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Comparison LabCompare 27 voice AI platforms and components across seven buying contexts, with sourced capabilities, current price captures and visible unknowns.Voice AI Price Index: prices, evidence and historyUnderstand the complete voice-agent cost stack: models, voice, transcription, telephony, subscriptions, capacity and add-ons.Know the cost before the first callEstimate monthly voice-agent costs, AI minutes, setup expenses and volume scenarios using your own transparent assumptions.AI voice agents for dentalAppointments, rescheduling and after-hours calls—with a person ready for clinical questions. Explore call flows, safe automation, integrations, tests and cost considerations.

Compare Lab

Retell AI vs Ringly.io

Retell AI is positioned as a configurable call-agent platform with visual flows, APIs and integrated call operations. Ringly.io is positioned as a Shopify-focused phone support agent billed by qualifying conversation. Start by dec

The decision in context

Retell AI is positioned as a configurable call-agent platform with visual flows, APIs and integrated call operations. Ringly.io is positioned as a Shopify-focused phone support agent billed by qualifying conversation. Start by deciding who owns the missing layers, then inspect the documented differences below.

15 jointly documented catalog fields. This measures evidence coverage, not equivalent quality or an overall winner.

Compare for the job

Test opening hours, booking conflicts and an unanswered transfer.

2 of 4 slots
Retell AIRingly.io
Decision signals / differences first

Start where the records differ.

6 of 8 priority fields differ

Values and evidence states are compared together. Shared facts follow the differences; Unknown never means No.

Selected platforms: buyer-critical differences before detailed dimensions
Decision pointRetell AIRingly.io
Billing modelDifferent records
component-stackVerified Yes · 2026-09-28Documented product/configuration only; see research notes · PAYG
per-conversationVerified Yes · 2026-09-28Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Billing unitDifferent records
minuteVerified Yes · 2026-09-28Documented product/configuration only; see research notes · PAYG
conversationVerified Yes · 2026-09-28Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Bring your telephonyDifferent records
YesVerified Yes · 2026-09-28Documented product/configuration only; see research notes
UnknownUnknown after research · 2026-09-28Documented product/configuration only; see research notes
Bring your modelDifferent records
YesVerified Yes · 2026-09-28Documented product/configuration only; see research notes
UnknownUnknown after research · 2026-09-28Documented product/configuration only; see research notes
Warm transferDifferent records
YesVerified Yes · 2026-09-28Documented product/configuration only; see research notes
UnknownUnknown after research · 2026-09-28Documented product/configuration only; see research notes
HIPAA pathDifferent records
YesVendor claim · 2026-09-28PHI processing through Retell, subject to signed BAA and deployment configuration · BAA self-signing; no extra agreement fee stated · No EU operation stated in this compliance document
UnknownUnknown after research · 2026-09-28Documented product/configuration only; see research notes
Your requirements & next steps
Carried from your shortlist

Your requirements

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Ready-made / AI receptionist · Strict evidence mode

No personal requirements yet. Add criteria in Advanced Filter to prioritize this comparison.

Unknown ≠ No
Evidence, side by sideNo benchmark scores
Retell AIFull Platforms
Ringly.ioFull Platforms
Pricing model
Retell AI
component-stackVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · PAYG
Ringly.io
per-conversationVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Headline / base price
Retell AI
Voice-agent configuration range $0.07–$0.31/minVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · PAYG
Ringly.io
$99/month plus $1.99 per additional conversationVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Billing unit
Retell AI
minuteVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · PAYG
Ringly.io
conversationVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Platform fee
Retell AI
PAYG $0; optional recurring number/concurrency/KB chargesVerified Yes · 2026-09-28

Zero platform fee is not zero total fixed cost.

Ringly.io
$99/monthVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Included usage
Retell AI
20 concurrent call slots and first 10 knowledge bases; call usage billed separatelyVerified Yes · 2026-09-28

Paid extras$8/slot/month and$8/KB/month; usage separate.

Ringly.io
50 qualifying conversations; test and excluded calls do not countVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Overage
Retell AI
Metered usage; selected model, voice, carrier and add-ons determine rateVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · PAYG
Ringly.io
$1.99 per qualifying conversation after the allowanceVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Pass-through costs
Retell AI
Telephony, selected LLM/TTS, add-ons and concurrency burst can add chargesVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · PAYG
Ringly.io
UnknownUnknown after research · 2026-09-28

Conversation billing cannot be converted into cost/minute without actual duration and billing eligibility. Spend-cap shutdown can lag by up to an hour.

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Free offer
Retell AI
$10 free creditsVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

PAYG
Ringly.io
UnknownUnknown after research · 2026-09-28

Conversation billing cannot be converted into cost/minute without actual duration and billing eligibility. Spend-cap shutdown can lag by up to an hour.

Current conversation plan; pre-September-12 legacy plans differ
Complete cost ceiling
Retell AI
UnknownUnknown after research · 2026-09-28

A headline configuration range is not a ceiling on telephony, model, add-on or burst charges.

Documented product/configuration only; see research notes · PAYG
Ringly.io
UnknownUnknown after research · 2026-09-28

Conversation billing cannot be converted into cost/minute without actual duration and billing eligibility. Spend-cap shutdown can lag by up to an hour.

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
What remains unresolved
Retell AI
A headline configuration range is not a ceiling on telephony, model, add-on or burst charges.Verified Yes · 2026-09-28

Research conclusion about cost completeness, not a vendor capability.

Documented product/configuration only; see research notes · PAYG
Ringly.io
Conversation billing cannot be converted into cost/minute without actual duration and billing eligibility. Spend-cap shutdown can lag by up to an hour.Verified Yes · 2026-09-28

Research conclusion about cost completeness, not a vendor capability.

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ

Anyone with this link can view the encoded decision criteria.

Vendor documentation establishes a claim. Public model benchmarks are separate context, not measurements of these platforms.

Open saved comparison ↗

What to verify together.

Retell AI

The advertised price band is not a ceiling for every model configuration.

Voice-agent configuration range $0.07–$0.31/min · V3.3 evidence review · Published configured-agent range lower reference; not a guaranteed all-in floor or ceiling

Excluded / confirm: Complete cost cannot be established from this reference. A headline configuration range is not a ceiling on telephony, model, add-on or burst charges. · Telephony, selected LLM/TTS, add-ons and concurrency burst can add charges

component-stackVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · PAYG
Read the complete profile →

Ringly.io

Compare the billable-conversation definition against your actual call mix.

$99/month plus $1.99 per additional conversation · V3.3 evidence review · Additional eligible conversation after the $99/month plan allowance; legacy accounts differ

Excluded / confirm: Complete cost cannot be established from this reference. Conversation billing cannot be converted into cost/minute without actual duration and billing eligibility. Spend-cap shutdown can lag by up to an hour. · Provider, carrier and custom contract terms require separate verification

per-conversationVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Read the complete profile →

The evidence overlap.

Both records have documented values for Product type, Call direction, Technical setup, Pricing model, Published numeric pricing, Call recording, Knowledge base / RAG, Function / tool calling, Transcripts, Call summary, Structured extraction, Webhooks and additional fields shown in Compare. Matching availability does not measure behavior under your call conditions.

Run the same booking, tool failure and unsuccessful human-transfer cases. Record both outcomes and billable units before signing a deployment agreement.

Build a buyer-operated pilot →

Editorial index gate: noindex-low-intent. Browseable utility pair. Independent demand evidence and unique editorial review have not passed the index gate.