LectureU vs Murmur Keyboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LectureU
This AI-powered app helps college students record, transcribe, and summarize lectures. It allows users to interact with their notes by asking questions and offers offline access to study materials. Free users receive weekly transcription minutes, with options to earn more or upgrade for unlimited access.
- AI-powered lecture recording
- Real-time transcription
- Automated lecture summarization
- Chat with your notes
- Offline access to recordings
- Free weekly transcription minutes
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Study smarter with LectureU – your AI-powered lecture companion LectureU helps college students stay focused in class and organized after. With one tap, you can record lectures, transcribe them, generate summaries, and chat with your notes using AI. RECORD & TRANSCRIBE Capture lectures or study sessions using your phone or tablet’s microphone. Transcribe audio in real-time or after recording. SUMMARIZE WITH AI Instantly summarize long lectures into digestible study notes. Highlight key points, generate takeaways, and review faster. CHAT WITH YOUR NOTES Ask questions about your recordings and get helpful answers. Search and interact with your own lecture material. BUILT FOR STUDENTS New features are being built daily to provide new tools for students to improve their learning experiences. EXTRA FEATURES: Sign in with Apple Offline access to recordings and summaries FREE & FLEXIBLE Get 30 free transcription minutes every week Earn more time by inviting friends Upgrade to unlimited usage with affordable monthly, semester, or yearly plans Whether you're prepping for finals or just trying to keep up with lectures, LectureU gives you the tools to stay on top of your studies – all in one place. Start studying smarter today.
Murmur Keyboard
This app converts your voice to text using advanced AI, all processed locally on your device for maximum privacy. It functions as a standalone application or a keyboard extension, allowing seamless dictation across any app without internet connectivity.
- 100% on-device transcription
- Offline functionality
- Custom keyboard for any app
- Smart warm/cold engine
- Dark mode support
- Transcription history
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Murmur turns your voice into text — entirely on your iPhone. No internet, no accounts, no data leaving your device. Powered by WhisperKit, Murmur runs a real speech recognition model locally, so your words stay yours. Use it as a standalone app or switch to the Murmur keyboard in any app — Messages, Notes, Mail, wherever you type. Tap the mic, speak naturally, and your transcription appears instantly. Most voice-to-text apps send your audio to the cloud. Murmur doesn't. It runs WhisperKit directly on your iPhone — no server, no account, no data collection. The new keyboard extension lets you dictate in any app, and v2.2 makes the whole flow feel faster and more polished in both light and dark mode. • 100% on-device transcription • Works offline, no cloud processing • Custom keyboard for dictation in any app • Smart warm/cold engine — fast when ready, clear when loading • Dark mode designed to feel intentional, not just inverted • Copy, share, or search your transcription history Your voice. Your words. Your device.
Screenshots
Verdict
The clearest difference is rating: LectureU at 5.0 against Murmur Keyboard's 3.0. LectureU also leads on iOS requirement (15.1 vs 17.0). Murmur Keyboard's advantage is monetization model (free vs freemium) and update cadence (every 5 days vs every 2 weeks). On price, review sentiment, ratings volume and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
LectureU holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
LectureU ships an update every 2 weeks, Murmur Keyboard every 5 days. Both last shipped on November 5, 2026.
| Parameter | LectureU | Murmur Keyboard |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 2 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 47 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Aiden Ducey-Kline | John Wang |
Customer experience
LectureU
Murmur Keyboard
In-app purchases
LectureU
No in-app purchases
Murmur Keyboard
No in-app purchases









