# Unknown vs Spacetime Chronicles

The clearest difference is price: Spacetime Chronicles at Free against Unknown's $2.99. Spacetime Chronicles also leads on review sentiment (100% vs 67%) and update cadence (every 2 days vs every 6 months). Unknown's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.0). On ads and device support there is nothing between them.

Spacetime Chronicles is free to download; Unknown costs $2.99 up front. Spacetime Chronicles sells 1 one-off in-app purchase. Unknown asks for nothing beyond the download.

Unknown ships an update every 6 months, Spacetime Chronicles every 2 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Unknown | Spacetime Chronicles |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/unknown-raven-field/id6670360708/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 90 MB | 3.7 GB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod, Mac | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Taegyu Kim](https://appshunter.io/developer/1722870553) | [Seenfilm di Bertelli Stefano Sas & c.](https://appshunter.io/developer/6799244252) |

## What reviewers say

### Unknown

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

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


### Spacetime Chronicles

[App page](https://appshunter.io/ios/app/spacetime-chronicles/id6799244250)

Embark on a unique paper stop-motion adventure where you guide a boy through a collapsing timeline. Solve puzzles by observing your surroundings in handcrafted paper sets. The initial part of the journey is free, with a single purchase unlocking the full experience.

**Highlights:** Hand-cut paper stop-motion animation, Time-traveling narrative adventure, Observational puzzle-solving, Multiple diverse environments, Customizable touch controls, Offline play

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game | $3.99 | one-time |


## Frequently asked questions

### Is Unknown free?

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

### Is Spacetime Chronicles free?

Spacetime Chronicles is free to download, with in-app purchases available.

### Do Unknown or Spacetime Chronicles have ads?

Neither Unknown nor Spacetime Chronicles shows ads.

### Which is updated more often, Unknown or Spacetime Chronicles?

Unknown ships an update every 6 months, and Spacetime Chronicles every 2 days. Most recently, Unknown was updated on October 25, 2026 and Spacetime Chronicles on October 25, 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.*