# Kafka's Metamorphosis vs Sinclair's Notebook

The clearest difference is rating: Sinclair's Notebook at 5.0 against Kafka's Metamorphosis's 4.1. Sinclair's Notebook also leads on in-app purchases (none vs 2) and update cadence (every 4 days vs monthly). Kafka's Metamorphosis's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, review sentiment, ratings volume and device support there is nothing between them.

Both are free to download. Kafka's Metamorphosis sells 2 in-app purchases, starting at $5.99 per month. Sinclair's Notebook asks for nothing beyond the download.

Sinclair's Notebook holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 7 and 19 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Kafka's Metamorphosis ships an update monthly, Sinclair's Notebook every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Kafka's Metamorphosis | Sinclair's Notebook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/kafkas-metamorphosis/id6593663748/reviews) | **[5.0 (19 ratings)](https://appshunter.io/ios/app/sinclairs-notebook/id6758689011/reviews)** |
| Number of ratings | 7 | **19** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 425 MB | 481 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Growing Seeds Inc](https://appshunter.io/developer/641499924) | [Puffything Games Inc.](https://appshunter.io/developer/1791042476) |

## What reviewers say

### Kafka's Metamorphosis

[App page](https://appshunter.io/ios/app/kafkas-metamorphosis/id6593663748)

Experience the emotional journey of Franz Kafka and his famous novella, 'The Metamorphosis,' through a lyrical, short-form visual novel. Explore Kafka's inner world and familial struggles as a writer under pressure. This game offers a cinematic, touch-based narrative inspired by his life and works.

**Highlights:** Short-form visual novel, Based on Franz Kafka's life, Explores familial issues, Cinematic narrative, Simple touch controls, Inspired by literary works

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MazM Membership | $5.99 | per month |
| Lifetime Pass | $59.99 | one-time |


### Sinclair's Notebook

[App page](https://appshunter.io/ios/app/sinclairs-notebook/id6758689011)

Embark on a literary mystery as Sinclair, seeking your friend Demian in a world consumed by chaos. Explore, gather clues in your notebook, and solve puzzles to uncover the truth behind the madness. This choice-driven narrative is inspired by Hermann Hesse's classic novel.

**Highlights:** Point-and-click gameplay, Visual novel narrative, Mystery thriller genre, Choice-driven story, Clue gathering and puzzle solving, Literary-inspired atmosphere

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

**In-app purchases:** none


## Frequently asked questions

### Is Kafka's Metamorphosis free?

Kafka's Metamorphosis is free to download, with in-app purchases available.

### Is Sinclair's Notebook free?

Sinclair's Notebook is free to download, with no in-app purchases.

### Which has better reviews, Kafka's Metamorphosis or Sinclair's Notebook?

Sinclair's Notebook is rated higher. Kafka's Metamorphosis averages 4.1 out of 5 from 7 ratings, while Sinclair's Notebook averages 5.0 from 19 ratings.

### Do Kafka's Metamorphosis or Sinclair's Notebook have ads?

Sinclair's Notebook shows ads; Kafka's Metamorphosis does not.

### Which is updated more often, Kafka's Metamorphosis or Sinclair's Notebook?

Kafka's Metamorphosis ships an update monthly, and Sinclair's Notebook every 4 days. Most recently, Kafka's Metamorphosis was updated on October 24, 2026 and Sinclair's Notebook on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*