iSpeech TTS & Speech API vs Willow Voice

Comparing the features of iSpeech TTS & Speech API to Willow Voice

Feature
iSpeech TTS & Speech API
Willow Voice

Capability Features

AI Mode
API Requests per Month
100000000
Auto Editing
Cloud and Embedded TTS
Contextual Awareness
Create IVR Prompts
Custom Voice Cloning
Customizable Dictionaries
Developer Signups
80000
Handles Mid-Sentence Changes
HIPAA Compliance
Open Source SDKs
Personalized Writing Style
Privacy Focused
Real-time Adaptation
SDK Availability
SOC 2 Compliance
Speech Rate Adjustment
SlowRegularFast
Speech Recognition
Supported Language List
US EnglishUK EnglishAustralian EnglishUS SpanishChineseHong Kong ChineseTaiwan ChineseJapaneseKoreanCanadian EnglishHungarianBrazilian PortugueseEuropean PortugueseEuropean SpanishEuropean CzechEuropean DanishEuropean FinnishEuropean FrenchEuropean NorwegianEuropean DutchEuropean PolishEuropean ItalianEuropean TurkishEuropean GreekEuropean GermanRussianSwedishCanadian FrenchArabic
Talking Stickers
Text to Speech
Understands Tone
Voice Commands
Whispering and Noise Optimization
Works Anywhere

Integration Features

Audiobook Support
Browser Compatibility
Chrome Extension
Connected Vehicle Integration
Gmail Integration
iMessage Integration
macOS Compatibility
Mobile Integration
Notion Integration
SAPI Integration
Slack Integration

Limitation Features

Language Availability Limitation
English only
Platform Limitation
No Windows versionNo iOS version
Registration Required for Downloads
TTS for Non-Commercial Use Only

Pricing Features

Free Tier
IVR Prompts Free Sample
No Credit Card for Free Tier
Paid Plan Price
$15/month