iSpeech TTS & Speech API vs Uberduck AI Voices

Comparing the features of iSpeech TTS & Speech API to Uberduck AI Voices

Feature
iSpeech TTS & Speech API
Uberduck AI Voices

Capability Features

API Access
API Requests per Month
100000000
Cloud and Embedded TTS
Create IVR Prompts
Custom Voice Cloning
Developer Signups
80000
Industry-Leading Accuracy
Make Music
Make Videos
Make Voiceovers
Open Source SDKs
SDK Availability
Speech Rate Adjustment
SlowRegularFast
Speech Recognition
Speech to Speech
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
AfrikaansAlbanianAmharicArabicArmenianAzerbaijaniBengaliBosnianBulgarianBurmeseCatalanChineseCroatianCzechDanishDutchEnglishEstonianFilipinoFinnishFrenchGeorgianGermanGreekHebrewHindiHungarianIcelandicIndonesianIrishItalianJapaneseJavaneseKannadaKazakhKhmerKoreanLaoLatvianLithuanianMacedonianMalayMalteseMandarinMongolianNepaliNorwegianPashtoPersianPolishPortugueseRomanianRussianSerbianSinhalaSlovakSlovenianSomaliSpanishSwahiliSwedishTagalogTamilTeluguThaiTurkishUkrainianUrduUzbekVietnameseWelshZulu
Talking Stickers
Text to Rapping
Text to Singing
Text to Speech
Voice Cloning
Voice Conversion
Voice Options
AbbiAbeoAditiAIGenerate1AIGenerate2Aisha PatelAlfieAmberAmyAnaAndrewAndrewMultilingualNeuralAnnetteAriaArthurAshleyAsiliaAvaAvaMultilingualNeuralAyandaB La BBellaBig GBlueBrandonBrianBrianMultilingualNeuralCarlyChilembaChristopherClaraConnorCoraDanielleDarrenDavid KimDavisDuncanElena RodriguezElimuElizabethElliotElsieEmilyEmmaEmmaMultilingualNeuralen-AU-Neural2-Aen-AU-Neural2-Ben-AU-Neural2-Cen-AU-Neural2-Den-AU-News-Een-AU-News-Fen-AU-News-Gen-AU-Polyglot-1en-AU-Standard-Aen-AU-Standard-Ben-AU-Standard-Cen-AU-Standard-Den-AU-Wavenet-Aen-AU-Wavenet-Ben-AU-Wavenet-Cen-AU-Wavenet-Den-GB-Neural2-Aen-GB-Neural2-Ben-GB-Neural2-Cen-GB-Neural2-Den-GB-Neural2-Fen-GB-News-Gen-GB-News-Hen-GB-News-Ien-GB-News-Jen-GB-News-Ken-GB-News-Len-GB-News-Men-GB-Standard-Aen-GB-Standard-Ben-GB-Standard-Cen-GB-Standard-Den-GB-Standard-Fen-GB-Studio-Ben-GB-Studio-Cen-GB-Wavenet-Aen-GB-Wavenet-Ben-GB-Wavenet-Cen-GB-Wavenet-Den-GB-Wavenet-Fen-IN-Neural2-Aen-IN-Neural2-Ben-IN-Neural2-Cen-IN-Neural2-Den-IN-Standard-Aen-IN-Standard-Ben-IN-Standard-Cen-IN-Standard-Den-IN-Wavenet-Aen-IN-Wavenet-Ben-IN-Wavenet-Cen-IN-Wavenet-Den-US-Casual-Ken-US-Journey-Den-US-Journey-Fen-US-Neural2-Aen-US-Neural2-Cen-US-Neural2-Den-US-Neural2-Een-US-Neural2-Fen-US-Neural2-Gen-US-Neural2-Hen-US-Neural2-Ien-US-Neural2-Jen-US-News-Ken-US-News-Len-US-News-Nen-US-Polyglot-1en-US-Standard-Aen-US-Standard-Ben-US-Standard-Cen-US-Standard-Den-US-Standard-Een-US-Standard-Fen-US-Standard-Gen-US-Standard-Hen-US-Standard-Ien-US-Standard-Jen-US-Studio-Oen-US-Studio-Qen-US-Wavenet-Aen-US-Wavenet-Ben-US-Wavenet-Cen-US-Wavenet-Den-US-Wavenet-Een-US-Wavenet-Fen-US-Wavenet-Gen-US-Wavenet-Hen-US-Wavenet-Ien-US-Wavenet-JEricEthanEzinneFreyaGeraintGregoryGuyHollieImaniIvyJacobJamesJames WilsonJaneJasonJennyJenny MultilingualJenny Multilingual V2JoannaJoanneJoeyJSXIJustinKajalKenKendraKevinKimKimberlyLeahLiamLibbyLucas GarciaLukeLunaMaisieMarcus JohnsonMatthewMaya ThompsonMiaMichelleMitchellMollyMonicaNancyNatashaNeerjaNeilNiamhNicoleNoahOliverOliviaPrabhatQuackmasterRaveenaRelikkRogerRosaRussellRuthRyanRyan MultilingualSalliSamSaraSarah ChenSoniaSpongeBob SquarePants (Seasons 3–9A)SteffanStephenT.A.G.ThomasTimTinaTonyWayneWilliamWRLYanZWF (rapping)

Integration Features

API for Developers
Audiobook Support
Chrome Extension
Connected Vehicle Integration
Mobile Integration
SAPI Integration

Limitation Features

Registration Required for Downloads
Text Character Limit
350
TTS for Non-Commercial Use Only

Pricing Features

Free Tier
IVR Prompts Free Sample
Upgrade Option