All comparisons
Ottex AI icon
Aqua Voice icon
Willow Voice icon
2026 Comparison

Aqua Voice vs Willow Voice vs Ottex AI

An honest, side-by-side comparison of features, pricing, privacy, and technology. Find out which dictation tool fits your workflow.

Quick Overview

Ottex AI icon

Ottex AI

Pricing

Free (BYOK, Local models), or pay-as-you-go (Ottex Provider)

Privacy

Excellent - Choose between Local models and BYOK. You control where data goes.

Key Strength

Free for personal use with BYOK/local models (vs $8-15/mo competitors), Gemini 3 Flash (99

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Aqua Voice icon

Aqua Voice

Pricing

$8/mo, $96/yr

Privacy

Cloud-based processing with Privacy Mode option. When Privacy Mode disabled, transcript data may be stored for product improvement. When enabled, data not stored. TLS-encrypted connections. Team plans support org-wide Privacy Mode.

Key Strength

Industry-leading speed (450ms), 99

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Willow Voice icon

Willow Voice

Pricing

$15/mo, $144/yr

Privacy

SOC 2 compliant, HIPAA compliant, end-to-end encryption. Zero data retention - voice data never stored on servers. Audio and transcripts stored locally on-device only. Privacy Mode available. Optional anonymized data collection for improvement.

Key Strength

Context-aware AI that reads open windows for accuracy, automatic style matching per app, 100+ language support with mid-sentence switching, whisper mode, iOS keyboard app

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Pricing

FeatureOttex AIAqua VoiceWillow Voice
Lifetime Price
Free (Local models, BYOK)
N/A
N/A
Subscription
Free (BYOK, Local models), or pay-as-you-go (Ottex Provider)
$8/mo, $96/yr
$15/mo, $144/yr
Education Discount
Same pricing for all
70% off annual plans with .edu email
~$100/yr (student/nonprofit discount)

Platform

FeatureOttex AIAqua VoiceWillow Voice
Platforms
MacOS, iOS
MacOS, Windows
MacOS, Windows, iOS
Open Source

Technology

FeatureOttex AIAqua VoiceWillow Voice
Transcription Engines
Cloud: Whisper, Gemini 3 Flash, Voxtral. Local: Whisper, Parakeet v3
Avalon (proprietary), uses 6 models including OpenAI infrastructure
Proprietary AI (not specified)
Processing Options
Cloud (BYOK), Local
Cloud
Cloud
Model Selection
Apple Silicon Optimized
Memory Management
Excellent (~50MB)

Dictation

FeatureOttex AIAqua VoiceWillow Voice
Dictation Type
Realtime, Post-Dictation
Realtime, Post-Dictation
Realtime
Speed
<500msLocal <500ms Cloud 500ms–2s with Gemini 3 Flash
<500msInstant Mode: 200ms startup, 450ms paste. Streaming Mode: 850ms response.
<500msSub-200ms latency claimed, sub-1 second with AI post-processing
System-Wide Insertion
Works in any text field via floating text box interface, then paste
Trigger Options
Hotkey, Shortcut
Hotkey
Hotkey
Language Auto Detection
100+ languages with Gemini 3 Flash. Mid-sentence language switching. Best multilingual quality available.
Supports 49 languages
50-100+ languages with automatic on-the-fly detection and mid-sentence switching
Context Awareness
Screenshot-based context analysis. Work modes per app (email, notes, code). Custom instructions per context.
Uses system accessibility APIs to identify relevant words in active applications. Formats output based on app context (legal brief, medical note, casual email, etc.)
Reads open window context to get technical terms, names, project-specific acronyms right. Adapts tone by app category (work, messaging, email).
Dictation History
Stores local history of transcripts and audio
Stored locally on-device only. Does not sync across devices. Can delete all with one click.
Search

Text Processing

FeatureOttex AIAqua VoiceWillow Voice
Voice Corrections

'Scratch that', 'actually'

Precision Typing

'New line', 'new paragraph'

new line, new paragraph
Glossaries
Up to 800 custom words/phrases. No pronunciation tuning required.
Custom Dictionary for product names, acronyms, people names, technical terms
Filler Word Removal
Auto-correction
Claims 99.1% accuracy, fewer errors than Siri or Google Voice. Automatically handles punctuation and paragraph breaks.
Automatic grammar, punctuation, and structure correction as you speak
Translation
via AI commands
Multilingual transcription (49 languages) but no translation between languages

AI & Automation

FeatureOttex AIAqua VoiceWillow Voice
AI Integration
BYOK - OpenRouter, Google AI, OpenAI, Anthropic, Mistral, OpenAI competible providers
Built-in (proprietary)
Built-in (no BYOK)
Custom Prompts
Custom Instructions feature - specify formatting preferences for numbers, currency, percentages, dashes, contractions, sentence structure
Has preset AI Rewrite options (tighten, expand, change tone, fix grammar) but not custom prompts
Inline AI Commands

Unique Ottex feature

Natural language editing like 'Actually, change for example to for instance'. Can say 'Switch to Streaming Mode'.
Voice commands: 'dash', 'new line', 'bullet point' for instant formatting
AI Shortcuts
Meeting Summaries

Features

FeatureOttex AIAqua VoiceWillow Voice
Menu Bar Access
Batch Transcription
Audio File Transcription
Video Transcription
With diarization (speaker separation)
Meeting Recording
With diarization (speaker separation)

Accessibility

FeatureOttex AIAqua VoiceWillow Voice
Apple Shortcuts
Launcher Support

Raycast, Alfred

Raycast, Alfred
No native Raycast/Alfred integrations found. Can be triggered via custom workflows.
No Raycast or Alfred extensions found

Privacy

FeatureOttex AIAqua VoiceWillow Voice
Privacy Policy
Excellent - Choose between Local models and BYOK. You control where data goes.
Cloud-based processing with Privacy Mode option. When Privacy Mode disabled, transcript data may be stored for product improvement. When enabled, data not stored. TLS-encrypted connections. Team plans support org-wide Privacy Mode.
SOC 2 compliant, HIPAA compliant, end-to-end encryption. Zero data retention - voice data never stored on servers. Audio and transcripts stored locally on-device only. Privacy Mode available. Optional anonymized data collection for improvement.

Why Ottex AI is the smart choice

While Aqua Voice and Willow Voice have their strengths, Ottex AI gives you the best of both worlds: enterprise-grade accuracy via Gemini 3 Flash, complete privacy with Local models and BYOK, and zero subscription lock-in.

Best Value

Free forever with local models or your own API keys. Optional $9/mo premium is cheaper than competitors.

Multilingual King

Gemini 3 Flash supports 100+ languages with 99.1% accuracy and mid-sentence switching.

Inline AI

Don't just dictate. Command. "Fix grammar", "Make professional", "Translate" — all while you speak.

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Free for personal use • No credit card required