IndieRadar
Utilities · App Store · JapanRed ocean

メモ帳

メモメモ アプリ

The signal here is competition saturation, not search demand. You decide; we lay out the evidence.

01

How crowded is it

saturation from top-app review concentration

result apps
23
count alone does not show saturation
top-10 review sum
411,280
core saturation signal
#1 app reviews
179,322
dominant incumbent?
top-10 median
19,274
review spread
local-script apps
100%
localization
stale 1yr+
20%
high means a gap

A dominant app with 179,322 reviews owns this space. Avoid a head-on fight, find a narrow gap.

02

Who is already here

top competitor apps (by search relevance)

AppRatingReviews
メモ帳 - シンプルなメモアプリ・ノート(めも帳のーと)Komorebi Inc.4.47179,322
メモiTunes K.K.4.5690,047
Cahoメモ帳 人気のかわいいメモ帳アプリLAN CHEN4.7735,187
シンプルノート - メモ帳・ノート管理(めも帳)のメモアプリKomorebi Inc.4.6137,092
メモ帳 サンリオキャラクターズ(+ウィジェット)ARTS PLANET, Y.K.4.33,845
メモ帳 シンプルなメモアプリRyoichi Fukugawa4.58,632
メモ帳 BestNote フォルダや文字数カウントで人気Daikuzono Takuma4.4914,873
メモ帳 シンプルなメモ&書きやすいShigeru Nakaya4.596,817
03

What reviews complain about

from 0 competitor reviews

thin evidenceNot enough review evidence. We leave it blank instead of inventing complaints.
Data: Apple iTunes Search API + public App Store reviews (App Store · Japan) · fetched 2026.08.06 · 0 review samples (recent first, max 500/app) · analysis pre-computed in a local batch (subscription LLM), no runtime calls