Sinclair's Notebook is made and published by Puffything Games Inc.. AppBrain is an independent app data site and isn't affiliated with Puffything Games Inc.. The app name, icon, screenshots and description belong to Puffything Games Inc. and are shown as published on Google Play.

About Sinclair's Notebook

Sinclair's Notebook is a trivia app developed by Puffything Games Inc..

Install Statistics

Sinclair's Notebook has been installed 7.8 thousand times. In the last 30 days, the app was installed 180 times.

User Ratings

Sinclair's Notebook is rated 4.44 out of 5 stars. The rating is based on 140 ratings.

App Information

Sinclair's Notebook is freely available from Google Play. The app size is 516.25 MB. The latest version available is 0.0.7. The last update was on April 7, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play since February 2026.

Description by Puffything Games Inc. (from Google Play)

A literary mystery game where you become Sinclair.

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Screenshots

Screenshots by Puffything Games Inc., from the Google Play listing

Official page on Google Play

Alternatives to Sinclair's Notebook

Google Play Rating history and histogram

110

Installs over time

Sinclair's Notebook has been installed 7.8 thousand times. Over the past 30 days, it has been installed 180 times.

Changelog of Sinclair's Notebook

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Developer information for Puffything Games Inc.

Puffything Games Inc.

puffything@naver.com

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Comments on Sinclair's Notebook for Android

★★★★★ Arianna Scagni · Aug 8, 2026

While I only downloaded this due to another game, it was really good! I especially liked the detective elements, and the parts at the end of each chapter where you have to figure out what's going on! My only complaint is that the Twitter account of the owner got deactivated and taken over by someone else, but there's not much I can do about that :/ all in all, peak game pls release more chapters and make a discord

★★★★★ Wikipedia · Aug 18, 2026

Genuine peak. Love the characters, and the art is gorgeous. Also sinclair and demian are gay, as always. This made me actually start reading the original novel it's based on, 10/10 can't wait for chapter 4!

★★★★★ Jinan Donde · Aug 8, 2026

I played ts cuz of limbus company but its actually peak

Google Play Rankings for Sinclair's Notebook

This app is not ranked

Technologies used by Sinclair's Notebook

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Frequently asked questions about Sinclair's Notebook

Is Sinclair's Notebook free?

Yes. Sinclair's Notebook is free on Google Play.

Is Sinclair's Notebook still available?

Yes. Sinclair's Notebook is on Google Play, and the last update we saw was on April 7, 2026.

Does Sinclair's Notebook contain ads?

Yes. Google Play lists Sinclair's Notebook as containing ads.

How large is Sinclair's Notebook?

Sinclair's Notebook is 516.25 MB.

Is Sinclair's Notebook suitable for children?

Google Play rates the content of Sinclair's Notebook as suitable for everyone.

How many times has Sinclair's Notebook been installed?

Google Play lists 5,000+ installs for Sinclair's Notebook.

How do people rate Sinclair's Notebook?

Sinclair's Notebook scores 4.44 out of 5 stars, from 144 ratings on Google Play.

Who made Sinclair's Notebook?

Sinclair's Notebook was developed by Puffything Games Inc.. It is listed in the trivia category on Google Play.

What are the best alternatives to Sinclair's Notebook?

People looking at Sinclair's Notebook also look at these trivia apps: HideAndSeek2 [Story of Demian], Degraman: Act I, A Study in Steampunk, Twilight Chronicle: Idle RPG, Haread.

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Sinclair's Notebook