Kayako vs osTicket: Complete Comparison 2026
An in-depth comparison of features, pricing, and user experience to help you make the right choice.
Kayako
Customer service platform for unified conversations across email, live chat, and social media channels.
osTicket
Open-source support ticket system with custom forms, auto-routing, and SLA tracking. Free self-hosted or $12/agent/mo cloud.
Quick Comparison
| Aspect | Kayako | osTicket |
|---|---|---|
| Best For | Companies wanting a unified view of customer interactions across channels | Organizations with strict data sovereignty requirements |
| Pricing Model | Free Trial | Open Source |
| Starting Price | $39/mo | Free |
| Deployment | cloud, on premise | cloud, self hosted |
| Platforms | WEB, IOS, ANDROID | WEB |
| Rating | 7.0/10 | 7.2/10 |
Pros & Cons
Kayako
Pros
- SingleView timeline gives agents complete customer context across channels
- On-premise option rare among modern help desk tools
- Messenger-style live chat with persistent conversations
- Mature product with 25 years of development behind it
- Clean, modern interface after the 2016 redesign
Cons
- Integration ecosystem significantly smaller than Zendesk or Freshdesk
- Reporting feels basic relative to the price point
- Big price jump from Essential ($39) to Scale ($99) with no middle tier
- Company leadership changes have created uncertainty about the roadmap
- No built-in phone/voice channel support
osTicket
Pros
- Truly free and open-source with no feature restrictions
- Self-hosted option gives complete data ownership and privacy
- Custom forms are flexible enough for complex intake workflows
- Clean PHP codebase that developers can extend and modify
- Low resource requirements — runs on a basic LAMP server
- Active community with plugins for extended functionality
Cons
- No built-in live chat, phone, or social media channels
- UI design is functional but visually outdated
- Self-hosted version requires server management skills
- Reporting and analytics are very basic
- No native mobile app — only responsive web interface
- Lacks automation features that paid competitors offer
Pricing Comparison
| Product | Pricing Model | Starting Price |
|---|---|---|
| Kayako | free trial | $39/mo |
| osTicket | open source | Free0 |
Our Verdict
Choose Kayako if...
Companies wanting a unified view of customer interactions across channels
Choose osTicket if...
Organizations with strict data sovereignty requirements
Still Not Sure?
Explore more alternatives or read in-depth reviews to make your decision.