Comparison

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.

Head to head
About

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 spectator’s card β€’ Minimal, elegant design for real performance They swipe. You know. Simple. Clean. Impossible.

About

Unlock by JM Magic

Features
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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

MnemoStack4 screens
Unlock by JM Magic4 screens

Verdict

The call

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences Β· 2 level
MnemoStack versus Unlock by JM Magic: the parameters behind the verdict, then further details
ParameterMnemoStackUnlock by JM Magic
PriceFreeFree
Update frequencyEvery 2 weeksEvery 3 days β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhoneiPhone, iPad, iPod, Apple Watch β€” better
Requires iOS26.015.1 β€” better
Further details β€” not scored
Size84 MB36 MB
Age rating4+4+
DeveloperVincent LaunayBhavik Shah

In-app purchases

3 purchases

MnemoStack

Subscriptions2
  • Xtremagic Pass$3.991 Month
  • Xtremagic Pass$22.991 Year
One-time1
  • Full Access (One-Time Purchase)$7.99
None

Unlock by JM Magic

No in-app purchases

Questions

Is MnemoStack free?
MnemoStack is free to download, with in-app purchases available.
Is Unlock by JM Magic free?
Unlock by JM Magic is free to download, with no in-app purchases.
Do MnemoStack or Unlock by JM Magic have ads?
Neither MnemoStack nor Unlock by JM Magic shows ads.
Which is updated more often, MnemoStack or Unlock by JM Magic?
MnemoStack ships an update every 2 weeks, and Unlock by JM Magic every 3 days. Most recently, MnemoStack was updated on November 5, 2026 and Unlock by JM Magic on October 31, 2026.

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