MnemoStack vs MemDatStack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MnemoStack
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A spectator freely swipes through a deck of cards on your phone. They stop wherever they want and without you touching the device again, you instantly know the exact card. Built for magicians and designed for live performance, MnemoStack feels natural, organic, and impossible to backtrack. Powered by the principles of memorized-deck magic: Mnemonica, Aronson, Si Stebbins, Nikola, Eight Kings. it creates a moment that feels completely fair, yet utterly impossible. Built for magicians who already perform with memorized stacks and the perfect reason to start learning one. Features • Works with Mnemonica, Aronson, Si Stebbins, Nikola, Eight Kings, or New Deck Order • No forcing, no input, no visible app actions • Instantly know the spectator’s card • Minimal, elegant design for real performance They swipe. You know. Simple. Clean. Impossible.
MemDatStack
This tool assists magicians in memorizing card stacks with customizable quizzes. It supports various popular stacks and question types, offering detailed feedback on incorrect answers to improve learning.
- Supports multiple popular card stacks
- Variety of quiz settings
- Customizable quiz questions
- Tracks recent quiz results
- Reviews incorrect answers
- Audio feedback option
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A highly configurable tool to help magicians trying to memorize a stack of cards. Pick from multiple commonly used stacks, indicate which cards in the stack you believe you already know, choose from a variety of quiz settings, and take quizzes to help you learn your stack. You can see your recent quiz results, and review any questions you got incorrect. Supported stacks: Mnemonica, Aragon, Aronson, Particle System, Redford, Joyal Supported questions: Card to Location, Location to Card, Card Before, Card After Quiz options: multiple choice, number of multiple choices, questions per quiz, optional time limit to answer, delay after correct/incorrect answers, audio feedback, ask more often about cards/locations you've recently gotten incorrect
Screenshots
Verdict
The clearest difference is in-app purchases: MemDatStack at none against MnemoStack's 3. MemDatStack also leads on iOS requirement (18.6 vs 26.0). On price, update cadence, ads and device support 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. MnemoStack sells 3 in-app purchases, starting at $3.99 per month. MemDatStack asks for nothing beyond the download.
MnemoStack ships an update every 2 weeks, MemDatStack every 9 days. The most recent releases landed on September 24, 2026 and October 5, 2026 respectively.
| Parameter | MnemoStack | MemDatStack |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 26.0 | 18.6 — better |
| Further details — not scored | ||
| Size | 84 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Vincent Launay | Circe Apps LLC |
In-app purchases
MnemoStack
- Xtremagic Pass$3.991 Month
- Xtremagic Pass$22.991 Year
- Full Access (One-Time Purchase)$7.99
MemDatStack
No in-app purchases
