kitio.aiHarmony.ai vs AICaller.io
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. AICaller.io has the lower starting price: about $49 a month, against $250 for Harmony.ai.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Inbound and outbound calls
- Lead qualification
- Appointment booking
- CRM integration
- Telephony management
- Guardrails
- AI outbound phone calls
- Reusable call templates
- Transcript analysis reports
- Webhooks for external actions
- Bring your own Twilio keys
- Zapier integration
| Feature | Harmony.ai | AICaller.io |
|---|---|---|
| Best for | Voice agents that answer calls and qualify leads | AI voice agent that places outbound phone calls for sales teams |
| Category | Sales | Sales |
| Pricing model | Paid | Free trial |
| Starting price | $250/mo | $49/mo |
| Free plan | No | No, trial available |
| Made by | Harmony.ai (monday.com) | AICaller.io |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
AICaller.io has the lower starting price: about $49 a month, against $250 for Harmony.ai.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Pro
$250/mo
- Platform fee plus $0.39 per minute
- Up to 3 agents
- Up to 10 concurrent calls
- 100 calls per day
Enterprise
Contact sales
- Custom concurrency
- API and MCP access
- White-glove implementation
3 plans
Build
$49/mo
- 300 calling credits
- $0.16 per extra credit
- API and own Twilio keys
- 30 voices
Grow
$499/mo
- 4,000 calling credits
- $0.14 per extra credit
- 100 voices
- Chat and email support
Usage based
$0.12 / credit
- Unlimited calling credits
- 200+ voices
- API integration support
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Harmony.ai
- Handles inbound and outbound calls
- No code to set up
- Connects to your CRM
- Platform fee plus per-minute billing
- Implementation fee is custom
- Pro limits you to 3 agents
AICaller.io
- Runs many calls without hiring callers
- API and Zapier for automation
- Choice of many voices
- Premium voices use credits twice as fast
- Big jump from the $49 to the $499 plan
- Outbound robocalls face legal limits in many places
Which one should you choose?
Choose Harmony.ai if you want:
- Handles inbound and outbound calls
- No code to set up
- Connects to your CRM
Watch out: platform fee plus per-minute billing.
Choose AICaller.io if you want:
- Runs many calls without hiring callers
- API and Zapier for automation
- Choice of many voices
Watch out: premium voices use credits twice as fast.
Harmony.ai vs AICaller.io FAQ
What is the difference between Harmony.ai and AICaller.io?
Harmony.ai: Voice agents that answer calls and qualify leads. AICaller.io: AI voice agent that places outbound phone calls for sales teams. Both are sales tools.
Is Harmony.ai or AICaller.io cheaper?
AICaller.io has the lower starting price: about $49 a month, against $250 for Harmony.ai.
Do Harmony.ai and AICaller.io have free plans?
Harmony.ai: No. AICaller.io: No, trial available.
Who makes Harmony.ai?
Harmony.ai is made by Harmony.ai (monday.com).
Who makes AICaller.io?
AICaller.io is made by AICaller.io.
Which should I choose, Harmony.ai or AICaller.io?
Choose Harmony.ai if you value handles inbound and outbound calls and no code to set up. Choose AICaller.io if you value runs many calls without hiring callers and api and zapier for automation.