iSpeech TTS & Speech API vs UntitledPen

Comparing the features of iSpeech TTS & Speech API to UntitledPen

Feature
iSpeech TTS & Speech API
UntitledPen

Capability Features

AI Writing Commands
rewritepolishimprove flowtone
API Requests per Month
100000000
Audio Download Quality Free Plan
128 kbps, 44.1 kHz
Audio Download Quality Paid Plans
Up to 192 kbps, 44.1 kHz
Audio Exports
Cloud and Embedded TTS
Create IVR Prompts
Custom Voice Cloning
Customizable Voice Tone
Developer Signups
80000
File Upload Support
Mini Demo Available
Multilingual Support
Natural Voice Generation
Notion-like Smart Editor
Open Source SDKs
SDK Availability
Smart Transcription
Smart Writing Assistant
Speech Rate Adjustment
SlowRegularFast
Speech Recognition
Speech to Text
Studio Mode
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
Voice Editor
Voice Types
AlloyAshBalladCoralEchoFableNovaOnyxSageShimmerVerse

Integration Features

Audiobook Support
Chrome Extension
Connected Vehicle Integration
Integrations Information
Mobile Integration
SAPI Integration

Limitation Features

Audio Quality Limitation Free
128 kbps max
Audio Quality Limitation Paid
192 kbps max
Character Limit
500
Free Plan AI Usage Limit
1000
Free Plan Voice Generation Limit
10000
Registration Required for Downloads
TTS for Non-Commercial Use Only

Pricing Features

Creator Plan Monthly Price
$25 per month
Free Plan AI Refine Limit
1000
Free Plan Character Limit
10000
Free Plan Price
$0
Free Tier
IVR Prompts Free Sample
No Credit Card Required
Pro Plan Price
$12 per month (billed annually)
Pro/Creator Plan Character Limit
200000
Trial Period
Not specified