# Universe Splitter — Quantum Decision-Maker

> Quantum decision-maker using a remote quantum device to split universes. (iPhone/iPad app by Aerfish LLC.)

- Source: https://appshunter.io/ios/app/universe-splitter/id329233299 (this page in markdown: same URL + `.md`)
- Developer: [Aerfish LLC](https://appshunter.io/developer/329233302)
- Category: Entertainment, Utilities
- Price: $1.99
- Rating: 4.70/5 from 1,527 App Store ratings · 204 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.6 · 104 MB
- Languages: American English
- Released: 2009-10-06
- Data updated: 2026-08-27
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/universe-splitter/id329233299/reviews.md

## What is Universe Splitter?

Use Quantum Physics to Split Your Universe -- It's the Ultimate Decision-Maker

THIS IS THE ORIGINAL!
  • An App Store "Top Paid App"
  • An App Store "Staff Favorite"
  • Endorsed by famous physicists

And recently featured in:
  • "Something Deeply Hidden" best-selling book by Sean Carroll
  • "The Joe Rogan Experience" podcast
  • "This American Life" podcast


"According to quantum mechanics, every observation brings new universes into existence. But these universes have been completely useless to us -- until now! Universe splitter helps guarantee that there's at least one version of you who has made all the right choices."
    -- Sean Carroll, physicist at Caltech and best-selling author

"The functioning of this app is in complete agreement with the many-worlds interpretation of quantum mechanics."
   -- Garrett Lisi, PhD, Theoretical Physics


Scientists say that every quantum event plays out simultaneously in every possible way, with each possibility becoming real in a separate universe. But that was just an abstract concept... until now! Because now, you can harness this powerful and mysterious effect right from your iPhone.

When faced with a tough choice, Universe Splitter allows you to live out BOTH of your options... in separate realities.* No mere coin-flip app can make this claim!

Here's how it works:

Let's say you have to make a difficult decision — for example, whether to accept a job offer or to turn it down. Just type both actions into your Universe Splitter, and press the "Split Universe" button.

Universe Splitter will then, over the internet, activate a remote "Quantis" brand quantum device (made by id Quantique, and certified by the National Metrology Institute of Switzerland) which will send a single photon into a quantum "either/or" state. According to current scientific thinking, though, the photon will actually be in a "both, but in separate universes" state!

Within seconds, Universe Splitter will report to you which of those two universes you’re in, and by taking a different action in each, you will cause these previously identical universes to diverge.*

Of course, you won't be able to see or interact with that other universe. In fact, you may question whether anything at all happened. But according to the prevailing quantum theory, there will be two of you pondering whether anything just happened!

Right now you're probably wondering: Does this app genuinely contact a quantum device in Geneva? YES, it absolutely does, and we would be happy to provide proof of this upon request. Email eric@aerfish.com for more info.

As BDembko writes: "The real joke... is that it's NOT a joke.  Which actually makes it funnier, if you ask me.  (Kind of an Andy Kaufman kind of thing)  The guy actually went the extra 10 miles... and it seems so absurd to us, that we figure it's a joke.  But it's not... which then means it is.  This is seriously quantum humor to the extreme."

And -- if an infinite supply of universes isn't enough for you -- this app also gives you stylish, retro, machine-age graphics (complete with industrial-strength sound effects) which will underscore the awe-inspiring significance of each twist and turn of your ever-branching multiverse.

If you're a believer in the "Many Worlds" interpretation of quantum behavior, this app is a must. And if you're not, just think of this as THE most random of all coin-flip apps -- in that it uses the most random event in the universe: a single quantum event!


*According to prevailing quantum theory. Universes cannot contact each other. Not responsible for user's actions. ©Copyright 2009 Eric Daniels - All Rights Reserved

## Key features

- Quantum decision-making
- Splits universes based on choices
- Uses remote quantum device
- Based on many-worlds interpretation
- Original and acclaimed app

## Chart rankings

- #14 in Top Paid · Entertainment (US App Store)

## What do users think of Universe Splitter?

Overall sentiment: positive

**Pros**

- 👍 Great app for decision-making
- 🤖 Unique concept using quantum mechanics
- 🤩 Fun and engaging user experience
- 🧠 Helps with indecision and analysis paralysis

**Cons**

- 🐛 Inconsistent or unreliable results
- 🔧 Technical issues with connectivity or functionality
- 💤 Boring or repetitive after repeated use
- 🤔 Doubts about the app's true quantum capabilities

**Commonly reported bugs**

- App crashes or freezes during use
- Inconsistent behavior across devices or OS versions
- Issues with loading or connecting to the quantum device

**Most requested features**

- Add ability to track and review past decisions
- Improve visual design and user interface
- Provide more information on the science behind the app
- Allow customization of options and decision-making process

## Recent user reviews (10 of 204)

All indexed reviews: https://appshunter.io/ios/app/universe-splitter/id329233299/reviews.md

### 4/5 — 4* ✯

*2026-07-08, version 1.73*

One ✯ because it’s over 100mb which shows more than half or way more than half is specifically for data harvesting… no reason this app should be so big. 

