# Mutropolis mobile vs Unknown

The clearest difference is rating: Unknown at 4.9 against Mutropolis mobile's 4.3. Unknown also leads on chart position (#170 vs unranked) and price ($2.99 vs $4.99). Mutropolis mobile's advantage is update cadence (every 3 weeks vs every 6 months) and review sentiment (75% vs 67%). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Mutropolis mobile costs $4.99 and Unknown $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Unknown holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 16 and 8 respectively. Written reviews complicate that: 75% of Mutropolis mobile's written reviews are positive against 67% of Unknown's, so the app with the better star average is not the one people write more warmly about.

Mutropolis mobile ships an update every 3 weeks, Unknown every 6 months. Both last shipped on November 12, 2026.

## The numbers

| Metric | Mutropolis mobile | Unknown |
| --- | --- | --- |
| Price | $4.99 | **$2.99** |
| Rating | [4.3 (16 ratings)](https://appshunter.io/ios/app/mutropolis-mobile/id1664728315/reviews) | **[4.9 (8 ratings)](https://appshunter.io/ios/app/unknown-raven-field/id6670360708/reviews)** |
| Number of ratings | **16** | 8 |
| Positive reviews | **75.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Paid | Paid |
| Best chart rank | — | **#170** |
| Size | 1.1 GB | 90 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Mac |
| Age rating | 12+ | 12+ |
| Developer | [Application Systems Heidelberg Software GmbH](https://appshunter.io/developer/324565007) | [Taegyu Kim](https://appshunter.io/developer/1722870553) |

## What reviewers say

### Mutropolis mobile

[App page](https://appshunter.io/ios/app/mutropolis-mobile/id1664728315)

Embark on a hand-drawn sci-fi adventure as a detective searching for a lost city on abandoned Earth. Uncover ancient artifacts and confront an ageless evil while exploring the ruins of human civilization. Rescue your professor and discover the legendary city of Mutropolis.

**Highlights:** Hand-drawn sci-fi adventure, Explore abandoned Planet Earth, Uncover ancient artifacts, Solve archaeological puzzles, Full English voice-over, Multiple text localizations

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

**In-app purchases:** none


### Unknown

[App page](https://appshunter.io/ios/app/unknown-raven-field/id6670360708)

**Currently charting:** #170 Top Paid · Puzzle (US App Store)

Embark on a mystery adventure as Sophia searches for her missing brother in the eerie village of Ravenfield. Uncover dark secrets, solve puzzles, and interact with townsfolk to reveal a hidden family past.

**Highlights:** Engrossing storyline, Puzzles and riddles, Townsfolk interactions, Chilling game environment, Clue discovery

**In-app purchases:** none


## Frequently asked questions

### Is Mutropolis mobile free?

Mutropolis mobile costs $4.99, with no in-app purchases.

### Is Unknown free?

Unknown costs $2.99, with no in-app purchases.

### Which has better reviews, Mutropolis mobile or Unknown?

Unknown is rated higher. Mutropolis mobile averages 4.3 out of 5 from 16 ratings, while Unknown averages 4.9 from 8 ratings.

### Do Mutropolis mobile or Unknown have ads?

Neither Mutropolis mobile nor Unknown shows ads.

### Which is updated more often, Mutropolis mobile or Unknown?

Mutropolis mobile ships an update every 3 weeks, and Unknown every 6 months. Most recently, Mutropolis mobile was updated on November 12, 2026 and Unknown on November 12, 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.*