Polinu vs Lecture Recorder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Polinu
Master new languages by reading ePub books you love. Get instant word translations, detailed grammatical analysis, and build vocabulary with smart flashcards and spaced repetition. Track your progress with in-depth analytics.
- Read ePub books in multiple languages
- Instant word translations and contextual meaning
- Verb conjugations and noun declensions
- Part-of-speech analysis
- Personalized flashcard decks
- Spaced-repetition algorithm
- Memory strength tracking
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Polinu - Immersive Language Learning Through Reading Master any language by reading books you love. Upload ePub files in multiple languages and transform reading into powerful vocabulary acquisition. RICH LINGUISTIC ANALYSIS: - Instant word translations with contextual meaning - Complete verb conjugations and noun declensions - Part-of-speech analysis and grammatical insights - Highlight words while reading for deeper understanding SMART VOCABULARY BUILDING: - Add highlighted words to personalized flashcard decks - Advanced spaced-repetition algorithm optimizes retention - Track memory strength distribution across your vocabulary - Study words in context, not isolation DETAILED ANALYTICS: - Memory strength visualization and progress tracking - Part-of-speech breakdown (verbs, nouns, adjectives, other) - Study time analytics and session insights - Total reading time and engagement metrics Perfect for language learners who want to expand vocabulary through authentic content rather than artificial exercises. By subscribing, you agree to our Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ and Privacy Policy: https://polinu.co/privacy
Lecture Recorder
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Earnote takes notes in your lectures for you. Put your iPhone on the desk, start recording and turn the screen off. When the lecture is over, your notes are ready: structured, with the key terms, open tasks and flashcards to study with. FREE AND PRIVATE • No account, no ads, no subscription • Your recording stays on your iPhone • Speech recognition runs on the device HOW YOUR NOTES ARE WRITTEN – YOU CHOOSE • On this iPhone: offline, everything stays on the device (newer iPhones) • With your Mac: your iPhone records, Earnote on your Mac writes the notes and sends them back • Free with Google or OpenRouter: with your own key, set up in three steps RECORD LIKE A VOICE RECORDER • Keeps going with the screen off, for hours • Pauses for phone calls, continues with AirPods • Live Activity on the Lock Screen and in the Dynamic Island • Start from Control Center, the Action button, a widget or Siri STUDY • Flashcards from every lecture, quiz yourself right in the app • PDF study sheets • Export for Anki • Areas for each subject, with your own instructions for the notes EVERYWHERE YOU WORK • Automatically to Notion, Obsidian, a folder, Todoist or Reminders • Share as text, PDF or Anki file • Import recordings from Voice Memos or WhatsApp EARNOTE PRO – ONE-TIME PURCHASE, NO SUBSCRIPTION • Recognize speakers: who said what • Ask questions about your notes • Tap “Important” – the moment lands in the exam radar • Translate notes and transcripts Try every feature three times for free. Everything else stays free. Earnote is open source (MIT) and also available for the Mac: earnote.dev Please get everyone's consent before recording – in lectures, the lecturer's permission.
Screenshots
Verdict
Polinu and Lecture Recorder are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Polinu sells 2 in-app purchases, starting at $6.99 per month and Lecture Recorder sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Polinu ships an update weekly, Lecture Recorder every 11 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.
| Parameter | Polinu | Lecture Recorder |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly — better | Every 11 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 26.0 | 26.0 |
| Further details — not scored | ||
| Size | 87 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Adam Gerber | LOUIS MANUEL KLINKE |
In-app purchases
Polinu
- Monthly$6.991 Month
- Yearly3 Days trial$49.991 Year
Lecture Recorder
- Kleines Trinkgeld$1.99
- Mittleres Trinkgeld$3.99
- Earnote PRO$8.99









