
Otter.ai
AudioPen
Speech to Note
TalkNotes
Notta.ai
Sonix.ai
InstantOwl
Convert any speech to clear and structured text

Profound
AI marketing platform for brands.

Which is more popular?
Based on our record, Letterly.app seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | letterly.app | digraph.dev |
| Pricing | — | |
| Platforms | — | |
| Company | 2023 | Startup from the United States · 1 - 9 employees |
| Listed in |
In their own words, as submitted to SaaSHub.


Letterly is a mobile app that converts any speech into clear & well-structured text using AI technology. It goes beyond mere transcription by enabling users to easily rewrite their speech into structured notes, engaging social media content, concise meeting summaries, formal emails, and so...
Digraph is an AI marketing platform for brands. It brings together AI research, market intelligence, website and campaign analysis, specialist AI workflows, and marketer-led guidance to help teams understand what shapes buyer decisions and what to do next. Teams can measure how AI systems...
What each product offers, as listed by its team.


Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Letterly.app and Digraph.dev. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Use it mainly to turn my thoughts into notes and messages. Saves me a lot of time. And helps me not to delay when I need to write smth.
We have no reviews of Digraph.dev yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


We’ve just launched Letterly.app, that’s why haven’t integrated push notifications, authentification (for email) and social media. Source: almost 3 years ago
Tracking Digraph.dev since Oct 2026.
When comparing Letterly.app and Digraph.dev, you can also consider the following products.

Your AI meeting assistant that takes live notes and generates summaries and other insights using Meeting GenAI.
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Profound helps brands gain visibility in AI-generated answers, optimize their presence in LLM-based answer engines, and stay competitive in the zero-click world.
Compare Profound to Letterly.app or Digraph.dev:

The easiest way to convert messy thoughts into clear text
Compare AudioPen to Letterly.app or Digraph.dev:

Experience the power of our AI-driven tool as it instantly transforms your spoken words into a concise and informative summary!
Compare Speech to Note to Letterly.app or Digraph.dev:

Create transcripts, blog posts, video scripts & more. Just talk casually and let the AI handle the rest! Works in 50+ languages.
Compare TalkNotes to Letterly.app or Digraph.dev:

Automatically turn audio into editable, searchable and sharable text. Notta helps unleash the power of voice and brings your productivity to the next level.
Compare Notta.ai to Letterly.app or Digraph.dev: