Calldock vs Retell AI

Calldock

A packaged speed-to-lead caller rather than a voice platform: the agent, the calendar write-back, the SMS follow-up and the human handoff all come assembled, and API access starts on the cheapest plan instead of being an enterprise upsell. The pricing is honest about being metered but easy to misread — $49 buys roughly a hundred minutes of US calling, not a month of unlimited dialling. Vendor transparency is thin, with no company registration or country published.

Pros

• +Books appointments straight into a connected calendar during the call
• +Transfers to a human when the conversation needs one
• +SMS and email follow-up are part of the same workflow
• +API access, playground and code examples start on the $49 tier
• +Connects to Gmail, Slack, Google Calendar and Zapier out of the box

Cons

• −Monthly fee only buys a credit balance; talk time is charged on top
• −US calls at $0.22 a minute make long conversations expensive
• −No company registration, address or country is published
• −Non-US call rates are not stated on the pricing table

Retell AI

One of the more honest voice-agent stacks: the pricing page breaks out infrastructure, TTS and LLM cost per minute so you can predict a call's cost instead of guessing. Telephony choice is wide and the concurrency allowance is generous. The catch is that per-minute billing plus add-ons makes a busy contact centre expensive fast, and the cheap end of the range only holds if you pick the cheap models.

Pros

• +Per-minute cost broken down by voice infrastructure, TTS provider and LLM on the public pricing page
• +Telephony via SIP trunking, Twilio and Vonage plus n8n, HubSpot, Make and Go High Level integrations
• +20 concurrent calls included before any concurrency charge
• +Voice, chat and SMS agents share one platform and API
• +HIPAA path exists via a signed BAA covered in the terms of service

Cons

• −Cost per minute more than quadruples between the cheapest and most capable model combinations
• −Knowledge base, denoising, PII removal and branded caller ID are all metered extras
• −No flat-rate plan, so a spike in call volume lands straight on the invoice

Is Calldock cheaper than Retell AI?

They charge in different units, so there is no like-for-like answer: Calldock starts at $49/mo, Retell AI at $0.07/min. Entry price is the lowest paid plan as we last verified it.

Does Calldock or Retell AI have a free tier?

Retell AI has a free tier; Calldock has paid plans only.

Which has a public API, Calldock or Retell AI?

Both ship a public API, so either can be built on; the fact table above shows the platforms each one runs on.