Memokeys vs Memory Theatre
Price, ratings, monetisation and update history for both apps, side by side β 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.
Memory Theatre
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Your memory is far more powerful than you think - you just haven't been taught how to use it. Memory Theatre teaches the classical techniques that memory champions, scholars, and public speakers have relied on for centuries. Clear explanations, guided system building, and targeted practice - everything books can teach you, plus the practice gym books can't offer. Build your systems. Drill until recall is instant. Review on a schedule. Whether you're preparing a speech, studying for exams, learning a language, or simply tired of forgetting names - Memory Theatre gives you the tools to do it properly. WHAT YOU'LL LEARN Memory Palace (Method of Loci) The oldest and most powerful memory technique in existence. Place vivid images along familiar routes and retrieve them effortlessly. Used by Roman orators, modern memory champions, and everyone in between. Major System Convert any number into a concrete image. Phone numbers, PINs, dates, and statistics become memorable scenes. Once built, your system works for life. Link & Story Method Chain any list of information into a vivid, unforgettable story. No setup required - start using it immediately. Peg Systems Fixed mental hooks (1β10 number-rhyme, AβZ alphabet) for instant random-access recall. Perfect for ranked lists, steps, and ordered information. PAO System Person-Action-Object encoding compresses six digits into a single image. The system serious memorisers use for cards, long numbers, and competition. HOW IT WORKS Learn - Clear explanations with worked examples and the cognitive science behind why each technique works Build - Guided setup flows help you construct your personal Major System (00-99), memory palaces, and peg lists Practice - Targeted exercises for each technique: random numbers, word lists, consonant drills, palace tours Review - Spaced repetition surfaces your cards at exactly the right moment, so nothing slips away DESIGNED DIFFERENTLY Most memory apps are brain-game apps wearing a costume. Memory Theatre is a serious utility for people who want to actually learn and apply memory techniques. No gamification. No cartoon mascots. No vague "brain training" claims. Just well-designed tools that respect your intelligence and time WHO IT'S FOR Students who want to retain what they study. Professionals who need to remember names, figures, and presentations. Language learners. Public speakers. Anyone curious about the science of memory and ready to do something about it. Download Memory Theatre and start building systems that last.
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Verdict
The clearest difference is price: Memokeys at Free against Memory Theatre's $9.99. Memory Theatre's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Memokeys is free to download; Memory Theatre costs $9.99 up front. Memokeys sells 1 one-off in-app purchase. Memory Theatre asks for nothing beyond the download.
| Parameter | Memokeys | Memory Theatre |
|---|---|---|
| Price | Free β better | $9.99 |
| Update frequency | Every 3 months | β |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad β better | iPhone |
| Requires iOS | 16.0 β better | 17.6 |
| Further details β not scored | ||
| Size | 5 MB | 3 MB |
| Age rating | 4+ | 9+ |
| Developer | Serge Kotov | Islam Seisembay |
In-app purchases
Memokeys
- Unlimited count of keys$1.99
Memory Theatre
No in-app purchases





