# Twice As Hard Trainer

> Technical learning tool for close-up magicians practicing specific card magic plots. (iPhone/iPad app by Ralph Cos.)

- Source: https://appshunter.io/ios/app/twice-as-hard-trainer/id577559904 (this page in markdown: same URL + `.md`)
- Developer: [Ralph Cos](https://appshunter.io/developer/573505028)
- Category: Utilities, Entertainment
- Price: $3.99 with in-app purchases
- Rating: 1.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.6 · 7 MB
- Languages: American English
- Released: 2012-11-19
- Data updated: 2026-08-27
- Monetization: subscription
- User reviews in markdown: https://appshunter.io/ios/app/twice-as-hard-trainer/id577559904/reviews.md

## What is Twice As Hard Trainer?

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

## Key features

- 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

## Pricing and in-app purchases

Base price: $3.99.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Annual Subscription | $3.99 | per year |
| 3 Months Subscription | $1.99 | per 3 months |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/twice-as-hard-trainer/id577559904/reviews.md

### 1/5 — App unusable without buying subscription

*2026-05-12*

Total waste of time which is sad because it’s a good concept for working on stacks and other card effects.

## Frequently asked questions about Twice As Hard Trainer

### What is Twice As Hard Trainer?

Twice As Hard Trainer is a specialized utility app designed for close-up magicians. It focuses on teaching and practicing specific card magic plots and concepts, such as Simon Aronson's 'Twice as Hard' plot and Jean-Marie Beckers's 'Inverse Influence'.

### Who is Twice As Hard Trainer for?

This app is intended for magicians who are already familiar with the foundational concepts of close-up magic, particularly those related to the 'Twice as Hard' plot and similar techniques. It aims to help them stay tuned and inspired in their practice.

### Does Twice As Hard Trainer have ads?

No, Twice As Hard Trainer does not contain advertisements. The app is designed with a 'less is more' philosophy to avoid distracting users during practice sessions.

### What are the subscription options for Twice As Hard Trainer?

Twice As Hard Trainer offers a 3-month subscription for $1.99/P3M with a 3-day free trial, and an annual subscription for $3.99/P1Y with a 7-day free trial. These plans provide access to the app's features.

### What platforms is Twice As Hard Trainer available on?

Twice As Hard Trainer is available on iPhone, iPad, and iPod devices. It is designed to offer a seamless experience across these Apple platforms.

### How often is Twice As Hard Trainer updated?

The latest version of Twice As Hard Trainer is 2026.2, and it was last updated on August 25, 2026. This indicates a recent update, suggesting ongoing support and development.

### What is the user rating for Twice As Hard Trainer?

Twice As Hard Trainer has a rating of 1.0 stars from 1 rating. This single rating suggests limited user feedback available at this time.

### Can I try Twice As Hard Trainer before subscribing?

Yes, Twice As Hard Trainer offers free trial periods for its subscriptions. The 3-month plan includes a 3-day free trial, and the annual plan includes a 7-day free trial, allowing users to experience the app before committing.

## Version history (last 5 releases)

### 2026.2 — 2026-08-25

1. The app is now offered for purchase
2. Subscribers automatically own the app and will no longer need to renew subscriptions

### 2026.1 — 2026-01-22

1. 'Twice as Hard Trainer' is moved to a subscription model supporting a 3 months subscription and an annual subscription. Existing users will continue as purchased users and will not notice the change. A big thank you to all early adopters who enabled this important milestone towards a sustainable future for 'Twice as Hard Trainer'!
2. Code maintenance

### 2025.2 — 2025-01-17

1. The link to the Settings panel is restored.
2. The links to external URLs for the Appstore and the yeahgic website are restored.
3. The new menu item Context Help provides dedicated introductions and descriptions for each of the four modes. In earlier versions the mode instructions were given under the generic help menu item. The new Context Help make it easier to access and study the details.

### 2025.1 — 2025-01-12

1. Landscape orientation with automatic rotation is supported
2. Code maintenance

### 2024.1 — 2024-01-04

1. Code maintenance

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## More apps by Ralph Cos

- [ACAAN Trainer](https://appshunter.io/ios/app/acaan-trainer/id573505025)
- [Serial-Sum Trainer](https://appshunter.io/ios/app/serial-sum-trainer/id577884595)
- [Random Input](https://appshunter.io/ios/app/random-input/id578071417)
- [Random Sound Recorder](https://appshunter.io/ios/app/random-sound-recorder/id608045136)
- [Stack Trainer](https://appshunter.io/ios/app/stack-trainer/id646458442)

All apps by Ralph Cos: https://appshunter.io/developer/573505028

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*