Comparison

MemoDeck | Mnemonica & More vs Doomsday Practice

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MemoDeck | Mnemonica & More

This application helps magicians learn and master the Mnemonica stack by Juan Tamariz. It offers interactive training, multiple modes, and progress tracking to elevate magic skills. Designed for those who own or want to learn the famous card stack.

Highlights
  • Interactive training
  • 10 Chapters
  • 68 Levels
  • Expert Mode
  • Challenge Mode
  • Speed measurement
  • Score sharing
Read full description

MemoDeck is a premium training app for card magicians who want to learn, practise, and master memorized deck work with confidence. Originally created for Mnemonica users, MemoDeck now goes further with support for several well-known memorized deck systems, including Mnemonica from Juan Tamariz, Aronson from Simon Aronson, Memorandum from Woody Aragon, Rapsodia from Ruthguiller Dumont, and CHaSeD. You can also create your own custom stack and use it throughout MemoDeck, making the app suitable for virtually any memorized deck system. Whether you are starting your first stack or keeping your memory sharp between performances, MemoDeck gives you a structured, elegant, and practical way to train every day. Learn at your own pace through progressive training chapters, then strengthen your recall with Expert, Challenge, Time Trial, and ACAAN practice modes. Work from number to card, card to number, previous card, next card, random positions, speed drills, and more. Your learning progress is saved independently for each stack, allowing you to switch between different memorized decks without losing your progress. MemoDeck is designed as a serious practice companion for magicians — not as a shortcut to secrets. It does not reveal routines, methods, or explanations from any book or DVD. Instead, it helps you build the memory, speed, and confidence needed to use memorized deck work more naturally in your magic. Main features: • Built-in stacks: Mnemonica, Aronson, Memorandum, Rapsodia, and CHaSeD • Create and practise with your own custom memorized deck • Independent learning progress for each stack • Complete progressive training mode • Multiple Expert drills for fast stack recall • Multiple Challenge modes, including Four of a Kind Positions and the Quartet Principle • ACAAN training mode • Time Trial exercises to measure your speed • Score tracking and online score sharing • Available in English, French, Spanish, and German If you own books or courses about memorized deck magic, MemoDeck is the perfect companion to help you practise, retain, and improve your stack knowledge. Train smarter. Recall faster. Perform with more confidence.

About

Doomsday Practice

Features
Read full description

Doomsday Practice helps you master the Doomsday algorithm: a mental math technique for calculating the day of the week for any date in your head. LEARN Step-by-step lessons break the algorithm into digestible pieces. Understand the anchor days, memorize the Doomsday dates, and build a reliable mental framework at your own pace. PRACTICE Drill random dates across any year or century. Get instant feedback, track your accuracy, and build speed through repetition. REVIEW A clean reference sheet keeps the key rules and mnemonics at your fingertips while you're still building fluency. TRACK YOUR PROGRESS Streaks and stats keep you accountable. Watch your accuracy and response time improve over time. Whether you're a mental math enthusiast, a memory competitor, or just want a party trick that actually impresses people: Doomsday Practice gets you there.

Screenshots

MemoDeck | Mnemonica & More4 screens
Doomsday Practice4 screens

Verdict

The call

The clearest difference is price: Doomsday Practice at Free against MemoDeck | Mnemonica & More's $7.99. MemoDeck | Mnemonica & More's advantage is iOS requirement (16.0 vs 26.0). On ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Doomsday Practice is free to download; MemoDeck | Mnemonica & More costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 8 level
MemoDeck | Mnemonica & More versus Doomsday Practice: the parameters behind the verdict, then further details
ParameterMemoDeck | Mnemonica & MoreDoomsday Practice
Price$7.99Free — better
Rating4.3 (13 ratings) — better—
Positive reviews95.8% of reviews—
Number of ratings13 — better—
Update frequencyEvery 9 months—
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better26.0
Further details — not scored
Size25 MB1 MB
Age rating4+4+
DeveloperThierry BaudhuinTaiyo Tsuchiya

In-app purchases

None

MemoDeck | Mnemonica & More

No in-app purchases

None

Doomsday Practice

No in-app purchases

Questions

Is MemoDeck | Mnemonica & More free?
MemoDeck | Mnemonica & More costs $7.99, with no in-app purchases.
Is Doomsday Practice free?
Doomsday Practice is free to download, with no in-app purchases.
Do MemoDeck | Mnemonica & More or Doomsday Practice have ads?
Neither MemoDeck | Mnemonica & More nor Doomsday Practice shows ads.

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