# Eterna vs Sort Solver & Helper

The clearest difference is rating: Eterna at 3.7 against Sort Solver & Helper's 1.0. Eterna also leads on in-app purchases (none vs 2) and review sentiment (33% vs 0%). On price, ads and device support there is nothing between them.

Both are free to download. Sort Solver & Helper sells 2 in-app purchases, starting at $3.99 per 7 days. Eterna asks for nothing beyond the download.

Eterna holds the better App Store score, 3.7 against 1.0. That said, the two scores are not equally well evidenced: Eterna has 15 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 33% of Eterna's written reviews are positive against 0% of Sort Solver & Helper's.

Eterna ships an update every 3 weeks, Sort Solver & Helper every 2 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Eterna | Sort Solver & Helper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (15 ratings)](https://appshunter.io/ios/app/eterna/id1513216417/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/sort-solver-and-helper/id6760549739/reviews) |
| Number of ratings | **15** | 2 |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 188 MB | 25 MB |
| Requires iOS | **13.0** | 17.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Vital Mind Media](https://appshunter.io/developer/1513216416) | [1MB SAAS SL](https://appshunter.io/developer/1772669068) |

## What reviewers say

### 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


### Sort Solver & Helper

[App page](https://appshunter.io/ios/app/sort-solver-and-helper/id6760549739)

This app provides instant solutions for color sorting puzzles like water or ball sort games. It offers step-by-step guidance or single move hints, and can analyze puzzles from screenshots or manual input. Enjoy an ad-free experience with customizable skins and puzzle history.

**Highlights:** Step-by-step visual solutions, Hint mode for single moves, Screenshot puzzle detection, Manual puzzle input, Customizable ball/liquid skins, Puzzle history, Offline functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $3.99 | per 7 days |
| Premium Yearly | $19.99 | per year |


## Frequently asked questions

### Is Eterna free?

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

### Is Sort Solver & Helper free?

Sort Solver & Helper is free to download, with in-app purchases available.

### Which has better reviews, Eterna or Sort Solver & Helper?

Eterna is rated higher. Eterna averages 3.7 out of 5 from 15 ratings, while Sort Solver & Helper averages 1.0 from 2 ratings.

### Do Eterna or Sort Solver & Helper have ads?

Neither Eterna nor Sort Solver & Helper shows ads.

### Which is updated more often, Eterna or Sort Solver & Helper?

Eterna ships an update every 3 weeks, and Sort Solver & Helper every 2 months. Most recently, Eterna was updated on November 3, 2026 and Sort Solver & Helper on November 5, 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.*