Does Certainly or Siena have a free plan?

Certainly is a paid tool. Siena is a paid tool. Always verify current pricing directly with the vendor.

Certainly vs Siena

Q: Can I use Certainly and Siena together?

Yes, many teams use both tools together for different purposes. Use the Stack Builder section above to combine Certainly and Siena with other tools and save your AI toolkit.

Comprehensive side-by-side comparison — features, pricing, performance, and more.

Updated June 2026

Certainly

Certainly Group ApS

Create fans with a digital twin of your best agent, resolving tickets and driving loyalty.

0.0(0)

PAID

92% data quality

Siena

Siena Labs Inc.

Empathic AI CX agents designed for commerce.

0.0(0)

ENTERPRISE

91% data quality

Trust & Reliability

Certainly

Uptime:99.9%Status page

Users:1K-10K

Customers (per vendor):Fintiba, QuadLock, Feastables +4

GDPR

Overall Winner: Siena

6.8/10 vs Certainly at 6.3/10

Leads in:

Integrations

Ease of Use

Value for Money

AI Comparison Summary

Certainly

6.3

avg score

Siena

6.8

avg score

Siena leads overall — particularly in Value for Money and Integration Power.

Based on 6 dimensions

How scores are calculated

Overall Winner

Siena

6.8 / 10

Certainly

Best For

Automating multi-step research workflows for analysts

Resolving customer support tickets instantly for large brands

Boosting e-commerce conversion rates with AI shopping assistants

Creating hyper-personalized marketing journeys for customer segments

Not Ideal For

Small businesses or individuals seeking self-service AI agent solutions

Users looking for transparent, fixed-price subscription models without sales engagement

Companies that prefer to build and manage their own AI agents from scratch without external expertise

Siena

Best For

E-commerce brands seeking to automate customer support

Retail companies aiming to drive sales through AI

Businesses looking to improve customer satisfaction and retention

CX teams needing to scale operations efficiently

Not Ideal For

Companies outside of e-commerce or retail

Businesses with very low customer interaction volumes

Organizations seeking a purely human-driven customer service approach

* Verdict is based on our algorithmic scoring of publicly available data. Learn about our methodology

Certainly is best for

🤖Automation & Agents8.0🎧Customer Support7.8🔍Research7.0

Siena is best for

🔍Research9.0🎧Customer Support8.2📊Data & Analytics7.0

Filter by your use case:

Pros & Cons

Certainly

Pros

Handles routine inquiries 24/7 with accurate, multilingual responses
Continuously monitors performance and optimizes AI agents based on real interactions
Provides seamless customer engagement across chat, email, social media, and QR codes
Guarantees customer data is never used for AI/ML model training, ensuring privacy
Offers dedicated onboarding and AI consulting services for comprehensive support
Includes CRM-driven personalization for highly relevant customer interactions

Cons

Pricing is enterprise-focused with no transparent, self-service tiers
Requires contacting sales for all subscription plans, indicating a sales-led process
All plans include annual conversation caps, with overage fees for exceeding limits

Siena

Pros

Automates up to 80% of customer interactions
Significantly faster response and resolution times
High customer satisfaction (average +94.7% CSAT)
Drives revenue through intelligent product recommendations
Seamless integration with existing commerce and helpdesk stacks
Maintains brand voice and tone consistency
Provides actionable business insights from customer interactions
Supports complex post-purchase and subscription workflows

Cons

Pricing is volume-based, potentially costly for very high ticket volumes
Requires integration with existing systems for full functionality
Specific AI models used are not disclosed
No explicit mention of multi-language support beyond 'translations' in agent assist
Focus primarily on commerce/retail, less suited for other industries

Weighted Score — Adjust What Matters to You

Pick a profile or drag sliders — scores and radar update instantly on the right.

Quick profiles:

Ease of Use5

Output Quality5

Value for Money5

Customizability5

Support & Ecosystem5

Integration Power5

Dimension Comparison

Certainly

6.3

/ 10

Siena

6.8

/ 10

Your pick

Dimension Breakdown

Ease of Use

How easy it is to get started and use daily

Certainly

6.0

Siena

7.0▲ +1.0

Output Quality

Quality and accuracy of generated results

Certainly

8.0

Siena

8.0

Value for Money

Cost vs. features and output quality

Certainly

5.0

Siena

7.0▲ +2.0

Customizability

Calculated

Ability to tailor to specific needs

Certainly

6.0▲ +1.0

Siena

5.0

Support & Ecosystem

Documentation, community, and support quality

Certainly

7.0▲ +1.0

Siena

6.0

Integration Power

Calculated

Ability to connect with other tools and workflows

Certainly

6.0

Siena

8.0▲ +2.0

Calculated = derived from verified integration count and API/open-source signals. AI = LLM-assessed from public website content. Methodology

Task Performance

Certainly

Task

Siena

8.0

Ticket Management

8.0

9.0

Auto Resolution

9.0

6.0

Knowledge Base

5.0

7.0

Live Chat

7.0

6.0

Sentiment Analysis

7.0

Escalation Rules

8.0

Multi Channel Support

7.0

Response Templates

8.0

6.0

Sla Tracking

7.0

Customer Satisfaction

9.0

* Task scores (1–10) are algorithmically generated from publicly available data.

Data is sourced from public information and vendor websites. It may not always be up-to-date — verify pricing and features directly with the vendor before purchasing.Report inaccuracy

Frequently Asked Questions

Which is better, Certainly or Siena?

Both are strong options. Certainly has a rating of 0.0/5 (0 reviews), while Siena has a rating of 0.0/5 (0 reviews). The best choice depends on your specific use case, budget, and workflow requirements.

Is Certainly cheaper than Siena?

Certainly starts at free (paid model). Siena starts at $750/month (enterprise model). Use the Cost Calculator above for a detailed estimate.

What are the main differences between Certainly and Siena?

Certainly — "Create fans with a digital twin of your best agent, resolving tickets and driving loyalty.". Siena — "Empathic AI CX agents designed for commerce.". Key differences include their pricing models, platform support, integrations, and technical capabilities. See the Feature Comparison table above for a complete side-by-side breakdown.

Can I use Certainly and Siena together?

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