How do their growth rates compare?

Letterly has a month-over-month growth rate of -43.9%; OpenWhispr (OpenWispr) has 0%.

How does pricing compare?

Letterly: Freemium. Letterly is free to start with a freemium model. The free tier covers everyday dictation, while paid plans unlock higher usage limits and advanced features; pricing is shown in-app and on the website. OpenWhispr (OpenWispr): Freemium. Free forever tier with unlimited local dictation, 2,000 words/week of OpenWhispr Cloud transcription and 5 hours of meeting recordings per month. Pro is $6.67/user/month billed annually ($80/user/year) and adds unlimited cloud transcription, agent mode, 20 hours of meetings, device sync, API access and MCP integration. Business is $13.33/user/month annually ($160/user/year) with unlimited meeting recordings and chat over your data. Enterprise is custom with SSO/SAML, SCIM, audit logs and retention controls.

What are alternatives to Letterly and OpenWhispr (OpenWispr)?

Other tools in related categories include TurboScribe, Notta, Video Transcriber AI, OpenWhispr, Superwhisper.

Letterly vs OpenWhispr (OpenWispr) — Traffic (53.01K vs 0), Pricing & Verdict

Open AI Tools

Letterly vs OpenWhispr (OpenWispr) — Traffic (53.01K vs 0), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	Letterly	OpenWhispr (OpenWispr)
Official Domain	letterly.app	openwispr.com
Pricing Model	Freemium	Freemium
Monthly Visits	53.01K (53,009)	0 (0)
MoM Traffic Delta	-41.48K (-43.9%)	0 (0%)
Primary Market & Share	🇺🇸 United States (35%)	🌐 Global (—)
Direct Visits / mo	40.98K	0
User Rating	4.3	4.6
Supported Platforms	Website	Website

Letterly

Speak once, get polished text anywhere you type

Dictate into any app

Speak inside Gmail, Slack, Notion or any other text field and have clean text appear where you were typing, instead of switching apps.

AI rewrites and styles

Convert raw speech into notes, emails, posts or meeting summaries using ready-made styles or your own saved formats.

Meeting and lecture transcripts

Record up to around 90 minutes, get a transcript split by speaker, and generate a summary alongside the full text.

90+ languages with auto-detect

Language detection happens automatically as you speak, and you can switch mid-sentence without changing settings.

Strengths & Pros

+Works as both a dedicated app and a dictation layer inside tools you already use
+Handles long recordings and separates speakers, which basic dictation tools often cannot
+90+ languages with automatic detection and mid-sentence switching
+Available on iOS, Android, macOS, Windows and web with sync, plus offline recording