Productivity · App Store · JapanRed ocean
手書きメモ
手書き 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
21
count alone does not show saturation
top-10 review sum
326,688
core saturation signal
#1 app reviews
3,232
dominant incumbent?
top-10 median
4,122
review spread
local-script apps
100%
localization
stale 1yr+
50%
high means a gap
A dominant app with 3,232 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 |
|---|---|---|
| アイデアメモtadashi atoji | 4.47 | 3,232 |
| 簡単メモEIICHI KOMINE | 4.38 | 8,965 |
| 手書きメモ帳 Touch Notes シンプルな手書きアプリShigeru Nakaya | 4.58 | 8,638 |
| 自由ノート: AI ノート・PDF編集・ノート整理・日記帳FREENOTES AI PTE. LTD. | 4.6 | 35,904 |
| シンプル手書きメモRyouhei Azuma | 4.17 | 18 |
| Goodnotes: AI ノート、ドキュメント、PDFGoodnotes Limited | 4.67 | 262,483 |
| 12ホワイトボードhideko ogawa | 4.32 | 5,012 |
| 手書きメモ帳 - ノート惠明 劳 | 4.51 | 2,401 |
03
What reviews complain about
from 0 competitor reviews
thin evidenceNot enough review evidence. We leave it blank instead of inventing complaints.