Kommo vs Sierra Comparison
Compare Kommo vs Sierra features, pricing, and more.
Last updated: November 2026
Kommo
5.8/10
Kommo, formerly amoCRM, is a messaging-first sales CRM. It brings WhatsApp, Instagram, Messenger and TikTok chats into a pipeline, with bots and AI agents, for small sales teams.
Sierra
7.4/10
Sierra is an enterprise conversational AI platform that builds and runs customer service agents across chat, voice, SMS, WhatsApp and email.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 5.8/10 | 7.4/10 |
| Analytics | 4/10 | 8/10 |
| Cost | 6/10 | 2/10 |
| Customization | 6/10 | 9/10 |
| Ease of Use | 7/10 | 7/10 |
| Integration | 7/10 | 8/10 |
| Scalability | 5/10 | 9/10 |
| Security | 5/10 | 9/10 |
| Support | 4/10 | 8/10 |
| Output Quality | Not listed | 9/10 |
| Pricing | ||
| Free plan | No | No |
| Cheapest paid plan | $25/user/mo Base | Contact for pricing |
| Estimated cost for 10 users | $350/mo Advanced | Contact for pricing |
| Features | ||
| AI Agents | Not listed | |
| Chatbots | Not listed | |
| Enterprise Controls | Not listed | |
| Knowledge Base Search | Not listed | |
| Text Generation | Not listed | |
| Voice and Audio | Not listed | |
| Workflow Automation | Not listed | |
| More features | ||
| Marketing Automation | Not listed | |
| Collaboration | Not listed | |
| Lead Management | Not listed | |
| Integrations | Not listed | |
| Sales Automation | Not listed | |
| Opportunity Management | Not listed | |
| Contact Management | Not listed | |
| Reporting & Analytics | Not listed | |
| Mobile Access | Not listed | |
Kommo vs Sierra cost by team size
| Team size | Kommo | Sierra |
|---|---|---|
| 1 user | $35/moAdvanced | Contact for pricing |
| 5 users | $175/moAdvanced | Contact for pricing |
| 10 users | $350/moAdvanced | Contact for pricing |
| 25 users | $875/moAdvanced | Contact for pricing |
| 50 users | $1,750/moAdvanced | Contact for pricing |
The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.
Which One Should You Choose?
Why choose Kommo
- Higher Cost score (6/10 vs 2/10)
- Better fit for small business (8/10 vs 1/10)
- Better fit for startups (6/10 vs 3/10)
Why choose Sierra
- Higher Analytics score (8/10 vs 4/10)
- Higher Scalability score (9/10 vs 5/10)
- Better fit for enterprise (10/10 vs 4/10)
Pros & Cons
Kommo
Pros
- The unified inbox ties WhatsApp, Instagram, Messenger and TikTok chats directly to leads and deals.
- No-code bots and automatic lead assignment cut manual follow-up for chat-heavy sales teams.
- Reviewers on Techjockey rate it 4.6 out of 5 for value against larger enterprise CRMs.
- A 14-day free trial gives full access with no credit card required.
- An open API and documentation are praised by developer reviewers.
Cons
- There is no monthly billing; the shortest term is 6 months paid upfront.
- Bots, automation and broadcasting are not on the Base plan.
- Reporting is basic and custom reports are limited, per user reviews.
- Reviewers report slow support (24 to 48 hours) and occasional instability.
- Calling needs a third-party Twilio or RingCentral account rather than native telephony.
Sierra
Pros
- Outcome-based billing means customers usually pay only for resolved conversations or other agreed results, not for each seat.
- Three build options cover both CX teams and engineers: the no-code Agent Studio, the code-first Agent SDK, and Ghostwriter for building agents from SOPs.
- One agent runs across chat, voice, SMS, WhatsApp, email and ChatGPT, keeping context between channels.
- Its list of compliance attestations is broad, covering SOC 2, ISO 27001, ISO 42001, HIPAA, PCI DSS and FedRAMP.
- It has a strong roster of enterprise customers, including SiriusXM, ADT, Rocket Mortgage and SoFi.
Cons
- There is no public pricing, and competitor estimates put annual contracts at about $150,000 or more.
- There is no self-serve or trial tier, so small teams cannot try it on their own.
- Implementation is largely vendor-led, which can make customers depend on Sierra's team for changes.
- There are few public reviews (7 on Gartner Peer Insights) to verify claims against.
- Some reviewers say voice quality still falls short of human level, and that complex telephony setups depend on how far the integration goes.
Not sold on either?
Frequently Asked Questions
Sierra scores higher on our AI Software criteria: 7.4/10 against 5.8/10 for Kommo. The largest gap is in Analytics: 4/10 for Kommo and 8/10 for Sierra.
No, neither Kommo nor Sierra lists a free plan.
Kommo is the better fit for small business: we rate it 8/10 for them, against 1/10 for Sierra.
