Twice As Hard Trainer2026.2 - App Store
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Publisher 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
Version History 1. The app is now offered for purchase
2. Subscribers automatically own the app and will no longer need to renew subscriptions 2026.2 Aug 25 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 2026.1 Jan 22 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. 2025.2 01/17/2025 1. Landscape orientation with automatic rotation is supported
2. Code maintenance 2025.1 01/12/2025 1. Code maintenance 2024.1 01/04/2024 1. Code maintenance 3.8 10/09/2022 1. Code maintenance 3.7 08/05/2019 1. An additional mode has been added: Jean-Marie Becker's 'drah sa eciwT' based on his Inverse Influence concept. To train your estimation skills the pile sizes are rendered as white bars on the screen. This first implementation of Jean-Marie's truly amazing tweak to Simon Aronson's original method explores the options with further iterations planned.
2. Settings now accessible from the menu. 3.6 12/13/2016 1. Code maintenance 3.5 10/09/2016 1. Code Maintenance 3.4 02/10/2016 1. Code Maintenance 3.3 04/12/2015 1. Code Maintenance 3.2 03/22/2015 1. Refinements to the Challenge Analyzer including trace windows for status- and guidance information.
2. Fixed Middle- and Reverse Mode, along with the Original Model, are now supported by the Challenge Analyzer. The inner mechanics of the Twice as Hard plot are visualized in a unique manner allowing to explore various situations. 3.1 03/14/2015 1. The interactive viewer allows to analyze self imposed challenges. The existing Stack Viewer serves to take you through the 8 critical phases of Twice as Hard allowing to specify spectators's choices for L and H and the two cut positions, and illustrating the solution path in detail. This new unique feature allows for thorough analysis of the Twice as Hard plot and adds to the understanding of the plot's inner mechanics. Currently, the Original Mode is supported.
2. Help text gets copied automatically to your device's memory. It can be pasted into other applications, e.g. text editor for printout.
3. Code maintenance. 3.0 03/07/2015 1. Fixed Middle Mode added as an approach
3. Code maintenance 2.9 02/28/2015 1. The stack view has been overhauled to a more technical display. Future releases will explore options to visualize the solution path.
2. The formulae for forward and reverse mode are shown in the help text. 2.8 11/05/2014 1. Adjustments for iOS 8 2.7 10/15/2014 Code Maintenance 2.6 05/22/2014 Code maintenance on Reverse mode option 2.5 03/20/2014 code maintenance
Dark background colour added to Settings 2.4 03/04/2014 Code maintenance and adjustments for IOS 7.
Starting with this release, now, three user defined stacks are supported. Note: Existing user defined stacks, named myStack.txt, must be renamed to myStack1.txt. 2.3 11/11/2013 code maintenance 2.2 07/16/2013 1. Facelift
2. The user can now specify his own md by providing a text-file into the app's Documents folder.
3. Swipe gestures to cycle forth and back 2.1 05/15/2013 gicTwice now supports sound for real life performance experience. Use Yeahgic's 'Random Sound Recorder' to create the required sound files. 'Random Sound Recorder' is available at the same shop. 2.0 03/08/2013 1.0 11/19/2012
About Twice As Hard Trainer
The company that develops Twice As Hard Trainer is Ralph Cos. The latest version released by its developer is 2026.2.
To install Twice As Hard Trainer on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-13 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Twice As Hard Trainer as malware if the download link is broken.
How to install Twice As Hard Trainer on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Twice As Hard Trainer is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Twice As Hard Trainer is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 2026.2
posted on 2026-10-13
Version History 1. The app is now offered for purchase
2. Subscribers automatically own the app and will no longer need to renew subscriptions 2026.2 Aug 25 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 2026.1 Jan 22 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. 2025.2 01/17/2025 1. Landscape orientation with automatic rotation is supported
2. Code maintenance 2025.1 01/12/2025 1. Code maintenance 2024.1 01/04/2024 1. Code maintenance 3.8 10/09/2022 1. Code maintenance 3.7 08/05/2019 1. An additional mode has been added: Jean-Marie Becker's 'drah sa eciwT' based on his Inverse Influence concept. To train your estimation skills the pile sizes are rendered as white bars on the screen. This first implementation of Jean-Marie's truly amazing tweak to Simon Aronson's original method explores the options with further iterations planned.
2. Settings now accessible from the menu. 3.6 12/13/2016 1. Code maintenance 3.5 10/09/2016 1. Code Maintenance 3.4 02/10/2016 1. Code Maintenance 3.3 04/12/2015 1. Code Maintenance 3.2 03/22/2015 1. Refinements to the Challenge Analyzer including trace windows for status- and guidance information.
2. Fixed Middle- and Reverse Mode, along with the Original Model, are now supported by the Challenge Analyzer. The inner mechanics of the Twice as Hard plot are visualized in a unique manner allowing to explore various situations. 3.1 03/14/2015 1. The interactive viewer allows to analyze self imposed challenges. The existing Stack Viewer serves to take you through the 8 critical phases of Twice as Hard allowing to specify spectators's choices for L and H and the two cut positions, and illustrating the solution path in detail. This new unique feature allows for thorough analysis of the Twice as Hard plot and adds to the understanding of the plot's inner mechanics. Currently, the Original Mode is supported.
