# Quantum 3 vs Eterna

The clearest difference is review sentiment: Quantum 3 at 100% against Eterna's 33%. Quantum 3 also leads on rating (5.0 vs 3.7). Eterna's advantage is update cadence (every 3 weeks vs every 16 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Quantum 3 holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 15 and 15 respectively. Written reviews point the same way: 100% of Quantum 3's written reviews are positive against 33% of Eterna's.

Quantum 3 ships an update every 16 months, Eterna every 3 weeks. The most recent releases landed on September 7, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Quantum 3 | Eterna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (15 ratings)](https://appshunter.io/ios/app/quantum-3/id1406630529/reviews)** | [3.7 (15 ratings)](https://appshunter.io/ios/app/eterna/id1513216417/reviews) |
| Number of ratings | 15 | 15 |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 124 MB | 188 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Brian Winn](https://appshunter.io/developer/487088992) | [Vital Mind Media](https://appshunter.io/developer/1513216416) |

## What reviewers say

### Quantum 3

[App page](https://appshunter.io/ios/app/quantum-3/id1406630529)

An educational match-3 game that blends fun gameplay with quantum physics concepts. Players match quarks to build subatomic particles and learn about fundamental physics mysteries. It's a great introduction to particle physics for all ages.

**Highlights:** Match-3 gameplay, Learn quantum physics, Build subatomic particles, Explore fundamental physics, Puzzle-solving mechanics

**Features:** macOS Compatibility

**In-app purchases:** none


### Eterna

[App page](https://appshunter.io/ios/app/eterna/id1513216417)

Engage in a citizen science game to design RNA molecules for medical research. Solve puzzles to unlock lab access and contribute to inventing new medicines through challenges.

**Highlights:** Design RNA molecules, Solve scientific puzzles, Participate in medical research, Invent new medicines, Unlock lab access

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

**In-app purchases:** none


## Frequently asked questions

### Is Quantum 3 free?

Quantum 3 is free to download, with no in-app purchases.

### Is Eterna free?

Eterna is free to download, with no in-app purchases.

### Which has better reviews, Quantum 3 or Eterna?

Quantum 3 is rated higher. Quantum 3 averages 5.0 out of 5 from 15 ratings, while Eterna averages 3.7 from 15 ratings.

### Do Quantum 3 or Eterna have ads?

Neither Quantum 3 nor Eterna shows ads.

### Which is updated more often, Quantum 3 or Eterna?

Quantum 3 ships an update every 16 months, and Eterna every 3 weeks. Most recently, Quantum 3 was updated on September 7, 2026 and Eterna on September 17, 2026.

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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.*