Comparison

Twice As Hard Trainer vs NFC Arcane

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

Head to head
About

Twice As Hard Trainer

This app provides technical learning tools for close-up magicians, focusing on specific card magic plots and concepts. It offers interactive analysis and a streamlined interface for practicing complex routines.

Highlights
  • Virtual spectator concept
  • Simon Aronson's 'Twice as Hard' Plot
  • Jean-Marie Beckers's 'Inverse Influence'
  • Display and whisper modes
  • Quick-touch interactive analyser
  • Decadic and tridecadic layouts
Features
Read full description

Twice As Hard Trainer forms part of a comprehensive suite of apps that dedicate to technical learning tools for close-up magicians. Twice as Hard Trainer addresses those who are familiar with the concepts related to Aronson, Tamariz, Nikolas in general, and the Twice as Hard plot in specific. If you know what these names relate to, and you apply the according techniques, then this app will help you stay tuned and inspired. A radical slim design. Cycle through the logical phases of the challenges at hand. Name it the 'virtual spectator' concept. Approaches: - Simon Aronson's 'Twice as Hard' Plot and his 'Undo Influence' concept - Jean-Marie Beckers's 'Inverse Influence' Credits: - credits to Simon Aronson for both 'Twice as Hard' and 'Undo Influence'. For details refer to: Simon Aronson, Try the Impossible, Simon Aronson Productions 2001. For details about 'Undo Influence' refer to: Simon Aronson, Try the Impossible, Simon Aronson Productions 2001. - credits to Jean-Marie Beckers for the 'Inverse Influence' concept, based on his version 'draH sa eciwT'. For details about 'draH sa eciwT', and the inverse version refer to Jean-Marie Beckers, Undo Influence Generalization, 2015. - I like to thank Simon Aronson and Jean-Marie Beckers for the permission to use their ideas for this commercial app. Some Features: - Aronson, Tamariz and three user defined ones - display and whisper modes - includes the quick-touch interactive analyser visualising the solution path and allowing for self imposed problem statements. Decadic and tridecadic layouts - feedback driven development - feels almost like a true deck of cards. Practicing card magic you don't want no complicated, overloaded and distracting user interface. Less is more. - probably the most complete, and straightforward solution available. A card, a number, think, act, check, and again. Swipe, swipe, think, verify. Swipe Twice, and again. To experience the look and feel of 'Twice As Hard Trainer' load the free 'Random Input' app available by this developer. - License agreement - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ - Privacy policy - https://yeahgic.com/pge_PrivacyTwice.htm

About

NFC Arcane

Features
Read full description

NFC Arcan gathers every kind of link you need—normal web URLs, iOS Shortcuts links and custom URL-schemes—in one clear library, so you never have to dig through multiple apps or notes again. Key Features • Save & categorize unlimited web links, Shortcut actions and deep-link URL-schemes, each with a large, recognizable icon • Write / rewrite any link to an NFC tag in seconds, with an optional read-only lock for security • Launch instantly: open websites, trigger Shortcuts or jump straight into another app via its URL-scheme • Scan & generate QR codes for any saved link—share them on the spot or save high-resolution codes straight to your Photo Library • Backup & restore your entire collection with a single file—nothing gets lost From NFC business cards to smart posters and home-automation triggers, NFC Wizard keeps all your URLs—web, Shortcut or deep-link—plus their QR codes—in one place, ready to share and reuse whenever you need them.

Screenshots

Twice As Hard Trainer4 screens
NFC Arcane2 screens

Verdict

The call

The clearest difference is price: Twice As Hard Trainer at $3.99 against NFC Arcane's $19.99. Twice As Hard Trainer also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.5). NFC Arcane's advantage is update cadence (every 3 weeks vs every 4 months). On ads and in-app purchases 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

Twice As Hard Trainer costs $3.99 and NFC Arcane $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Twice As Hard Trainer ships an update every 4 months, NFC Arcane every 3 weeks. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 6 level
Twice As Hard Trainer versus NFC Arcane: the parameters behind the verdict, then further details
ParameterTwice As Hard TrainerNFC Arcane
Price$3.99 — better$19.99
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationSubscription—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better18.5
Further details — not scored
Size7 MB9 MB
Age rating4+4+
DeveloperRalph CosMarc Super

In-app purchases

None

Twice As Hard Trainer

No in-app purchases

None

NFC Arcane

No in-app purchases

Questions

Is Twice As Hard Trainer free?
Twice As Hard Trainer costs $3.99, with no in-app purchases.
Is NFC Arcane free?
NFC Arcane costs $19.99, with no in-app purchases.
Do Twice As Hard Trainer or NFC Arcane have ads?
Neither Twice As Hard Trainer nor NFC Arcane shows ads.
Which is updated more often, Twice As Hard Trainer or NFC Arcane?
Twice As Hard Trainer ships an update every 4 months, and NFC Arcane every 3 weeks. Most recently, Twice As Hard Trainer was updated on November 1, 2026 and NFC Arcane on October 28, 2026.

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