# FENRIR Pirates vs Sci

The clearest difference is in-app purchases: Sci at none against FENRIR Pirates's 1. Sci also leads on update cadence (weekly vs every 3 weeks). FENRIR Pirates's advantage is iOS requirement (8.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. FENRIR Pirates sells 1 one-off in-app purchase. Sci asks for nothing beyond the download.

FENRIR Pirates ships an update every 3 weeks, Sci weekly. The most recent releases landed on September 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | FENRIR Pirates | Sci |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 95 MB | 39 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Living a Book Inc.](https://appshunter.io/developer/695442148) | [ROMAN SAFRONOV](https://appshunter.io/developer/573018413) |

## What reviewers say

### FENRIR Pirates

[App page](https://appshunter.io/ios/app/fenrir-pirates-pathbook-game/id1396296890)

This interactive book allows readers to make choices that shape the narrative and lead to different outcomes. Immerse yourself in an adventure fantasy story with engaging music and visuals. Become the main character and discover multiple endings.

**Highlights:** Interactive story with reader decisions, Multiple endings, Fantastic music in every scene, Wonderful images, Intense history/storyline, Adventure fantasy genre

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pathbook | $2.99 | one-time |


### Sci

[App page](https://appshunter.io/ios/app/sci-fi-interactive-stories/id6495236344)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FENRIR Pirates free?

FENRIR Pirates is free to download, with in-app purchases available.

### Is Sci free?

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

### Do FENRIR Pirates or Sci have ads?

Neither FENRIR Pirates nor Sci shows ads.

### Which is updated more often, FENRIR Pirates or Sci?

FENRIR Pirates ships an update every 3 weeks, and Sci weekly. Most recently, FENRIR Pirates was updated on September 24, 2026 and Sci on October 27, 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.*