Earworm 17+

The music mindreading app

Marc Kerstein

    • 5.0 • 107 Ratings
    • $64.99
    • Offers In-App Purchases

iPhone Screenshots


The music prediction effect

A song prediction effect with a borrowed phone - now performable in person or remotely!

Here's what happens:
- You ask a friend to take out their phone, mute the volume and open YouTube.
- You then take your friend's phone and play a song, returning the phone to your friend with its screen facing downwards.
- Now you apparently mentally transmit the thought-of song to your friend.
- Your friend names the first song that comes to mind, turns the volume up on their phone and looks at the screen to hear and see that your prediction was correct - that exact song is playing on their phone!

The video (and of course their phone) can be thoroughly inspected after the routine with NOTHING to find!

* Very easy to perform.
* No accomplice required.
* Any song can be named.
* No memory work.
* Works in multiple languages.

Rather than songs or music videos, you can use movie trailers or anything that you like!

* Works with multiple services - not just YouTube.
* Supports notifications for additional confirmation!
* Incredibly deceptive input methods.

You can now also perform Earworm remotely with Earworm's Pro upgrade!

Rather than taking the spectator’s phone to make your prediction, you now can send your spectator a link to a video, tell them to open it but to not press play just yet.

You then proceed to perform Earworm as usual, using any of the available input methods.

The spectator then plays the video on their phone, to find your predicted song or video was indeed correct!

Video and audio broadcasting of any description (including TV, radio and Internet) of this effect is prohibited without the written consent of its creator.

What’s New

Version 3.2.2

- Voice input bug fix

Ratings and Reviews

5.0 out of 5
107 Ratings

107 Ratings

Popcornaidan ,

Beyond Incredible

There are very few names in the Magic industry that when there name is attached to a product you know it’s going to be incredible. Marc Kerstein is one of those very few names. Earworm is no exception. Highly recommend.

Boyzies5 ,

Music mind reading - incredible

This is a fabulous concept . Works like a charm . I love this app so much , I would easily have paid double or triple the price for this effect . Buy it now , or maybe not I want it all to myself .

jaizon1106 ,

Awesome app

This app works perfectly. A real fooler. It's easy to learn and the support from Mark is great. I recommend this very highly. Five stars for sure. There is even the Facebook group for owners of this app, where you can share ideas with other magicians. How cool is that?

App Privacy

The developer, Marc Kerstein, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Contact Info
  • Search History
  • Identifiers

Privacy practices may vary, for example, based on the features you use or your age. Learn More

More By This Developer

Amalgam by Marc Kerstein
Xeno - Reveal A Thought
CardTrack - The Card Tracker
Inertia Pro

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