W
WOpenWhispr vs Vosk
Pricing, features, platforms and who each one suits — side by side.
O
Choose OpenWhispr if…
- you work on macOS, Windows
- you're in its core audience: developers, writers
V
Choose Vosk if…
- you work on Android, Self-hosted
- you're in its core audience: software developers, embedded and iot engineers
Side by side
Feature OpenWhispr Vosk
Pricing modelFreemiumFree
Starting price$6.67/moFree
Free plan
Free trial
API
Open source
Trains AI on your contentNo—
Data retentionCloud recordings deleted after transcription; desktop audio kept 30 days by default—
Security and complianceSOC 2 Type II, ISO 27001, HIPAA, GDPR—
Updates, last 90 days5—
Speaker labels
Bot-free recording—
File upload—
Custom note templates—
HIPAA compliant—
MCP server—
PlatformsmacOS, Windows, Linux, iOS, APILinux, Android, iOS, API, Self-hosted
CategoryTranscriptionTranscription
CompanyGizmo Labs Inc.Alpha Cephei
Based inUnited States—
Founded——
Part of——
Key features
O OpenWhispr
- Dictation into any app that accepts text
- On-device speech-to-text that works offline
- Bring your own API keys for cloud transcription
- Bot-free meeting recording with speaker labels
- 100+ languages with auto-detection
- Custom dictionary that learns from corrections
- Voice commands to clean up or draft text
- Audio file upload and transcription
V Vosk
- Fully offline speech recognition
- Streaming API for real-time transcription
- Speaker identification
- Quick vocabulary reconfiguration
- Compact models of about 50 MB per language
- Larger server models available
- Bindings for Python, Java, C#, JavaScript and more
- Runs on Raspberry Pi, Android and iOS
Plans and prices
From each vendor's site. Prices change — confirm before buying.
OpenWhispr
Free$0
Pro$6.67/user/mo ($80/user billed annually)
Business$13.33/user/mo ($160/user billed annually)
EnterpriseCustom
Vosk
Open sourceFree
Strengths and limitations
OpenWhispr
- Unlimited local dictation is free on every plan
- Open source under the MIT license
- Works offline with on-device models
- Lists SOC 2 Type II, ISO 27001, HIPAA and GDPR compliance
- Free plan limits OpenWhispr Cloud transcription to 2,000 words a week
- iOS app and device sync require a paid plan
- No Android app listed
- Paid prices shown are for annual billing
Vosk
- Open source under the Apache-2.0 license
- Works fully offline, including on lightweight devices
- Supports 20+ languages and dialects
- Small models of about 50 MB each
- A developer toolkit, with no ready-made end-user app
- No commercial plans or pricing published on the site
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Built from each vendor's public website; we haven't tested them hands-on. Editorial policy