# Parallel Experiment vs Aurora Hills

The clearest difference is rating: Aurora Hills at 4.9 against Parallel Experiment's 3.3. Aurora Hills also leads on review sentiment (94% vs 57%) and ratings volume (590 vs 7). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Parallel Experiment costs $6.99 and Aurora Hills $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Aurora Hills holds the better App Store score, 4.9 against 3.3. That said, the two scores are not equally well evidenced: Aurora Hills has 590 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 57% of Parallel Experiment's written reviews are positive against 94% of Aurora Hills's.

Parallel Experiment ships an update every 3 weeks, Aurora Hills every 4 weeks. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Parallel Experiment | Aurora Hills |
| --- | --- | --- |
| Price | $6.99 | **$3.99** |
| Rating | [3.3 (7 ratings)](https://appshunter.io/ios/app/parallel-experiment/id6477541914/reviews) | **[4.9 (590 ratings)](https://appshunter.io/ios/app/aurora-hills-chapter-2/id6756991668/reviews)** |
| Number of ratings | 7 | **590** |
| Positive reviews | 57.1% of reviews | **94.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Paid | Paid |
| Best chart rank | — | **#51** |
| Size | 1.2 GB | 837 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Eleven Products Sp. z o.o.](https://appshunter.io/developer/1040907730) | [NovaSoft Interactive Ltd](https://appshunter.io/developer/1470338631) |

## What reviewers say

### Parallel Experiment

[App page](https://appshunter.io/ios/app/parallel-experiment/id6477541914)

A cooperative puzzle game where two players, separated with different clues, must communicate to solve escape room-style challenges. Features a noir-inspired comic book art style and over 80 collaborative puzzles.

**Highlights:** Two Player Co-Op, Challenging Collaborative Puzzles, Retro-Inspired Mini-Games, Cooperative Dialogues, Comic Book Storytelling, In-Game Notebook for Notes

**Features:** Vision Pro support

**In-app purchases:** none


### Aurora Hills

[App page](https://appshunter.io/ios/app/aurora-hills-chapter-2/id6756991668)

**Currently charting:** #51 Top Paid · Puzzle, #84 Top Paid · Adventure (US App Store)

Embark on a chilling point-and-click puzzle adventure as a park ranger investigating disappearances in a remote mountain community. Uncover dark secrets and solve intricate puzzles to find a missing colleague before nightfall.

**Highlights:** Point-and-click puzzle gameplay, Investigate mysterious disappearances, Explore remote national park, Solve challenging puzzles, Atmospheric soundtrack and sound effects, Hint system for difficult riddles, Color blind mode

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Parallel Experiment free?

Parallel Experiment costs $6.99, with no in-app purchases.

### Is Aurora Hills free?

Aurora Hills costs $3.99, with no in-app purchases.

### Which has better reviews, Parallel Experiment or Aurora Hills?

Aurora Hills is rated higher. Parallel Experiment averages 3.3 out of 5 from 7 ratings, while Aurora Hills averages 4.9 from 590 ratings.

### Do Parallel Experiment or Aurora Hills have ads?

Neither Parallel Experiment nor Aurora Hills shows ads.

### Which is updated more often, Parallel Experiment or Aurora Hills?

Parallel Experiment ships an update every 3 weeks, and Aurora Hills every 4 weeks. Most recently, Parallel Experiment was updated on October 10, 2026 and Aurora Hills on October 15, 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.*