Sinclair's Notebook
Puffything Games Inc. Games iPhoneiPadiPod touch
Sinclair's Notebook is a free Games app for iPhone and iPad by Puffything Games Inc. Rated 5.0/5 from 19 ratings. Requires iOS 15.0. Updated April 7, 2026.
- Rating
- 5.0
- 19 ratings
- Price
- Free
- on the App Store
- Size
- 481 MB
- Age 9+
- Updated
- Apr 7
- 2026 · v1.0.8
Screenshots
About Sinclair's Notebook
A literary mystery game where you become Sinclair. Sinclair and Demian are irreplaceable friends who understand each other like no one else. On the day Sinclair dreams of receiving Demian’s notebook, ominous dark clouds cover the sky, and people suddenly become impulsive and violent, their eyes stained a maddening red. In an instant, the world descends into complete chaos. Sinclair opens the strange notebook Demian once gave him. From within it, a glowing blue bird bursts forth and flies toward Demian’s house. Carrying only the notebook, Sinclair follows the blue bird—the beacon of light Demian left behind—and sets out on a perilous journey. About the Game Sinclair’s Notebook is a point-and-click mystery thriller visual novel that reinterprets Demian, Hermann Hesse’s coming-of-age classic. One day, the world of evil—filled with blood, darkness, and immorality—emerges with ominous storm clouds and begins to consume even the world of good. In this crisis, Demian, Sinclair’s one true confidant, has vanished. Your goal is to follow the beacon of light, find him, and uncover the truth behind what has happened. Set against the literary atmosphere of the 1910s, the game delivers poetic emotion and delicate portrayals of the inner self inspired by the original novel. Whether you have read Demian or not, you can enjoy the story through an immersive choice-driven narrative. Choose Sinclair’s words and actions yourself, and draw closer to the truth. Gameplay Ordinary life is gone. Explore the map to uncover clues that will lead you to Demian and gather the evidence needed to support them, recording everything in your notebook. Once you have collected enough clues and evidence, you must combine what you have gathered in the notebook and solve the situation at hand. In a world brought to a standstill, Sinclair is not simply trying to identify a criminal and bring them to justice. He must save those consumed by madness, resolve conflicts among the people entangled in each case, and investigate situations that defy all understanding. The game also features puzzles that are approachable even for players who are new to mystery games. Characters Meet a wide range of characters from the original novel, each reimagined with deeper stories and new narrative layers. Sinclair’s Notebook also features charming original characters who appear only in this game. [Sinclair] A growing boy who endlessly seeks to understand himself and the world [Demian] A mysterious friend who seems to see through everything in the world [Eden] A mystical blue bird made of light [Frau Eva] Demian’s mother, a prophet who can wield magic [Father Martin] A priest who knows an important truth about the past of the church on the outskirts Many more characters will join Sinclair’s journey throughout each chapter. Recommended For -Players who love classic literature -Players looking for story-driven games, visual novels, or mystery games -Players who enjoy dark fantasy that is intense yet meaningful -Players who love mystery adventures -Players who enjoy stories that are dark and lyrical, yet ultimately search for the light Players who want a game with a clear beginning, climax, and ending Players who enjoy a classic atmosphere Players who love escape-room style games
Ratings & reviews
5.0
19 ratings
What’s new
Version 1.0.8 · Updated April 7, 2026
bug fix
App privacy
The developer, Puffything Games Inc., reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Usage Data: Product Interaction
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction, Other Usage Data
- Location: Coarse Location
- Identifiers: Device ID
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
- Other Data: Other Data Types
Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, Product Personalization, App Functionality, Other Purposes
Alternatives to Sinclair's Notebook
Looking for apps like Sinclair's Notebook? Here are 6 similar apps on the App Store. The highest rated is Jekyll & Hyde | Mystery Story (4.8/5), and all 6 are free to download.
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Kafka's Metamorphosis
4.1
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Obey Me! Till Death Do Us Part
3.8
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Nekopara Sekai Connect
4.5
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Jekyll & Hyde | Mystery Story
4.8
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東方魔導録
4.7
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WonderEnd 0
4.5
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Sinclair's Notebook | 5.0 / 5 (19 ratings) | Free | April 7, 2026 | |
| Kafka's Metamorphosis | 4.1 / 5 (7) | Free | Aug 22, 2025 | Compare |
| Obey Me! Till Death Do Us Part | 3.8 / 5 (515) | Free | Jul 23, 2026 | Compare |
| Nekopara Sekai Connect | 4.5 / 5 (1,149) | Free | Oct 13, 2026 | Compare |
| Jekyll & Hyde | Mystery Story | 4.8 / 5 (476) | Free | Jan 18, 2026 | Compare |
| 東方魔導録 | 4.7 / 5 (89) | Free | Oct 21, 2026 | Compare |
| WonderEnd 0 | 4.5 / 5 (281) | Free | Dec 1, 2024 | Compare |