Memokeys vs Hekko
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Memokeys
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The Memokeys app provides an easy and fun way to memorise connections between words: a great help in learning foreign languages and unfamiliar terms! You enter a couple of words or expressions - keys. A smart algorithm that uses a human memory model will quiz you to remember the connections between words from the first to the second or vice versa. The successes and mistakes of your actions are analyzed and remembered. The algorithm adapts to select the most essential pair of words for you at any time. For the best performance of the algorithm, it is desirable to enter a couple of dozen pairs of words over several days. Each key pair has a unique background color scheme associated with the text code. You can add an image from your photo collection to the key pair, or take an instant camera photo. FAQ How to adjust the probability balance of the quiz from the first word to the second? - The smart algorithm manages the direction on its own, but you can manually adjust the desired probability in the Settings page. The new settings take effect gradually. Is it case-sensitive, as well as spaces? - No, you don't have to worry about letter case, leading and trailing spaces. How to edit or delete a pair of memo word keys? - After passing the quiz, you can click on the Edit button. There will also be the Delete option. Did you know? The app's background gradient is a clock in 24 hour time format.
Hekko
This app automatically transforms lectures and imported documents into organized study notes, quizzes, and flashcards. It helps students focus on learning by handling note-taking and offers AI-powered explanations and spaced revision scheduling.
- Automatic lecture recording and note structuring
- Import slides and PDFs
- Generate revision sheets, quizzes, and flashcards
- AI-powered explanations and Q&A
- Spaced revision scheduling
- Multilingual support for notes
- Organize all course materials in one place
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Hekko turns your classes into revision-ready notes โ automatically. HOW IT WORKS 1. Hit record when the lecture starts, or import your slides and PDFs 2. Hekko listens and structures everything while you focus on the lesson 3. Walk out with a scannable revision sheet, a quiz and flashcards WHY STUDENTS USE IT โข Stop choosing between listening and writing everything down โข Notes built the way you actually revise โ key concepts, definitions, what matters in bold, never walls of text โข Test yourself right after the lecture, while it is still fresh โข Ask Hekko anything about your course and have it explained again, as many times as you need โข Spaced revision that schedules itself around your exam date โข Recordings, PDFs and slides โ every course in one place BUILT FOR REAL COURSEWORK Hekko is not a generic AI notepad. It is built for classes: the structure of a lecture, the concepts that show up in exams, and a format you can genuinely revise the night before a test. IN YOUR LANGUAGE Record a lecture in the language it is taught in, and choose the language your notes come out in. Free to start. Upgrade any time for unlimited courses. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Hekko at none against Memokeys's 1. Hekko also leads on update cadence (every 3 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Memokeys sells 1 one-off in-app purchase. Hekko asks for nothing beyond the download.
Memokeys ships an update every 3 months, Hekko every 3 days. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.
| Parameter | Memokeys | Hekko |
|---|---|---|
| Price | Free | Free |
| Positive reviews | โ | 100.0% of reviews |
| Update frequency | Every 3 months | Every 3 days โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Monetization | โ | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 โ better | 16.4 |
| Further details โ not scored | ||
| Size | 5 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Serge Kotov | Elian Tornikoski |
In-app purchases
Memokeys
- Unlimited count of keys$1.99
Hekko
No in-app purchases









