ISSEN vs UntitledPen

Comparing the features of ISSEN to UntitledPen

Feature
ISSEN
UntitledPen

Capability Features

AI Writing Commands
rewritepolishimprove flowtone
Audio Download Quality Free Plan
128 kbps, 44.1 kHz
Audio Download Quality Paid Plans
Up to 192 kbps, 44.1 kHz
Audio Exports
Custom Curriculum
Customizable Voice Tone
Dialect and Style Options
Japanese - Tokyo - FormalSpanish - Mexico City - SlangFrench (FR) - Paris - Standard
File Upload Support
Flexible Lesson Structure
Grammar Lessons
Mini Demo Available
Multilingual Support
Multiple Tutor Personalities
SakuraSantiagoCéleste
Natural Voice Generation
No Judgment
Notion-like Smart Editor
Personalized Lessons
Realtime Voice Tutor
Shadowing and Translation Drills
Smart Transcription
Smart Writing Assistant
Speech to Text
Studio Mode
Supported Language List
AfrikaansArabicArmenianAzerbaijaniBelarusianBosnianBulgarianCantoneseCatalanCroatianCzechDanishDutchEnglishEstonianFinnishFrenchGalicianGermanGreekGujaratiHebrewHindiHungarianIcelandicIndonesianItalianJapaneseKannadaKazakhKoreanLatvianLithuanianMacedonianMalayMandarin ChineseMaoriMarathiNepaliNorwegianPersianPolishPortugueseRomanianRussianSerbianSlovakSlovenianSpanishSwahiliSwedishTagalogTamilThaiTurkishUkrainianUrduVietnameseWelsh
Text to Speech
Tutor Customization
Voice Editor
Voice Types
AlloyAshBalladCoralEchoFableNovaOnyxSageShimmerVerse

Integration Features

Integrations Information
Mobile App Integration
Play storeApp store
Web-Based Platform

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
No Human Teachers
Not Completely Free

Pricing Features

Cancel Anytime
Creator Plan Monthly Price
$25 per month
Free Plan AI Refine Limit
1000
Free Plan Character Limit
10000
Free Plan Price
$0
Free Tier
Free Trial Duration
10
Monthly Payment
No Credit Card Required
Pricing Range
$20-$29/month
Pro Plan Price
$12 per month (billed annually)
Pro/Creator Plan Character Limit
200000
Trial Period
Not specified