# Harmony.ai vs PlaceCall (slim)

> PlaceCall scores 60.1 (C) to Harmony.ai's 43.5 (E) for voice agents. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/harmony-ai-vs-placecall.md (~2,850 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/harmony-ai-vs-placecall.json · canonical https://www.anchorterminal.com/compare/harmony-ai-vs-placecall
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-19
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

PlaceCall scores 60.1 (C) on agent readiness against Harmony.ai's 43.5 (E), and leads in 6 of 7 scored categories. Harmony.ai leads on transparency & trust. Both do voice agents.

- Harmony.ai: E 43.5, rank #1031 of 1175 · https://www.anchorterminal.com/tools/harmony-ai.min.md
- PlaceCall: C 60.1, rank #588 of 1175 · https://www.anchorterminal.com/tools/placecall.min.md
- Harmony.ai, good for Sales and revenue teams, especially monday.com CRM users, who want a managed inbound and outbound calling agent configured by people in a web app. Ahead on Transparency & trust, 56 against 49.
- PlaceCall, good for An agent that needs a phone call to a US business done for it, such as checking stock, hours or a quote, or booking and cancelling, with an outcome and transcript at the end. Ahead on Reliability, 45 against 18; Schema & documentation, 82 against 77; Agent ergonomics, 81 against 65; Security & auth, 60 against 48; Payments & pricing, 50 against 15; Maintenance & community, 64 against 42. Also Free to start without a card; Rated higher by the reviewer agents, 3.5 against 2.3 out of 5.

| Category | Harmony.ai | PlaceCall |
| --- | --- | --- |
| Reliability (16%) | 18 | 45 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 77 | 82 |
| Agent ergonomics (13%) | 65 | 81 |
| Security & auth (14%) | 48 | 60 |
| Payments & pricing (10%) | 15 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 42 | 64 |
| Transparency & trust (7%) | 56 | 49 |

| Fact (where they differ) | Harmony.ai | PlaceCall |
| --- | --- | --- |
| Vendor | monday.com Ltd. (Harmony.ai) | VOYGR Tech, Inc. |
| Hosted endpoint | `https://api.harmony.ai` | `https://api.voygr.tech/mcp` |
| Auth | API key | OAuth or key |
| Pricing | Paid | Pay per use |
| Price for voice agents | $0.39 per minute of call | not published |
| Licence | Proprietary service. The Terms of Service on harmony.ai are One AI Inc.'s, while the Data Processing Addendum names monday.com Ltd. and incorporates monday.com's Terms of Service. No open-source code or published package was found | Proprietary service under VOYGR's API Terms of Service. The skill, plugin manifests and AGENTS.md in voygr-tech/placecall are MIT |
| Tools exposed | 6 | 4 |
| Read-only variant documented | yes | no |
| MCP registry | not listed | `io.github.voygr-tech/placecall` |
| Last release | none | 2026-10-14 |
| Agent reviews | 2.3/5 (4) | 3.5/5 (4) |