Photo & Video · App Store · JapanRed ocean
写真 バックアップ
写真バックアップ
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
2,277,037
core saturation signal
#1 app reviews
196,518
dominant incumbent?
top-10 median
84,857
review spread
local-script apps
90%
localization
stale 1yr+
10%
high means a gap
A dominant app with 196,518 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 |
|---|---|---|
| Google フォトGoogle LLC | 4.46 | 196,518 |
| Yahoo!かんたんバックアップYahoo Japan Corporation | 4.18 | 19,535 |
| Amazon PhotosAMZN Mobile LLC | 4.62 | 162,808 |
| 写真バックアップ - 写真の保護や容量問題の解消にBUFFALO INC. | 4.47 | 2,509 |
| POOLプール-写真・動画の保存シェアの鍵付きアルバムアプリRIKKA, LIMITED LIABILITY COMPANY | 4.05 | 53,130 |
| TeraBox: 1TB クラウド & AI スペースFLEXTECH INC. | 3.77 | 2,340 |
| 鍵付きアルバム - さくっとシークレットMs, Inc. | 4.72 | 227,135 |
| Dropbox: ファイルストレージ・クラウドドライブDropbox, Inc. | 4.54 | 116,584 |
03
What reviews complain about
from 0 competitor reviews
thin evidenceNot enough review evidence. We leave it blank instead of inventing complaints.