Comparison

Letterly vs Comu AI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Letterly

Instantly transform your speech into polished text for notes, messages, social media, and more. Organize with custom tags, use offline, and choose from over 25 rewrite styles. Supports over 90 languages and syncs across all your devices.

Highlights
  • Speech to text transcription
  • Customizable text rewriting
  • Note organization with tags
  • Offline recording
  • Multi-language support
  • Cross-device syncing
  • Audio file upload transcription
Features
Read full description

Turn your speech into brilliant text – instantly. Write anything, anytime. Perfect for notes, messages, emails, meeting summaries, journal entries, social media posts, and much more. Find your own unique use case! HOW IT WORKS This isn’t just a transcription tool. Just record any speech, and get polished, ready-to-use text immediately. USE CASES - Note-taking: ideas, to-dos, shopping lists, plans - Communication: messages, emails, comments - Content creation: social media posts, articles, newsletters, scripts - Journaling: thoughts, emotions, memories, gratitude - Meetings: summaries, minutes, action plans USEFUL FEATURES - Tags: organize notes with custom tags for easy navigation - Offline mode: capture thoughts anytime, even without internet - Any device: iPhone, Web, Mac, or iPad – notes stay synced across all platforms - Rewrite options: choose from 25+ premade rewrite styles or create your own - 90+ languages: speak freely – language is detected automatically - Widget: start recording instantly from your home screen - Translate: convert voice notes to any language in seconds - Quick sharing: send your text anywhere via Share button or integrations like Zapier - Audio upload: transcribe recordings made outside the app - Long recordings: record up to 90 minutes per note with unlimited recordings Download and try it today! We’ve designed the app to be simple, intuitive, and perfect for daily use. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula

About

Comu AI

This AI-powered voice recorder offers high-accuracy transcription in over 100 languages with smart speaker identification. It provides one-tap summaries, extracts key topics, conclusions, and action items, and allows you to query transcripts for instant insights. Securely manage and share your recordings with enterprise-grade encryption.

Highlights
  • High-accuracy transcription in 113 languages
  • Smart speaker identification
  • One-tap summaries (topics, conclusions, action items)
  • Query transcripts for insights
  • Multiple format export and sharing
  • Keyword search
  • Import audio and video files
Features
Read full description

Comu — Your Pocket-sized AI Workmate Comu goes beyond recording, transcription, and summaries. It understands your conversations, notes, images, and files, then helps turn them into clear next steps and ready-to-use work. Capture every conversation • Record meetings, calls, interviews, and ideas with the Comu app or a compatible Comu device. • Follow conversations with live transcription and translation. • Keep speaker-labeled transcripts, notes, highlights, and attachments together. Understand what matters • Generate structured summaries, insights, and Actions from recordings. • Include notes, images, and files in multimodal AI analysis. • Choose templates, recording languages, and AI output languages for your workflow. Turn conversations into work • Ask Comu questions across recordings, Contacts, Actions, and past conversations. • Create editable slides, documents, reports, and email drafts from real context. • Let longer tasks continue in the background and return when the result is ready. Stay ahead of what comes next • Capture follow-ups as Actions and continue them with Comu. • Prepare for upcoming meetings using related recordings, decisions, and open items. • Get reminders and updates so important work does not get lost. Keep everything organized • Search and manage recordings, imported files, Contacts, Actions, tags, and smart classification in one place. • Share or export audio, transcripts, notes, summaries, insights, and Actions in supported formats. Privacy and control Manage cloud backup, AI processing, notifications, biometric app protection, and other privacy preferences from the app. Your content remains under your control. Some AI capabilities require Credits or an eligible subscription. Feature availability may vary by plan, device, firmware, language, or region. Privacy Policy: https://web.comulytic.ai/agreement/private-policy Terms of Use: https://web.comulytic.ai/agreement/terms-of-user

Screenshots

Letterly4 screens
Comu AI4 screens

Verdict

The call

The clearest difference is ratings volume: Letterly at 1.1K against Comu AI's 29. Letterly also leads on review sentiment (78% vs 61%) and rating (4.7 vs 4.5). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Letterly sells 9 in-app purchases, starting at $19.99 per month and Comu AI sells 15 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Letterly holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Letterly has 1.1K ratings behind it against 29, so its average is the more settled of the two. Written reviews point the same way: 78% of Letterly's written reviews are positive against 61% of Comu AI's.