Edit: that’s good to know! I’ll update to 4*. 44mb smaller than an app like telegram just made wary

### 3/5 — 3 ✯

*2026-04-15, version 1.73*

One ✯ because it’s over 100mb which shows more than half or way more than half is specifically for data harvesting… no reason this app should be so big. 

Edit: that’s good to know! I’ll update to 3. 44mb smaller than an app like telegram just made wary

### 2/5 — Needs to allow native audio playback.

*2026-02-10, version 1.73*

App is almost perfect. Not being able to split while listening to Spotify is a major miss.

### 5/5 — Fun app

*2026-01-20, version 1.73*

It’s a cool idea and a nice part trick. Definitely worth the $2

### 5/5 — Wow

*2026-01-14, version 1.73*

Ive used this app for about 5 years now and never thought to leave a review
 I dont usually leave a review for an app but this one has served me handsomely

### 2/5 — It’s not random enough

*2025-10-08, version 1.73*

When I put in the two different options or decision and split the universes over and over again it just goes back and forth. It’s not like flipping a coin.

### 2/5 — Cool app with really annoying sounds

*2025-09-03, version 1.73*

The app is cool and useful, way more fun than flipping a coin. But it has sound effects that you can’t turn off, so it won’t let you play music or anything in the background while you use it.

The sounds don’t actually do anything useful for the function of the app, it’s just effects. And they’re pretty annoying after the first few times.

### 1/5 — IT’S JUST A MAGIC 8 BALL WITH A DIFFERENT SKIN

*2025-07-26, version 1.73*

Don’t waste your time. There’s no physics in this.  It’s just a glorified MAGIC 8 BALL app.

### 5/5 — Such a Great App

*2025-07-22, version 1.73*

Big props to the developers for this delightful and well-made app!

### 5/5 — Really cool

*2025-07-22, version 1.52*

Saw all the negative comments. They just don’t understand lol. Awesome app 👍🏻

## Frequently asked questions about Universe Splitter

### What does the Universe Splitter app do?

The Universe Splitter app helps you make decisions by leveraging the principles of quantum physics. You input two possible choices, and the app uses a remote quantum device to determine which of the two universes you will inhabit based on your selection.

### How does the app use quantum physics?

The app activates a remote quantum device that sends a single photon into an 'either/or' state. According to the many-worlds interpretation of quantum mechanics, this results in the photon existing in both states simultaneously, each in a separate universe. The app then reports which universe you are in.

### Is this app a joke?

No, the app is presented as a genuine application of quantum mechanics. It utilizes a certified quantum device located in Geneva and has been endorsed by physicists and featured in popular media, suggesting it is not intended as a joke but rather a serious exploration of quantum concepts.

### What are the requirements to use Universe Splitter?

The app requires an iPhone and an internet connection to communicate with the remote quantum device. The description does not mention specific iOS version requirements, but it is implied to be a mobile application.

### What is the cost of the Universe Splitter app?

Based on the provided information, the app is a paid application. It was listed as an 'App Store "Top Paid App"', indicating an upfront purchase price rather than free access or a subscription model.

## Version history (last 5 releases)

### 1.73 — 2025-07-22

Minor interface tweaks; performance improvements

### 1.52 — 2023-09-06

Fixed a bug with the "Reset" button; it now works more reliably

### 1.51 — 2022-01-30

Now offers the choice to merge your older (pre-1.50) splits into the current list.

### 1.50 — 2021-11-30

Now works with iOS 15; now rebuilt using the Unity platform; and best of all -- minor changes in artwork and sounds!

### 1.34 — 2020-09-29

Minor graphics glitches fixed

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## More apps by Aerfish LLC

- [FlapThatBat](https://appshunter.io/ios/app/flapthatbat/id918891168)
- [Quantum Powered Lotto Numbers](https://appshunter.io/ios/app/quantum-powered-lotto-numbers/id6480354352)

All apps by Aerfish LLC: https://appshunter.io/developer/329233302

## Related topics

[universe splitter](https://appshunter.io/ios/topics/universe-splitter) · [cognitive shuffling](https://appshunter.io/ios/topics/cognitive-shuffling) · [quantum security service](https://appshunter.io/ios/topics/quantum-security-service) · [qubixer](https://appshunter.io/ios/topics/qubixer)

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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.*