ISSEN vs Outspeed

Comparing the features of ISSEN to Outspeed

Feature
ISSEN
Outspeed

Capability Features

Custom Curriculum
Dialect and Style Options
Japanese - Tokyo - FormalSpanish - Mexico City - SlangFrench (FR) - Paris - Standard
Documentation Available
Emotive AI Voice
Flexible Lesson Structure
Grammar Lessons
High Concurrency
Low Latency
Minutes Served
1M+
Multi-language Support
Multiple Tutor Personalities
SakuraSantiagoCéleste
Natural Prosody and Emotion
No Judgment
Personalized Lessons
Quick Integration
Real-Time Voice Generation
Realtime Voice Tutor
Scalable Platform
Shadowing and Translation Drills
Simple API
Supported Language List
AfrikaansArabicArmenianAzerbaijaniBelarusianBosnianBulgarianCantoneseCatalanCroatianCzechDanishDutchEnglishEstonianFinnishFrenchGalicianGermanGreekGujaratiHebrewHindiHungarianIcelandicIndonesianItalianJapaneseKannadaKazakhKoreanLatvianLithuanianMacedonianMalayMandarin ChineseMaoriMarathiNepaliNorwegianPersianPolishPortugueseRomanianRussianSerbianSlovakSlovenianSpanishSwahiliSwedishTagalogTamilThaiTurkishUkrainianUrduVietnameseWelsh
TTS Voice
Tutor Customization
Unlimited Use
Voice for AI Companions
White Glove Support

Integration Features

API Integrations
Mobile App Integration
Play storeApp store
SDK Integration
Web-Based Platform

Limitation Features

No Explicit Usage Quotas
No Human Teachers
Not Completely Free

Pricing Features

Cancel Anytime
Free Tier
Free Trial Duration
10
Monthly Payment
Pricing Range
$20-$29/month