Inbox AI vs UntitledPen

Comparing the features of Inbox AI to UntitledPen

Feature
Inbox AI
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
Connect to User's Information
Conversational AI
Customizable Voice Tone
Email Processing
File Upload Support
Information Capture
Mini Demo Available
Multilingual Support
Natural Voice Generation
Notion-like Smart Editor
Smart Transcription
Smart Writing Assistant
Speech to Text
Studio Mode
Task Automation
Text to Speech
Voice Driven Automation
Voice Editor
Voice Types
AlloyAshBalladCoralEchoFableNovaOnyxSageShimmerVerse

Integration Features

Integrations Information
macOS Compatibility

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

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
No Credit Card Required
Pro Plan Price
$12 per month (billed annually)
Pro/Creator Plan Character Limit
200000
Trial Period
Not specified