Whisper Notes App: Best Offline Speech to Text App

Complete review of Whisper Notes app using OpenAI Whisper Large V3 Turbo for offline transcription on iPhone and Mac

Updated August 2025•8 min read

What is Whisper Notes?

Whisper Notes is an offline speech-to-text app using OpenAI's Whisper Large V3 Turbo model. It processes audio entirely on your device—no cloud uploads. Used by healthcare, legal, and journalism professionals for HIPAA compliance and complete privacy.

The Whisper Notes app has 10,000+ users worldwide. Healthcare providers use it for patient notes. Journalists use it for interview transcription. Lawyers use it for depositions. Everything offline—your audio never leaves your device.

Technical Foundation: Whisper Large V3 Turbo

AI Model

Whisper Notes app uses OpenAI's Whisper Large V3 Turbo model for speech-to-text conversion. Runs entirely on your device—no internet needed.

The Model: • Trained on 680,000 hours of audio • Supports 99+ languages with technical terms • Handles everything from studio quality to phone calls • Works with accents, background noise, and multiple speakers

On-Device Processing: The Whisper model runs locally on your iPhone and Mac. No internet needed. Your audio never uploads anywhere. Works offline, everywhere.

Specifications

AI Model	OpenAI Whisper Large V3 Turbo
Languages	99+ languages with technical terms
Audio Formats	MP3, WAV, M4A, FLAC, AAC, OGG, WMA
Speed	Up to 10x faster than real-time
File Size	No limit (device memory dependent)
Platforms	iOS 18+, macOS 11+ (Apple Silicon optimized)

Core Features

Whisper Notes app features for professional transcription.

File Import and Batch Processing

Import audio files for offline transcription. Whisper Notes app processes files using full context for better accuracy.

✓Import from Files, Voice Memos, anywhere
✓Record first, transcribe later for best accuracy
✓Batch process multiple files
✓Background processing while using other apps
✓Automatic file organization

Export Options

Multiple output formats from text to subtitles.

✓Plain text with formatting
✓SRT and VTT subtitle files
✓Timestamped transcripts
✓Speaker labels
✓Custom paragraph breaks

Complete Privacy

Your audio never leaves your device. Offline processing only.

✓Zero data transmission—completely offline
✓HIPAA and GDPR-compliant
✓Encrypted local storage
✓No cloud whatsoever—runs entirely on your device
✓Full audit trail for enterprise use

Market Comparison

Whisper Notes app vs. alternatives

Here's how Whisper Notes app compares against cloud services, built-in tools, and enterprise software.

Comparison Table

Feature	Whisper Notes App	Cloud Services	Built-in Tools	Enterprise Software
Accuracy	92.4% (studio quality)	95-98% (online only)	75-85% (limited)	90-95% (expensive)
Privacy	Complete offline	Data to cloud	Mixed	On-premise option
Cost	$4.99 once	$0.006-0.40/min	Free (limited)	$500-2000/license
Languages	99+ languages	50-100 languages	10-30 languages	20-50 languages
File Size	Hardware limited	1-2 hours usually	5-10 minutes	Varies
Internet	No	Yes	Sometimes	On-premise: No

Market Position: Whisper Notes app offers offline AI transcription at consumer pricing ($4.99) with privacy guarantees that cloud services simply can't match.

Conclusion

Whisper Notes app uses OpenAI's Whisper Large V3 Turbo for offline speech to text on iPhone and Mac. Audio stays on device—no cloud uploads.

Strengths: • 92.4% accuracy (studio quality audio) • Complete privacy - offline processing only • $4.99 one-time vs $0.006-0.40/min cloud services • 99+ languages with technical terms • No subscriptions or ongoing costs

Good for: • Healthcare (HIPAA compliance) • Legal (sensitive client info) • Business (confidential communications) • Researchers and journalists (interview data) • Content creators (cost-effective transcription)

Whisper Notes app: $4.99 one-time vs per-minute cloud services or $500-2000 enterprise software. For professionals needing privacy and regular transcription, this offers good value.

Limitations: Device requirements, processing time for very long audio. Reasonable given on-device AI processing. Will improve as devices get faster.

Whisper Notes app proves offline AI transcription can work at consumer pricing with privacy guarantees.

Download Whisper Notes App

Offline speech-to-text for iPhone and Mac. Privacy-focused transcription.

Download Whisper Notes Learn More Features

✓ OpenAI Whisper Large V3 Turbo

✓ Complete offline privacy

✓ Supports 99+ languages

✓ $4.99 once, lifetime use

Whisper Notes app on iOS and macOS • $4.99 once • No subscriptions