or partners
- UX modernization ongoing — some consoles feel legacy
Kustomer
- Unified CRM timeline across every channel
- Strong automation/AI for routine deflection
- Modern agent workspace
- Flexible objects/data model
- Voice/telephony lighter than CCaaS leaders
- Pricing climbs with add-ons
Our recommendation
Different tools for different centers: Five9 is the voice-centric CCaaS workhorse with the best outbound dialer; Kustomer is a CRM-first digital service platform — unified customer timelines, automation and AI for chat/email/social-heavy teams. Phone-heavy operations → Five9. Digital-first support with CRM depth → Kustomer.
Comparison is editorial and independent. Pricing references published list rates as of September 2026 and changes frequently. Vendor names are trademarks of their respective owners; The VoIP Advisors is independent and not affiliated with either vendor.