2. Help text gets copied automatically to your device's memory. It can be pasted into other applications, e.g. text editor for printout.
3. Code maintenance. 3.0 03/07/2015 1. Fixed Middle Mode added as an approach
3. Code maintenance 2.9 02/28/2015 1. The stack view has been overhauled to a more technical display. Future releases will explore options to visualize the solution path.
2. The formulae for forward and reverse mode are shown in the help text. 2.8 11/05/2014 1. Adjustments for iOS 8 2.7 10/15/2014 Code Maintenance 2.6 05/22/2014 Code maintenance on Reverse mode option 2.5 03/20/2014 code maintenance
Dark background colour added to Settings 2.4 03/04/2014 Code maintenance and adjustments for IOS 7.
Starting with this release, now, three user defined stacks are supported. Note: Existing user defined stacks, named myStack.txt, must be renamed to myStack1.txt. 2.3 11/11/2013 code maintenance 2.2 07/16/2013 1. Facelift
2. The user can now specify his own md by providing a text-file into the app's Documents folder.
3. Swipe gestures to cycle forth and back 2.1 05/15/2013 gicTwice now supports sound for real life performance experience. Use Yeahgic's 'Random Sound Recorder' to create the required sound files. 'Random Sound Recorder' is available at the same shop. 2.0 03/08/2013 1.0 11/19/2012
version 2026.1
posted on 2026-08-22
Version History 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 2026.1 Jan 22 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. 2025.2 01/17/2025 1. Landscape orientation with automatic rotation is supported
2. Code maintenance 2025.1 01/12/2025 1. Code maintenance 2024.1 01/04/2024 1. Code maintenance 3.8 10/09/2022 1. Code maintenance 3.7 08/05/2019 1. An additional mode has been added: Jean-Marie Becker's 'drah sa eciwT' based on his Inverse Influence concept. To train your estimation skills the pile sizes are rendered as white bars on the screen. This first implementation of Jean-Marie's truly amazing tweak to Simon Aronson's original method explores the options with further iterations planned.
2. Settings now accessible from the menu. 3.6 12/13/2016 1. Code maintenance 3.5 10/09/2016 1. Code Maintenance 3.4 02/10/2016 1. Code Maintenance 3.3 04/12/2015 1. Code Maintenance 3.2 03/22/2015 1. Refinements to the Challenge Analyzer including trace windows for status- and guidance information.
2. Fixed Middle- and Reverse Mode, along with the Original Model, are now supported by the Challenge Analyzer. The inner mechanics of the Twice as Hard plot are visualized in a unique manner allowing to explore various situations. 3.1 03/14/2015 1. The interactive viewer allows to analyze self imposed challenges. The existing Stack Viewer serves to take you through the 8 critical phases of Twice as Hard allowing to specify spectators's choices for L and H and the two cut positions, and illustrating the solution path in detail. This new unique feature allows for thorough analysis of the Twice as Hard plot and adds to the understanding of the plot's inner mechanics. Currently, the Original Mode is supported.
2. Help text gets copied automatically to your device's memory. It can be pasted into other applications, e.g. text editor for printout.
3. Code maintenance. 3.0 03/07/2015 1. Fixed Middle Mode added as an approach
3. Code maintenance 2.9 02/28/2015 1. The stack view has been overhauled to a more technical display. Future releases will explore options to visualize the solution path.
2. The formulae for forward and reverse mode are shown in the help text. 2.8 11/05/2014 1. Adjustments for iOS 8 2.7 10/15/2014 Code Maintenance 2.6 05/22/2014 Code maintenance on Reverse mode option 2.5 03/20/2014 code maintenance
Dark background colour added to Settings 2.4 03/04/2014 Code maintenance and adjustments for IOS 7.
Starting with this release, now, three user defined stacks are supported. Note: Existing user defined stacks, named myStack.txt, must be renamed to myStack1.txt. 2.3 11/11/2013 code maintenance 2.2 07/16/2013 1. Facelift
2. The user can now specify his own md by providing a text-file into the app's Documents folder.
3. Swipe gestures to cycle forth and back 2.1 05/15/2013 gicTwice now supports sound for real life performance experience. Use Yeahgic's 'Random Sound Recorder' to create the required sound files. 'Random Sound Recorder' is available at the same shop. 2.0 03/08/2013 1.0 11/19/2012
version 2026.1
posted on 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
version 2025.2
posted on 2025-01-17
Jan 17, 2025
Version 2025.2
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.
version 2025.1
posted on 2025-01-12
Jan 12, 2025
Version 2025.1
1. Landscape orientation with automatic rotation is supported
2. Code maintenance
version 2024.1
posted on 2024-01-04
Jan 4, 2024
Version 2024.1
1. Code maintenance
version 3.8
posted on 2022-10-09
Oct 9, 2022
Version 3.8
1. Code maintenance
version 3.7
posted on 2019-08-05
Aug 5, 2019 Version 3.7
1. Code maintenance
version 3.5
posted on 2012-11-19
version 3.7
posted on 1970-01-01
2019年8月5日 Version 3.7
1. Code maintenance
Disclaimer
Official App Store Link
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