AsyncAI Voice API vs Nova Echo AI

Comparing the features of AsyncAI Voice API to Nova Echo AI

Feature
AsyncAI Voice API
Nova Echo AI

Capability Features

1:1 Consultation Hours
2 hours/month
24/7 Availability
Advanced Prompt Engineering
Advanced Speech Features
emotional inflectionrhythm controlmultilingual support
All-in-One CRM
API Access
API Sample Rate Support
44100
API Streaming
Appointment Booking
Audio AI Features
end-to-end editingnoise cancellationAI-powered refinement
Brand Guideline & Governance Consulting
Call Analytics
Call Scoring
Campaign Management
Compliance Features
Comprehensive Documentation
Concurrent Inbound Calls Limit
1 at a timeUnlimited
Concurrent Outbound Calls Limit
1 at a timeUnlimited
Creative Suite Tools
PodcastingVideo AIAudio AIVoice AI
Custom Automation Development
Automatic SMSEmailVoicemailSummary GenerationQuote Creation
Custom Development & Integrations
Dedicated CSM
Done-for-you Setup
Employee Types
ReceptionistsSpeed-to-LeadMass Outbound Calling
Form Collection & Summaries
Human-like Voice
Hyper human-like
Implementation Speed
48 hours
Industry Use Cases
SalesCustomer serviceAppointment settingLead qualification
Infinite Voice Styles
Infinite
Languages Supported
35+
Lead Contact Speed
< 1 minute
Lifelike Text-to-Speech
Live Call Transfer
Low Latency
Maximum Calls Per Day
10,000+
Maximum Calls Per Minute
1500+
Objection Handling Optimization
Podcasting Features
audio enhancementnoise reductionvoice conversion
Quick Implementation
<10 minutes
Simple Intuitive Interface
Support Question Handling Optimization
Supported Language List
20+
Supported Use Cases
Customer ServiceGame DevelopmentDigital MarketingDigital PublishingPatient CommunicationConversion OptimizationConversational AI / AgentsGlobal ReachDigital Humans / AI AvatarsSupply ChainTalent AcquisitionInclusive Design
Ultra Low Latency
Sub-1500ms
University Access
Uptime and Reliability
Video AI Features
intelligent video editingautomatic captioningvisual enhancement
Voice AI Tools
text-to-speechvoice cloning
Voice Cloning
Voice Cloning Sample Duration
3
Voice Customization Options
Extensive tone & speed control
Voice Library
1000
Voice Model Version
asyncFlow v1.0
Voice Output Emotional Styles
ExcitedNeutralWarm
Weekly Group Support Calls
2 per week
White-glove Onboarding

Integration Features

API Implementation Languages
PythonJavaScriptcURL
API Output File Formats
WAVraw PCM (pcm_f32le)
CRM Integrations
Platform Integrations
APIPythonJavaScriptcURL
10
Private Slack Channel
Third-party Integrations
3000

Limitation Features

API Key Integration
Free Tier Duration
3 months max
Free Tier Overage
N/A
Limit Free Tier Calls
1 at a time
Maximum Minutes on Free Tier
60
No Pricing Information
No Usage Quotas Stated

Other Features

Affiliate Program
Agency Reseller Program

Pricing Features

Developer-friendly Pricing
Developer-friendly
Free Tier
Monthly Minutes Included
601005003000
Nova Hyper Price
$1,299/month
Nova Light Price
$99/month
Nova Super Price
$333/month
Overage Rate
N/A$0.25/min$0.15/min$0.13/min
Subscription Plans
Nova LightNova SuperNova Hyper
Trial Period
3 months
Volume Discounts