Gladia
Speech To Text
Simplify advanced AI models to unlock your data's full potential
Like Letterly App, Gladia is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
We've curated 45 of the best alternatives to Letterly App, ranked by feature overlap, topic similarity, user ratings, and popularity. Gladia, VemoAI, and Wavify lead the list as the closest matches.
Updated May 18, 2026
The list includes 1 free alternative, 32 freemium, 9 paid, and 3 with a free trial, so whether you're looking for a no-cost replacement or a more capable paid tier, there's an option to compare. Letterly App itself is freemium, which makes freemium alternatives the most natural starting point.
Many of these tools cluster around use cases like Speech To Text, Speech Recognition, Transcription, and Audio Transcription — the same problem spaces Letterly App addresses. Cross-referencing tools that overlap on multiple topics gives a more reliable signal than category alone, because two products in the same category can still serve very different workflows.
Our ranking weighs eight signals: shared category, topic overlap, feature overlap, name and description text similarity (via PostgreSQL's pg_trgm and tsvector), Bayesian-smoothed user ratings, pricing-model match, popularity, and editorial overrides. Scores are then normalized within each tool's own candidate pool so the top match always represents the strongest available alternative.
Use the table of contents below to jump to free or paid alternatives, or scroll down to compare each option side-by-side with Letterly App.
Ranked by compatibility score
Speech To Text
Simplify advanced AI models to unlock your data's full potential
Like Letterly App, Gladia is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Convert messy thoughts into clear text fast
Like Letterly App, VemoAI is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
1 free and 32 freemium options.
9 paid options.
21 additional candidates
Like Letterly App, Wiz Write is in the Speech To Text category. Wiz Write is paid, while Letterly App is freemium. Worth comparing on the detail page.
Like Letterly App, SpeechPulse is in the Speech To Text category. SpeechPulse is paid, while Letterly App is freemium. Worth comparing on the detail page.
Gladia ranks as the highest-scoring alternative to Letterly App, based on shared category, topic overlap, feature similarity, and user ratings. Ratings are still being collected for this tool.
Yes — 1 fully free and 32 freemium alternatives are available, including Gladia, VemoAI, and Wavify.
Gladia is similarly priced (freemium) and sits in the same category (Speech To Text). View its detail page to compare features, integrations, and reviews side-by-side.
Top Speech To Text alternatives include Gladia, VemoAI, Wavify, and Speechmatics. These tools share the same primary category and have meaningful topic overlap with Letterly App.
Neither Letterly App nor Gladia has user ratings yet — be the first to review either tool to help future visitors compare them.
Speech To Text
Embed powerful speech AI into any software
Like Letterly App, Wavify is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Transcribed audio analysis for content search.
Like Letterly App, Speechmatics is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Convert speech to text in 14 languages with top accuracy
Like Letterly App, SpeechFlow is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Accurately transcribe real-time speech to text.
Like Letterly App, Speech to Text by Revoo is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Speak naturally, write perfectly, 3x faster.
Like Letterly App, Wispr Flow is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Voice type on any website with AI dictation.
Like Letterly App, BlabbyAI Speech to Text is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Convert speech to text and synthesize natural speech.
Like Letterly App, Eden AI is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Transform speech into accurate text in seconds.
Like Letterly App, Scribe is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Transform voice notes into clear summaries.
Like Letterly App, Audiopen is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Analyzed and generated text and speech.
Like Letterly App, OASIS AI is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Edit videos with AI-powered text commands.
Like Letterly App, KwiCut is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Transcribe audio and video in minutes with accuracy and ease.
Like Letterly App, Vatis Tech is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Transcribe audio and video to text in seconds.
Like Letterly App, Videotowords AI is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Turn speech to text with AI-powered transcription and editing.
Like Letterly App, Descript is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Japanese reading comprehension improved for learners.
Like Letterly App, Oyomi is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
AI-powered voice to text for macOS
Like Letterly App, Superwhisper is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Summarize and organize your thoughts with AI.
Like Letterly App, Vribble is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
AI-powered vocal recording tool.
Like Letterly App, VoiceRec is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Speech to Clear Text for iOS and macOS
Like Letterly App, VoicePen App is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
Turn audio into organized todos and notes.
Like Letterly App, Speechy is in the Speech To Text category. Both are freemium. Worth comparing on the detail page.
Speech To Text
WhatsApp voice to text: Read, don't listen.
Like Letterly App, EchoFox is in the Speech To Text category. EchoFox is paid, while Letterly App is freemium. Worth comparing on the detail page.
Speech To Text
Transform meetings into accurate transcriptions and insights.
Like Letterly App, TakeNote is in the Speech To Text category. TakeNote is paid, while Letterly App is freemium. Worth comparing on the detail page.
27 more free/freemium alternatives listed below. Browse all Letterly App alternatives ↓
33 free or freemium alternatives to Letterly App on /tools/letterly-app/alternatives.
3 more paid alternatives listed below. Browse all Letterly App alternatives ↓
9 paid alternatives to Letterly App on /tools/letterly-app/alternatives.
Like Letterly App, WhisperWizard is in the Speech To Text category. WhisperWizard is paid, while Letterly App is freemium. Worth comparing on the detail page.
