MnemoStack vs Unlock by JM Magic
Price, ratings, monetisation and update history for both apps, side by side β 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 β’ Works with Mnemonica, Aronson, Si Stebbins, Nikola, Eight Kings, or New Deck Order β’ No forcing, no input, no visible app actions β’ Instantly know the spectatorβs card β’ Minimal, elegant design for real performance They swipe. You know. Simple. Clean. Impossible.
Unlock by JM Magic
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UNLOCK β A Magician's Secret Turn the familiar iPhone lock screen into a powerful tool for magic. UNLOCK is designed for magicians who want a natural, customizable and convincing lock-screen experience for their performances. CREATE YOUR OWN LOOK Customize wallpapers, time formats, lock-screen elements and the overall visual style. Choose between a classic interface or a realistic iPhone-inspired experience. CONTROL THE PASSCODE EXPERIENCE Configure the passcode screen, number of digits, attempt behavior, peek settings and other performance options. Build the exact experience you need for your routine. PERFORM YOUR WAY Fine-tune the lock screen and presentation before performing. Make the experience match your style, your routine and your audience. BUILT FOR MAGICIANS UNLOCK is created specifically with magic performances in mind β giving performers the control they need to create natural-looking and memorable moments. Whether you're performing close-up magic, mentalism or a digital magic routine, UNLOCK puts the presentation in your hands. Your screen. Your settings. Your performance. UNLOCK β A Magician's Secret.
Screenshots
Verdict
The clearest difference is in-app purchases: Unlock by JM Magic at none against MnemoStack's 3. Unlock by JM Magic also leads on update cadence (every 3 days vs every 2 weeks) and device support (4 vs 1). On price and ads 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
Both are free to download. MnemoStack sells 3 in-app purchases, starting at $3.99 per month. Unlock by JM Magic asks for nothing beyond the download.
MnemoStack ships an update every 2 weeks, Unlock by JM Magic every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | MnemoStack | Unlock by JM Magic |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 3 days β better |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone | iPhone, iPad, iPod, Apple Watch β better |
| Requires iOS | 26.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 84 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Vincent Launay | Bhavik Shah |
In-app purchases
MnemoStack
- Xtremagic Pass$3.991 Month
- Xtremagic Pass$22.991 Year
- Full Access (One-Time Purchase)$7.99
Unlock by JM Magic
No in-app purchases
Questions
Is MnemoStack free?
Is Unlock by JM Magic free?
Do MnemoStack or Unlock by JM Magic have ads?
Which is updated more often, MnemoStack or Unlock by JM Magic?
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