WhisperUI vs UntitledPen

Comparing the features of WhisperUI to UntitledPen

Feature
WhisperUI
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
Batch File Upload
Customizable Voice Tone
Desktop Version
Drag & Drop Upload
Edit Transcription
Export SRT Subtitles
Fast Transcription Speed
Most files within a few minutes
File Browse Upload
File Upload Support
High Accuracy Model
High (depends on audio quality)
Mini Demo Available
Multi-Language Transcription
Multilingual Support
Natural Voice Generation
Notion-like Smart Editor
Smart Transcription
Smart Writing Assistant
Speech to Text
Studio Mode
Supported Language List
EnglishSpanishFrenchGermanChineseand more
Text to Speech
Translation to English
Unlimited Daily Uploads
Voice Editor
Voice Types
AlloyAshBalladCoralEchoFableNovaOnyxSageShimmerVerse

Integration Features

Integrations Information
Supported Audio Types
mp3mp4mpegmpgam4awavoggwebm

Limitation Features

Audio Quality Limitation Free
128 kbps max
Audio Quality Limitation Paid
192 kbps max
Character Limit
500
File Size Limit
25
Free Plan AI Usage Limit
1000
Free Plan Voice Generation Limit
10000
No Internal Billing
OpenAI API Key Required
Web App Only

Other Features

API Key Stored Locally

Pricing Features

Creator Plan Monthly Price
$25 per month
Direct API Usage Billing
OpenAI API usage billing
Free Plan AI Refine Limit
1000
Free Plan Character Limit
10000
Free Plan Price
$0
Free Tier
Has Free Tier
No Credit Card Required
Premium Plan Features
Upload multiple files at onceUnlimited daily files uploadTransform audio files into SRT files
Pro Plan Price
$12 per month (billed annually)
Pro/Creator Plan Character Limit
200000
Trial Period
Not specified