Harmony.ai vs Solda AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Harmony.ai starts at $250/mo and Solda AI starts at See pricing page. Check both pricing pages for current plans.
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
- Outbound voice agents
- Multilingual calls
- Payment commitment calls
- Card activation calls
- AI SDR
| Feature | Harmony.ai | Solda AI |
|---|---|---|
| Best for | Voice agents that answer calls and qualify leads | Voice agents that make outbound sales and collection calls |
| Category | Sales | Sales |
| Pricing model | Paid | Paid |
| Starting price | $250/mo | See pricing page |
| Free plan | No | No |
| Made by | Harmony.ai (monday.com) | Solda AI |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Harmony.ai starts at $250/mo and Solda AI starts at See pricing page. Check both pricing pages for current plans.
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
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
Solda AI
- Demo calls for several use cases
- Speaks multiple languages
- Handles sales and collections
- No public pricing
- Demo audio requires an email
- Little technical detail on the site
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 Solda AI if you want:
- Demo calls for several use cases
- Speaks multiple languages
- Handles sales and collections
Watch out: no public pricing.
Harmony.ai vs Solda AI FAQ
What is the difference between Harmony.ai and Solda AI?
Harmony.ai: Voice agents that answer calls and qualify leads. Solda AI: Voice agents that make outbound sales and collection calls. Both are sales tools.
Is Harmony.ai or Solda AI cheaper?
Harmony.ai starts at $250/mo and Solda AI starts at See pricing page. Check both pricing pages for current plans.
Do Harmony.ai and Solda AI have free plans?
Harmony.ai: No. Solda AI: No.
Who makes Harmony.ai?
Harmony.ai is made by Harmony.ai (monday.com).
Who makes Solda AI?
Solda AI is made by Solda AI.
Which should I choose, Harmony.ai or Solda AI?
Choose Harmony.ai if you value handles inbound and outbound calls and no code to set up. Choose Solda AI if you value demo calls for several use cases and speaks multiple languages.