UpkeepUpdate frequency

Letterly ships an update every 10 days, Comu AI weekly. Both last shipped on October 30, 2026.

Scorecard4 real differences · 6 level
Letterly versus Comu AI: the parameters behind the verdict, then further details
ParameterLetterlyComu AI
PriceFreeFree
Rating4.7 (1.1K ratings) — better4.5 (29 ratings)
Positive reviews78.1% of reviews — better60.9% of reviews
Number of ratings1.1K — better29
Update frequencyEvery 10 daysWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone
Requires iOS16.016.0
Further details — not scored
Size95 MB240 MB
Age rating4+4+
DeveloperAnton LebedevTrustEcho

Customer experience

Letterly

All ratings1,125 ratings
Positive93.7%
Neutral1.5%
Negative4.8%
Written reviews201 reviews
Positive78.1%
Neutral4.5%
Negative17.4%

Comu AI

All ratings29 ratings
Positive86.2%
Neutral3.4%
Negative10.3%
Written reviews23 reviews
Positive60.9%
Neutral4.3%
Negative34.8%

Bugs and requests

Letterly

Reported bugs

3 issues
  • Login screen freezes
  • Incompatible with older devices
  • When I get phone calls, I lose the entire recording

Requested features

3 requests
  • Dark mode option
  • Advanced analytics dashboard
  • Ability to use the artificial intelligence to search through all of my old notes for similar topics or keywords

Comu AI

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Letterly

Subscriptions7
  • PRO Subscription (1 month)$19.991 Month
  • PRO Subscription (3 months)$44.903 Months
  • PRO Subscription (1 Year)7 Days trial$69.991 Year
Show 4 more
  • PRO Subscription (1 Year)7 Days trial$79.991 Year
  • PRO Subscription (1 Year)7 Days trial$89.991 Year
  • PRO Subscription (12 months)7 Days trial$99.991 Year
  • PRO Subscription (12 months)14 Days trial$99.991 Year
One-time2
  • PRO Subscription (Lifetime)$199.99
  • PRO Subscription (Lifetime)$249.99
15 purchases

Comu AI

Subscriptions10
  • Monthly Premium First Month1 Month trial$14.991 Month
  • Premium Plan (Monthly) (1 Month)7 Days trial2 variants$14.991 Month
  • Monthly Premium7 Days trial2 variants$14.991 Month
Show 7 more
  • Monthly Elite7 Days trial2 variants$39.991 Month
  • Annual Premium1 Year trial$119.991 Year
  • Premium Plan (Annually) (1 Year)7 Days trial2 variants$119.991 Year
  • Annual Premium7 Days trial2 variants$119.991 Year
  • Annual Elite7 Days trial$359.991 Year
  • Annual Elite1 Year trial$359.991 Year
  • Elite Annual7 Days trial$359.991 Year
One-time5
  • S Credits Pack$9.99
  • M Credits Pack$19.99
  • XL Credits Pack$99.99
Show 2 more
  • Starter Plan$99.99
  • Starter Plan (Permanent)$99.99

Questions

Is Letterly free?
Letterly is free to download, with in-app purchases available.
Is Comu AI free?
Comu AI is free to download, with in-app purchases available.
Which has better reviews, Letterly or Comu AI?
Letterly is rated higher. Letterly averages 4.7 out of 5 from 1.1K ratings, while Comu AI averages 4.5 from 29 ratings.
Do Letterly or Comu AI have ads?
Neither Letterly nor Comu AI shows ads.
Which is updated more often, Letterly or Comu AI?
Letterly ships an update every 10 days, and Comu AI weekly. Most recently, Letterly was updated on October 30, 2026 and Comu AI on October 30, 2026.

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