Live chat software pricing is rarely what it seems. The advertised price is the starting point. Add-ons, overage charges, AI conversation fees, and premium support can double or triple your monthly bill.
This article cuts through the pricing complexity. It compares the true cost of 10 popular live chat tools, including the fees that most pricing pages hide.
The Pricing Landscape: 4 Models
Model 1: Free Forever
Tool | Monthly Cost | What You Get |
$0 | Unlimited chats, no branding, social links, Calendly, offline form | |
$0 | Unlimited chats, with branding, visitor monitoring, ticketing |
True cost: $0/month. There are no hidden fees because there are no paid plans to upgrade to (in Knocket’s case) or the paid features are clearly separate from the free plan (in Tawk.to’s case).
Free TrialModel 2: Freemium (Free + Paid Upgrade Path)
Tool | Free Plan | Paid Starts At | Main Upgrade Reason |
50 chats/mo, with branding | $29/mo | AI chatbot, branding removal, more chats | |
2 agents, 30-day history, with branding | $25/mo | Unlimited agents, chatbot, CRM | |
10 agents, with branding | $15/mo | AI chatbot, branding removal | |
1 agent, 100 chats/mo, with branding | $19.5/mo | More agents, session recording | |
1 agent, with branding | $20/mo | Advanced chat flows, CRM features |
True cost: The free plan cost is $0, but most businesses outgrow it within 1-3 months. The actual monthly cost after upgrading ranges from $15 to $95 depending on the tool and team size.
Model 3: Per-Agent Per-Month
Tool | Entry Plan | Mid Plan | Top Plan |
$20/agent/mo | $40/agent/mo | Custom | |
$39/agent/mo | $99/agent/mo | $139/agent/mo | |
$19/agent/mo | $55/agent/mo | $115-169/agent/mo |
True cost: The entry plan price multiplied by the number of agents, plus add-ons. For a 5-person team using Intercom’s mid plan, the base cost is $495/month. With AI features ($35-50/agent/month extra) and premium support (20% of contract value), the total can reach $700-800/month.
Model 4: Usage-Based
Tool | Pricing Basis | Example Cost |
Per AI message | $39/mo (2,000 messages) to $399/mo (40,000 messages) | |
Per AI resolution | $0.99/resolution |
True cost: Highly variable based on chat volume. For businesses with 100+ AI conversations per day, usage-based pricing can become expensive quickly.
True Cost per Conversation Analysis
To make pricing comparable across tools, we calculated the effective cost per conversation at different monthly volumes:
Tool | 100 chats/mo | 500 chats/mo | 1,000 chats/mo | 5,000 chats/mo |
Knocket | $0.00 | $0.00 | $0.00 | $0.00 |
Tawk.to | $0.00 | $0.00 | $0.00 | $0.00 |
Tidio (Starter) | $0.29 | $0.29 | $0.29 | Overage fees |
Crisp (Pro) | $0.25 | $0.19 | $0.19 | $0.19 |
Freshchat (Growth) | $0.30 | $0.30 | $0.30 | $0.30 |
LiveChat (Team) | $0.40 | $0.40 | $0.40 | $0.40 |
Intercom (Starter) | $0.39 | $0.39 | $0.39 | $0.39 |
Zendesk (Suite Team) | $0.55 | $0.55 | $0.55 | $0.55 |
Assumptions: 1 agent for Knocket/Tawk.to/Crisp flat rate; 5 agents for per-seat tools. Actual costs vary based on plan tier and add-ons.
Key insight: Free tools (Knocket, Tawk.to) have a $0 cost per conversation regardless of volume. Paid tools range from $0.19 to $0.55+ per conversation at typical volumes.
