Utilities · App Store · JapanRed ocean
pdf 編集
pdf編集pdf 結合
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
665,688
core saturation signal
#1 app reviews
43,695
dominant incumbent?
top-10 median
13,932
review spread
local-script apps
100%
localization
stale 1yr+
0%
high means a gap
A dominant app with 43,695 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 |
|---|---|---|
| PDF Expert - ファイルの編集、保存、署名記入Readdle Technologies Limited | 4.52 | 43,695 |
| Adobe Acrobat Reader：PDFの編集と変換ADOBE SYSTEMS SOFTWARE IRELAND LIMITED | 4.37 | 105,243 |
| iLovePDF – PDFエディター & スキャンILOVEPDF S.L. | 4.71 | 17,898 |
| Google ドキュメントGoogle LLC | 4.6 | 167,034 |
| PDF 編集SMM service, s.r.o. | 4.48 | 361 |
| PDF Pro - PDF編集、書き込み、PDF書類の管理Dominic Rodemer | 4.5 | 9,965 |
| PDFelement：PDF編集、PDF変換、OCR日本語Wondershare Technology Group Co.,LTD | 4.49 | 3,661 |
| 簡単PDF編集Kei Suefuji | 4.1 | 82 |
03
What reviews complain about
from 0 competitor reviews
thin evidenceNot enough review evidence. We leave it blank instead of inventing complaints.