Simple blackboard

Developer: 🇯🇵 razuma

Add to Compare

69K installs

Ratings not yet available

3K monthly active users

$<10K monthly revenue est.

IAP 0% · Ad 100%

Install Trends

Weekly +93

Steady

Monthly +457

Steady

Simple blackboard Summary

Simple blackboard is a free, ad-supported Android app in Art And Design by razuma. Released in Dec 2020 (5 years ago). It has about 69K+ installs Based on AppGoblin estimates, it reaches roughly 3K monthly active users and generates around $<10K monthly revenue (0% IAP / 100% ads). Store last updated Jun 17, 2026

Recent activity: 93 installs this week (457 over 4 weeks) showing steady growth View trends →

Advertising: AppGoblin detected 1.00 monetized ad creatives shown inside the app.

Data tracking: The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Nov 21, 2025.

Simple blackboard SDKs Summary

App not yet scanned for SDKs.

App Details

Store ID: jp.razuma.blackboard

First Released: 2020-12-09

Store Last Updated: 2026-06-17

App Store Category: Art & Design

In-App Purchases: No

Ads: Yes

Price: Paid

Website: razuma.jp

App Store

Crawl Status: Success

AppGoblin First Crawled: 2024-08-26

AppGoblin Last Crawled: 2026-07-27

Ads & App-Ads.txt

Ads.txt Last Crawled: 2025-10-19

Ads.txt Crawl Status: Success

4.19★

Ratings: 0

5★

4★

3★

2★

1★

Screenshots

App Description

It is a simple handwritten blackboard app. use it for memos and drawings.

A blackboard-like app that allows you to write with a white and red pen

Can be used as a memo pad or as a drawing

You can also save the image, please try