Comparison

Mnemonica vs Stack Trainer

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

Head to head
About

Mnemonica

Features
Currently charting
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Mnemonica is the training companion for magicians and mentalists who work with a memorized deck. Learn any stack — Mnemonica, Aronson, or your own custom order — and drill it until every card and position is instant recall. LEARN YOUR STACK • Study mode: flip through the deck card by card, or scan the full order at a glance • Built-in classic stacks, plus fully custom stacks you create and edit yourself • Personal mnemonics: attach your own memory hooks to every card and train them PRACTICE THAT STICKS • Card → Position and Position → Card drills, sequential or random • Next Card / Previous Card and mixed sequence drills for real-world fluency • First/Second Half training to anchor the deck's structure • Mixed Mode blends every drill — ACAAN included — to keep all skills sharp in one session • Practice any range of the deck — focus on the positions you are still learning ACAAN TRAINING • Dedicated Any Card At Any Number mode: compute the cut from any named card and number • Wrap-around handling, near-miss feedback, and a built-in explainer of the method • Timed mode to build performance-ready speed under pressure TRACK YOUR PROGRESS • Session summaries after every practice run • Statistics for accuracy, speed, streaks, and study activity over time • Mixed Mode accuracy broken down per question type, so you know which skill lags • Spot your weakest cards and positions and target them Whether you are memorizing your first stack or polishing ACAAN for the stage, Mnemonica turns dead time into deck time.

About

Stack Trainer

This app helps magicians memorize and recall card stacks with gamified drills and performance scenarios. It offers various practice modes to build speed, accuracy, and long-term retention of memorized decks.

Highlights
  • Gamified daily drills
  • Memorized deck recall training
  • Multiple practice modes
  • Performance tracking
  • Awards and personal bests
  • Apple Watch practice
Features
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Train your recall of Mnemonica and other memorized decks with Focused Daily Drills, Awards, Personal Bests, Apple Watch practice, and a one-time Pro unlock. Now you can also learn the Mnemonica Stack with the same one-time Pro unlock. Stack Trainer is the memorized-deck training app for magicians who want to build genuine, performance-ready stack fluency. Start by learning Mnemonica through an interactive PAO Peg course, then sharpen recall, speed and confidence with focused daily practice. The new PAO Peg Training teaches the stack card by card using vivid Person, Action and Object memory links, visual reinforcement, guided questions and active recall. Free users can experience the first five Mnemonica cards; unlock Pro to continue the complete course and turn your training into a full-stack skill. Whether you are learning your first memdeck or keeping an established stack sharp, Stack Trainer gives you a structured path from knowing a card to using it under pressure. Train the Skills That Matter Learn Mnemonica - Guided PAO Peg lessons that build card-to-position and position-to-card recall - Visual memory links, hints and progressive practice - First five cards free; complete training course with Pro Core Recall - Instantly recall a card from its position — and its position from the card - Train next-card and previous-card recall - Focus on small card groups, then expand toward the full stack Stack Fluency - Matchup, 4 of a Kind, Stack Segments and Rebuild Stack - Build speed, accuracy and whole-stack confidence Practical Stack Work - ACAAN practice for Any Card at Any Number thinking - Improv scenarios for flexible cut, count and reveal work Train Smarter Build the habit with daily reminders, streaks, Awards, Personal Bests and session statistics. Track your accuracy, recall time, weak cards and progress, then return to the cards that need more work. PAO memory links, notes, photos and focused repetition help turn fragile recall into practical fluency. Apple Watch - Keep your recall sharp anywhere with quick wrist-based practice. Your stats sync with iPhone. Pro — One-Time Unlock Unlock the complete Mnemonica PAO Peg training course, adaptive practice tools and the full Stack Trainer experience: - Full Mnemonica PAO Peg Training beyond the first five free cards - Adaptive card prioritization and spaced-repetition-based training - Additional stacks: Aronson, Redford, Particle System, Memorandum, Nikola Card System and Joyal - Create and train your own custom stacks - Full practical modes, including Improv with random starting-cut practice - Notes and photos in Learn Stack - Cloud sync for backup and restore - Future Pro features No ads. One purchase. A stack you can actually use. Train daily. Build fluency. Know your stack.

Screenshots

Mnemonica4 screens
Stack Trainer4 screens

Verdict

The call

The clearest difference is price: Stack Trainer at Free against Mnemonica's $6.99. Stack Trainer also leads on update cadence (every 4 days vs every 9 days). Mnemonica's advantage is in-app purchases (none vs 1) and chart position (#185 vs unranked). On ads, device support and iOS requirement 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

Stack Trainer is free to download; Mnemonica costs $6.99 up front. Stack Trainer sells 1 one-off in-app purchase. Mnemonica asks for nothing beyond the download.

UpkeepUpdate frequency

Mnemonica ships an update every 9 days, Stack Trainer every 4 days. The most recent releases landed on September 18, 2026 and September 2, 2026 respectively.

Scorecard4 real differences · 7 level
Mnemonica versus Stack Trainer: the parameters behind the verdict, then further details
ParameterMnemonicaStack Trainer
Price$6.99Free — better
Rating—4.5 (4 ratings) — better
Positive reviews—66.7% of reviews
Number of ratings—4 — better
Update frequencyEvery 9 daysEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Best chart rank#185 — better—
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS16.6 — better17.6
Further details — not scored
Size8 MB109 MB
Age rating4+4+
DeveloperJavier OrbeWayne Borcher

In-app purchases

None

Mnemonica

No in-app purchases

1 purchases

Stack Trainer

One-time1
  • Stack Trainer Pro$9.99

Questions

Is Mnemonica free?
Mnemonica costs $6.99, with no in-app purchases.
Is Stack Trainer free?
Stack Trainer is free to download, with in-app purchases available.
Do Mnemonica or Stack Trainer have ads?
Neither Mnemonica nor Stack Trainer shows ads.
Which is updated more often, Mnemonica or Stack Trainer?
Mnemonica ships an update every 9 days, and Stack Trainer every 4 days. Most recently, Mnemonica was updated on September 18, 2026 and Stack Trainer on September 2, 2026.

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