The fastest, most accurate translation engine, live in every lecture. Called on? Claude has your line. Afterwards, send the whole class to a friend in one tap.
BufferMind is a real-time transcription and translation app built for students learning in a language that is not their first. It listens to your lecture, transcribes every word, and translates it as the professor speaks — so you can follow along live, and actually understand it afterwards.
REAL-TIME TRANSCRIPTION
Fast, accurate speech-to-text across 15+ input languages including English, Chinese, Spanish, Hindi, Korean, Japanese, French and German, with an auto-detect mode for multilingual classrooms.
INSTANT TRANSLATION
Original and translation side by side as the lecture unfolds — Chinese, English, Hindi, Korean, Japanese and Spanish. You can also have the translation read aloud through your headphones while class is still running.
ANDY, YOUR AI TEACHING ASSISTANT
Ask Andy anything about a lecture you recorded and get an answer grounded in your own transcript, not the open internet. Snap a photo of a problem on the board and ask about that instead. Andy also catches the moment your name is called, so you do not miss it.
A HISTORY YOU CAN ACTUALLY USE
Every session keeps its transcript, translation and audio. Tap any word to jump to that exact second of the recording. Search across everything you have ever recorded. Group sessions into folders by course, and upload the syllabus so Andy knows what the class is about.
LIVE ACTIVITY
An active recording stays visible on the Lock Screen and in the Dynamic Island, so you can confirm it is still running without unlocking your phone.
TALKING TO PEOPLE
Push-to-talk translated conversation for talking to someone face to face — Chinese, English, Cantonese, Japanese, Korean, Spanish and Hindi. Add friends to share sessions, chat with text, photos, video and voice messages, or start a voice or video call.
TRY IT WITHOUT AN ACCOUNT
Tap "Continue as Guest" and start recording, transcribing and translating immediately — no email, no signup. Guest sessions are capped at 10 minutes each. Sign in with Apple, Google, LINE or email to lift that cap, sync across your devices, and unlock Andy, friends and chat.
PLANS
BufferMind is free to start: creating an account gives you a monthly allowance of recording and AI usage at no charge. When you need more, Pro and Max are available as auto-renewing subscriptions.
• Pro — US$9.99 per month, or US$19.99 every 3 months
• Max — US$19.99 per month, or US$49.99 every 3 months
Payment is charged to your Apple Account at confirmation of purchase. A subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours prior to the end of that period. You can manage your subscription and turn off auto-renew in your Apple Account settings after purchase.
PRIVACY
Audio streams to our speech-to-text provider (Soniox) only while you are recording, and is not retained on their side once the session ends. Your recordings, transcripts and translations live in your own private BufferMind account. Delete any single session — or your entire account and everything in it — at any time from Settings. We do not track you and we do not sell your data.
COMMUNITY GUIDELINES
Chat and calls only happen between people who have accepted each other as friends, and you can remove a friend at any time. We have zero tolerance for abusive or objectionable content: press and hold any message to report it, and we review every report.
Privacy Policy: https://buffermind.com/privacy
Terms of Use: https://buffermind.com/terms
NEW — Translations stay with the sentence they belong to
Each translation now lands under the sentence it actually translates, instead of sometimes sticking to the start of the next one. And when a sentence's translation arrives, it shows right away rather than waiting for the speaker's next sentence.
NEW — Bring your own term list
Already have a list of terms? In Import terms, choose Option 3 to add it as is — a photo, Excel, Word, PDF or text file — with no AI extraction. Photos are recognized on your device. You can also add single terms with the + button.
NEW — Folders show how many recordings they hold
Each folder in the list shows its number of recordings, and folders with the latest recordings come first.
Also new
- Announcements only appear the moment you open the app. If you've already started doing something, they wait for next time.
- Messages: your friend's avatar sits next to their messages, emoji-only messages are shown larger, sent messages no longer flicker or jump, and the unread count in the sidebar clears as soon as you open a chat. iPad gets the emoji panel too.
- iPad: resizing the window no longer shows the page mid-layout; the sidebar slides open as smoothly as it closes, and the search field no longer flickers; pinning a recording moves its card to the top; continuing or stopping a recording animates the bottom bar like on iPhone; full-screen review notes are no longer covered by the sidebar.
- Buttons, search fields and the playback and recording bars now share one glass style, tuned for light and dark mode.
Fixes
- System audio recording: after you save or delete, iOS no longer shows a "broadcast stopped" alert.
- Signing in: if sending or checking the code gets no response within 15 seconds, you're told, instead of a spinner that never ends.
- The top cards in All Recordings no longer jitter when the page opens.
Version 1.2.7
The developer, ZECHANG HE, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
Purchases
Contact Info
User Content
Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
Purchases
Usage Data
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
Seller
ZECHANG HE
Size
58 MB
Category
Education
Compatibility
Requires iOS 16.2 or later.
iPhone Requires iOS 16.2 or later.
iPad Requires iPadOS 16.2 or later.
Mac Requires macOS 13.1 or later and a Mac with Apple M1 chip or later.