Willow Voice vs Wispr Flow 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
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
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
Wispr Flow
Pricing
2,000 words/wk free. $15/mo, $144/yr. Team plan: $12/mo, $120/yr
Privacy
Excellent - Enterprise-grade security with SOC 2 Type II, ISO 27001, and HIPAA certifications. Cloud-only (no local/offline mode), but compliance certifications are serious and thoroughly audited.
Key Strength
Excellent accuracy (especially English), proprietary model, voice shortcuts, enterprise security certifications (SOC 2 Type II, HIPAA, ISO 27001)
Pricing
| Feature | Ottex AI | Willow Voice | Wispr Flow |
|---|---|---|---|
| Lifetime Price | Free (Local models, BYOK) | N/A | N/A |
| Subscription | Free (BYOK, Local models), or pay-as-you-go (Ottex Provider) | $15/mo, $144/yr | 2,000 words/wk free. $15/mo, $144/yr. Team plan: $12/mo, $120/yr |
| Education Discount | Same pricing for all | ~$100/yr (student/nonprofit discount) | 3/mo free, then 50% off, $72/yr |
Platform
| Feature | Ottex AI | Willow Voice | Wispr Flow |
|---|---|---|---|
| Platforms | MacOS, iOS | MacOS, Windows, iOS | MacOS, iOS, Windows |
| Open Source |
Technology
| Feature | Ottex AI | Willow Voice | Wispr Flow |
|---|---|---|---|
| Transcription Engines | Cloud: Whisper, Gemini 3 Flash, Voxtral. Local: Whisper, Parakeet v3 | Proprietary AI (not specified) | Proprietary (excellent accuracy, especially for English) |
| Processing Options | Cloud (BYOK), Local | Cloud | Cloud (Included) |
| Model Selection | |||
| Apple Silicon Optimized | |||
| Memory Management | Excellent (~50MB) |
Dictation
| Feature | Ottex AI | Willow Voice | Wispr Flow |
|---|---|---|---|
| Dictation Type | Realtime, Post-Dictation | Realtime | Post-Dictation |
| Speed | <500msLocal <500ms
Cloud 500ms–2s with Gemini 3 Flash | <500msSub-200ms latency claimed, sub-1 second with AI post-processing | <500ms |
| System-Wide Insertion | |||
| Trigger Options | Hotkey, Shortcut | Hotkey | Hotkey, Shortcut, Mouse |
| Language Auto Detection | 100+ languages with Gemini 3 Flash. Mid-sentence language switching. Best multilingual quality available. | 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. | Reads open window context to get technical terms, names, project-specific acronyms right. Adapts tone by app category (work, messaging, email). | |
| Dictation History | Stored locally on-device only. Does not sync across devices. Can delete all with one click. | ||
| Search |
Text Processing
| Feature | Ottex AI | Willow Voice | Wispr Flow |
|---|---|---|---|
| Voice Corrections 'Scratch that', 'actually' | |||
| Precision Typing 'New line', 'new paragraph' | new line, new paragraph | ||
| Glossaries | Custom Dictionary for product names, acronyms, people names, technical terms | ||
| Filler Word Removal | |||
| Auto-correction | Automatic grammar, punctuation, and structure correction as you speak | ||
| Translation | via AI commands |
AI & Automation
| Feature | Ottex AI | Willow Voice | Wispr Flow |
|---|---|---|---|
| AI Integration | BYOK - OpenRouter, Google AI, OpenAI, Anthropic, Mistral, OpenAI competible providers | Built-in (no BYOK) | None |
| Custom Prompts | Has preset AI Rewrite options (tighten, expand, change tone, fix grammar) but not custom prompts | ||
| Inline AI Commands Unique Ottex feature | Voice commands: 'dash', 'new line', 'bullet point' for instant formatting | ||
| AI Shortcuts | |||
| Meeting Summaries |
Features
| Feature | Ottex AI | Willow Voice | Wispr Flow |
|---|---|---|---|
| Menu Bar Access | |||
| Batch Transcription | |||
| Audio File Transcription | |||
| Video Transcription | With diarization (speaker separation) | ||
| Meeting Recording | With diarization (speaker separation) |
Accessibility
| Feature | Ottex AI | Willow Voice | Wispr Flow |
|---|---|---|---|
| Apple Shortcuts | |||
| Launcher Support Raycast, Alfred | Raycast, Alfred | No Raycast or Alfred extensions found |
Privacy
| Feature | Ottex AI | Willow Voice | Wispr Flow |
|---|---|---|---|
| Privacy Policy | Excellent - Choose between Local models and BYOK. You control where data goes. | 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. | Excellent - Enterprise-grade security with SOC 2 Type II, ISO 27001, and HIPAA certifications. Cloud-only (no local/offline mode), but compliance certifications are serious and thoroughly audited. |
Why Ottex AI is the smart choice
While Willow Voice and Wispr Flow 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.
Free for personal use • No credit card required