Hidden Fees to Watch For
1. AI Conversation Surcharges
Many tools charge extra for AI chatbot conversations beyond a monthly allocation:
● Tidio: Lyro AI conversations are limited based on plan tier; overages cost extra
● Intercom: Fin AI costs $0.99 per AI resolution, on top of the base subscription
● Zendesk: AI Agent costs an additional $35-50/agent/month, according to CostBench’s analysis
2. Overage Charges
Tools with conversation limits charge overage fees when you exceed your plan:
● Tidio: Overage fees apply after hitting your plan’s conversation limit
● Chatbase: Overage fees apply after hitting your message limit
3. Premium Support
Most tools charge extra for priority or dedicated support:
● Zendesk: Premier Support costs 20% of your contract value
● Intercom: Priority support requires higher-tier plans
● LiveChat: Priority support requires the $40/agent/month plan
4. Annual Renewal Increases
Enterprise tools often increase prices at renewal:
● Zendesk: Standard 7% annual increase, up to 15% in some contracts, per CostBench
● Intercom: Prices have increased 10-20% over the past two years based on user reports
5. Seat Reduction Penalties
If you reduce the number of agents on your plan, some tools charge more per seat:
● Zendesk: Reducing seats can increase the per-agent cost by 10-15%
6. Integration Fees
Some tools charge for integrations or API access:
● HubSpot: Advanced integrations require Marketing Hub ($20-$3,600/month)
● Intercom: API access requires higher-tier plans
Pricing by Team Size
Solo Founder (1 agent)
Tool | Monthly Cost | Notes |
Knocket | $0 | Best value: no branding, full features |
Tawk.to | $0 | With branding, visitor monitoring |
Crisp | $0 | With branding, 30-day history |
Tidio | $0-29 | Free up to 50 chats; $29 for AI |
LiveChat | $20 | 14-day trial, then paid |
Best option for solo founders: Knocket ($0) or Tawk.to ($0) if you need visitor monitoring.
Small Team (3 agents)
Tool | Monthly Cost | Notes |
Knocket | $0 | Still free with unlimited agents |
Tawk.to | $0 | Still free with unlimited agents |
Crisp Free | $0 | Limited to 2 agents (excluded) |
Crisp Pro | $25 | 2 agents, no branding |
Tidio Starter | $29 | With AI chatbot |
LiveChat Team | $60 | $20 × 3 agents |
Freshchat Free | $0 | Up to 10 agents, with branding |
Best option for 3-person teams: Knocket ($0) or Freshchat Free ($0) if you need ticketing.
Growing Team (10 agents)
Tool | Monthly Cost | Notes |
Knocket | $0 | Still free with unlimited agents |
Tawk.to | $0 | Still free with unlimited agents |
Crisp Pro | $95 | Flat rate, unlimited agents |
Tidio | $29+ | Per-plan, not per-seat |
LiveChat | $200-400 | $20-40 × 10 agents |
Intercom | $390+ | $39+ × 10 agents |
Freshchat Free | $0 | Up to 10 agents, with branding |
Best option for 10-person teams: Knocket ($0), Freshchat Free ($0), or Crisp Pro ($95 flat rate).
When Paying More Makes Sense
Free tools cover 80-90% of small business needs. But there are specific situations where paying for a premium tool is justified:
1. You need AI chatbot automation – If you receive 50+ chats per day and 60%+ are repetitive, an AI chatbot (Tidio: $29/month, Intercom Fin: $0.99/resolution) pays for itself in time saved.
2. You need CRM integration – If you use HubSpot or Salesforce and need chat conversations to automatically sync with contact records, you need a tool with native CRM integration (HubSpot Live Chat, Intercom, Zendesk).
3. You have formal SLAs – If you have service level agreements that require guaranteed response times, routing rules, and escalation procedures, you need an enterprise tool (Zendesk, Intercom).
4. You manage multiple brands – If you operate multiple websites or brands with different chat configurations, you need a tool that supports multi-brand setups (Zendesk, Intercom).
FAQ
What is the cheapest live chat software?
Knocket and Tawk.to are the cheapest at $0/month. Both offer unlimited conversations and unlimited agents. Knocket includes no branding, social links, and Calendly scheduling. Tawk.to includes visitor monitoring and ticketing but has mandatory branding.
How much does live chat software cost per month?
It ranges from $0 (Knocket, Tawk.to) to $169+/agent/month (Zendesk Enterprise). For a small business with 1-3 agents, expect to pay $0-60/month. For a medium business with 5-10 agents, expect $0-400/month.
Are there hidden fees in live chat software?
Yes. Common hidden fees include AI conversation surcharges (Tidio, Intercom, Zendesk), overage charges for exceeding conversation limits (Tidio, Chatbase), premium support fees (Zendesk: 20% of contract value), and annual renewal increases (Zendesk: 7-15%, Intercom: 10-20%).
Is free live chat really free?
Knocket and Tawk.to are genuinely free with no monthly costs. Other “free” tools often have limitations (branding badges, conversation limits, agent seat limits) that effectively push you toward paid plans. Always check the free plan limitations before committing.
Should I pay per agent or choose a flat-rate plan?
For teams of 1-3 agents, per-seat pricing is affordable. For teams of 4+ agents, flat-rate plans (Crisp Pro: $95/month for unlimited agents) or free plans (Knocket, Tawk.to) are more cost-effective.