AsyncAI Voice API vs Whisper Notes

Comparing the features of AsyncAI Voice API to Whisper Notes

Feature
AsyncAI Voice API
Whisper Notes

Capability Features

Advanced Speech Features
emotional inflectionrhythm controlmultilingual support
API Access
API Sample Rate Support
44100
API Streaming
Audio AI Features
end-to-end editingnoise cancellationAI-powered refinement
Audio File Import
Comprehensive Documentation
Creative Suite Tools
PodcastingVideo AIAudio AIVoice AI
Custom Keyboard Shortcuts
Export SRT Subtitles
Export with Timestamps
Infinite Voice Styles
Infinite
Lifelike Text-to-Speech
Local Processing
Low Latency
Manual Re-transcribe Option
Multilingual Support
EnglishChineseSpanishGermanFrenchJapaneseKoreanRussianArabicHindiPortugueseItalianDutchTurkishIndonesianVietnameseThaiCzechPolishUkrainianSwedish
No Cloud Upload
No Internet Required
No Recording Length Limit
Offline Transcription
Podcasting Features
audio enhancementnoise reductionvoice conversion
Quick Implementation
<10 minutes
Refund Available
Share Transcripts
Supported Language List
20+
Supported Use Cases
Customer ServiceGame DevelopmentDigital MarketingDigital PublishingPatient CommunicationConversion OptimizationConversational AI / AgentsGlobal ReachDigital Humans / AI AvatarsSupply ChainTalent AcquisitionInclusive Design
Unlimited Transcriptions
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 Library
1000
Voice Model Version
asyncFlow v1.0
Voice Output Emotional Styles
ExcitedNeutralWarm
Whisper Large V3 Turbo Model
Whisper Large V3 Turbo

Integration Features

API Implementation Languages
PythonJavaScriptcURL
API Output File Formats
WAVraw PCM (pcm_f32le)
Apple Silicon Support
File Formats Supported
MP3M4AWAV
Intel Mac Support
Platform Integrations
APIPythonJavaScriptcURL
Works on iOS
Works on macOS

Limitation Features

API Key Integration
Device Requirements
Not supported on iPhone SE 2nd gen; 8GB+ RAM recommended for macOS
No AI Summaries
No Background Transcription on iOS
No Free Trial
No Pricing Information
No Real-time Transcription
No Usage Quotas Stated
Slower on Old Devices

Pricing Features

All Future Updates
Developer-friendly Pricing
Developer-friendly
Free Tier
Lifetime Access
No Ads
No In-App Purchases
No Subscription Required
One-Time Payment
$4.99