Dumai
AI-powered voice notes in 99+ languages, works offline
What is Dumai? Complete Overview
Dumai is an AI-powered voice note application that helps users capture thoughts, ideas, and conversations in any language and transforms them into organized, searchable notes. It solves the problem of forgotten ideas and unprocessed thoughts by providing instant voice capture with AI-powered summarization and organization. The app works completely offline, making it available anytime, anywhere. Target users include professionals who need meeting notes, students capturing lectures, creative thinkers with spontaneous ideas, and anyone who wants to preserve important thoughts and memories. Dumai stands out with its 99+ language support, offline functionality, and powerful AI features that automatically organize and summarize voice notes.
Dumai Interface & Screenshots

Dumai Official screenshot of the tool interface
What Can Dumai Do? Key Features
Offline Voice Recording
Dumai works without internet connection, allowing you to capture thoughts anytime, anywhere. Your recordings are stored locally and sync when you reconnect. This ensures you never miss an important idea due to poor connectivity.
99+ Language Support
Capture thoughts in virtually any language with Dumai's extensive language support. The app automatically detects and transcribes your speech regardless of the language you're speaking in.
AI Summarization
Dumai's AI automatically generates concise summaries of your recordings, extracting key points and action items. This transforms lengthy conversations or rambling thoughts into organized, actionable notes.
Smart Auto-Tagging
The app automatically categorizes your notes with relevant tags based on content analysis. This creates an organized, searchable archive of all your thoughts and conversations.
Multi-Format Capture
Dumai supports voice-only, text-only, or combined voice-and-text notes, giving you flexibility in how you capture information based on your situation and preference.
Best Dumai Use Cases & Applications
Meeting Notes
Professionals can record meetings and get automatic summaries with action items, decisions, and key discussion points extracted. Example: Team meeting notes transformed into clear action items like 'Sarah will lead mobile app redesign initiative' with relevant tags (#meeting, #work).
Lecture Capture
Students can record lectures and receive organized summaries of key concepts and takeaways, making study and review more efficient. The offline functionality is particularly useful in classrooms with poor connectivity.
Creative Brainstorming
Creatives can capture spontaneous ideas during brainstorming sessions, with Dumai organizing scattered thoughts into structured concepts. Example: App feature ideas automatically tagged and grouped for later review.
Medical Appointments
Patients can record doctor visits and receive clear summaries of diagnoses, medications, and follow-up requirements. Example: Doctor visit notes highlighting 'Blood pressure is 120/80' and 'Schedule next checkup for March 15th' with #health and #todo tags.
How to Use Dumai: Step-by-Step Guide
Open the Dumai app and press the record button to start capturing your thoughts, ideas, or conversations. The app works offline so you can record anywhere.
Speak naturally in any of 99+ supported languages. Dumai will capture your voice input and begin processing it immediately.
When finished, stop the recording. Dumai automatically processes your audio, generating a transcription and AI summary.
Review the automatically generated summary, tags, and transcription. You can edit or add additional context if needed.
Access your organized notes anytime through the app's searchable interface. Notes sync across devices when you're online.
Dumai Pros and Cons: Honest Review
Pros
Considerations
Is Dumai Worth It? FAQ & Reviews
Yes, Dumai's core recording functionality works 100% offline. Your recordings are stored locally and will sync with the cloud when you reconnect to the internet.
Dumai supports voice recording and transcription in 99+ languages, covering most major world languages and many regional dialects.
Yes, all AI-generated content including summaries and tags can be edited manually to ensure accuracy and add personal context.
Yes, Dumai is available on the App Store (iOS) with an Android version coming soon. You can find the iOS app at the provided App Store link.