WhisperUI vs iSpeech TTS & Speech API

Comparing the features of WhisperUI to iSpeech TTS & Speech API

Feature
WhisperUI
iSpeech TTS & Speech API

Capability Features

API Requests per Month
100000000
Batch File Upload
Cloud and Embedded TTS
Create IVR Prompts
Custom Voice Cloning
Desktop Version
Developer Signups
80000
Drag & Drop Upload
Edit Transcription
Export SRT Subtitles
Fast Transcription Speed
Most files within a few minutes
File Browse Upload
High Accuracy Model
High (depends on audio quality)
Multi-Language Transcription
Open Source SDKs
SDK Availability
Speech Rate Adjustment
SlowRegularFast
Speech Recognition
Speech to Text
Supported Language List
EnglishSpanishFrenchGermanChineseand more
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
Translation to English
Unlimited Daily Uploads

Integration Features

Audiobook Support
Chrome Extension
Connected Vehicle Integration
Mobile Integration
SAPI Integration
Supported Audio Types
mp3mp4mpegmpgam4awavoggwebm

Limitation Features

File Size Limit
25
No Internal Billing
OpenAI API Key Required
Registration Required for Downloads
TTS for Non-Commercial Use Only
Web App Only

Other Features

API Key Stored Locally

Pricing Features

Direct API Usage Billing
OpenAI API usage billing
Free Tier
Has Free Tier
IVR Prompts Free Sample
Premium Plan Features
Upload multiple files at onceUnlimited daily files uploadTransform audio files into SRT files