Productivity · App Store · JapanRed ocean
メモ
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
22
count alone does not show saturation
top-10 review sum
462,343
core saturation signal
#1 app reviews
90,047
dominant incumbent?
top-10 median
31,402
review spread
local-script apps
100%
localization
stale 1yr+
10%
high means a gap
A dominant app with 90,047 reviews owns this space. Avoid a head-on fight, find a narrow gap.
02
Who is already here
top competitor apps (by search relevance)
| App | Rating | Reviews |
|---|---|---|
| メモiTunes K.K. | 4.56 | 90,047 |
| メモ帳 - シンプルなメモアプリ・ノート（めも帳のーと）Komorebi Inc. | 4.47 | 179,322 |
| ロック画面メモ - LockScreenNotesTakumi Banjoya | 4.52 | 16,370 |
| 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. | 4.61 | 37,092 |
| Cahoメモ帳 人気のかわいいメモ帳アプリLAN CHEN | 4.77 | 35,187 |
| ホーム画面に貼れるメモ帳 StickyNote 付箋ノートShota Yamashita | 4.54 | 23,675 |
| メモ帳 サンリオキャラクターズ（+ウィジェット）ARTS PLANET, Y.K. | 4.3 | 3,845 |
| メモ帳 シンプルなメモ＆書きやすいShigeru Nakaya | 4.59 | 6,817 |
03
What reviews complain about
from 0 competitor reviews
thin evidenceNot enough review evidence. We leave it blank instead of inventing complaints.