Retell AI vs Voice In

Comparing the features of Retell AI to Voice In

Feature
Retell AI
Voice In

Capability Features

Advanced Mode Sites Limit
1000+ sites
Agent Builder
Agent Testing
API Access
Appointment Scheduling
Auto-Sync Knowledge Base
Automatic Formatting
Automatic Scalability
Millions of concurrent calls
Batch Calls
Branded Caller ID
Call History
Call Monitoring
Call Transfer Options
Change Text Case
Custom Voice Commands
Dictation Across Tabs
Dictation Box
Edge Case Handling
GDPR Compliance
Global Reach
Industry Compliance
SOC 2 Type 1&2HIPAAGDPR
Language Switching Shortcuts
LLM-Powered
Low Latency
500ms latency
Minimal Permissions
Multi-language Support
18+ languages
Multiple Deployment Channels
AI phone callsWeb callsSMSChat
Natural Language Conversations
Navigate Through IVR
No Concurrency Limits
No Extra Hardware Needed
Page Pop-up Placement
Platform Uptime
99.99% uptime
Popular Languages
EnglishJapaneseGermanPortugueseSpanishHebrewFrenchHindiArabicPolish
Premium Support
Privacy Protection
Supported Language List
100+ languages
Verified Phone Numbers
Voice Commands
Voicemail Detection
Works on Editable Textboxes

Integration Features

CRM/Automation Integrations
Cal.comn8nGoHighLevelTwilioVonageOpenAI
Integrates with Any CRM
Integrates with Any Telephony
Integrates with Automation Platforms
Integrates with Databases
Popular Site Integrations
GmailOutlookGoogle DocsFacebookLinkedInRedditSlackChatGPTWhatsAppSalesforce
Supported Platforms
WindowsMacLinuxChromebook
Telephony Integration
TwilioVonageTelnyxPlivoRingCentral
Website Compatibility
Over 10,000 websites
Works On Chrome

Limitation Features

No Desktop App
No Desktop App Mentioned
No Free Trial
No Mentioned Self-hosting
No Offline Mode
No Public Pricing Listed
Web App Only

Pricing Features

Free Tier
Paid Plans
Plus Plan Price
$60 per year
Pricing Plan Details