# Universe Splitter vs Alien10

The clearest difference is monetization model: Alien10 at free against Universe Splitter's paid. Alien10 also leads on update cadence (every 2 weeks vs every 17 months) and iOS requirement (13.0 vs 15.6). Universe Splitter's advantage is rating (4.7 vs 4.3) and ratings volume (1.5K vs 332). On price, review sentiment, ads and in-app purchases there is nothing between them.

Universe Splitter costs $1.99 and Alien10 $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Universe Splitter holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 1.5K and 332 respectively. Written reviews point the same way: 76% of Universe Splitter's written reviews are positive against 71% of Alien10's.

Universe Splitter ships an update every 17 months, Alien10 every 2 weeks. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Universe Splitter | Alien10 |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | **[4.7 (1.5K ratings)](https://appshunter.io/ios/app/universe-splitter/id329233299/reviews)** | [4.3 (332 ratings)](https://appshunter.io/ios/app/alien10/id1522425038/reviews) |
| Number of ratings | **1.5K** | 332 |
| Positive reviews | **75.6% of reviews** | 70.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | #48 | **#18** |
| Size | 104 MB | 21 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Aerfish LLC](https://appshunter.io/developer/329233302) | [Saddiq Rahim](https://appshunter.io/developer/1522425040) |

## What reviewers say

### Universe Splitter

[App page](https://appshunter.io/ios/app/universe-splitter/id329233299)

**Currently charting:** #48 Top Paid · Entertainment (US App Store)

This app uses quantum physics to help you make decisions. Input two choices, and it uses a remote quantum device to determine which reality you end up in, allowing you to live out both outcomes in separate universes.

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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**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


### Alien10

[App page](https://appshunter.io/ios/app/alien10/id1522425038)

**Currently charting:** #18 Top Paid · Entertainment (US App Store)

Transform your smartwatch into an Omnitrix, allowing you to become a hero. Experience the power and fun of a popular cartoon character's iconic device.

**Highlights:** Omnitrix simulation, Hero transformation, Smartwatch integration, Cartoon character theme

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Cool app
- 👍 Good app that works
- 👍 Enjoyable and fun
- 👍 Brings back nostalgic vibes
- 👍 Faithful to the original Omnitrix

**What reviewers complain about**

- 🐛 Sound doesn't work
- 🐛 Sound is too low
- 🐛 App doesn't function properly
- 🐛 App only works on Apple Watch, not iPhone

**Reported bugs**

- Sound stops working after initial use
- App doesn't download or install properly
- Aliens don't transform when selected

**Requested features**

- Add more aliens from Alien Force, Ultimate Alien, and Omniverse
- Include master control and recalibration mode
- Add different Omnitrix versions (Prototype, Recalibrated, Ultimatrix)
- Implement a timer or cooldown feature
- Add alien voice callouts when selecting them


## Frequently asked questions

### Is Universe Splitter free?

Universe Splitter costs $1.99, with no in-app purchases.

### Is Alien10 free?

Alien10 costs $1.99, with no in-app purchases.

### Which has better reviews, Universe Splitter or Alien10?

Universe Splitter is rated higher. Universe Splitter averages 4.7 out of 5 from 1.5K ratings, while Alien10 averages 4.3 from 332 ratings.

### Do Universe Splitter or Alien10 have ads?

Neither Universe Splitter nor Alien10 shows ads.

### Which is updated more often, Universe Splitter or Alien10?

Universe Splitter ships an update every 17 months, and Alien10 every 2 weeks. Most recently, Universe Splitter was updated on November 6, 2026 and Alien10 on November 7, 2026.

### Which is more popular, Universe Splitter or Alien10?

Universe Splitter currently peaks at #48 in the App Store charts, and Alien10 at #18. Chart position reflects recent download velocity rather than total install base.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*