Productivity · App Store · JapanRed ocean
リマインダー
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
1,403,179
core saturation signal
#1 app reviews
137,338
dominant incumbent?
top-10 median
30,160
review spread
local-script apps
90%
localization
stale 1yr+
0%
high means a gap
A dominant app with 137,338 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 |
|---|---|---|
| リマインダーiTunes K.K. | 4.61 | 137,338 |
| ToDoリスト リマインダー通知付きのメモ帳&やることリストApp Palette LLC | 4.67 | 42,372 |
| シンプルToDoリスト 1画面のウィジェット対応タスク管理Komorebi Inc. | 4.6 | 60,833 |
| 通知メモ：ロック画面ウィジェット対応のタスク管理リマインダーAnkercast Inc. | 4.41 | 1,388 |
| Yondo Todoリストをロック画面に。シンプルタスク管理Ryunosuke Nagase | 4.37 | 351 |
| Planner for iPadCraft LLC | 4.51 | 9,442 |
| TickTick: todoリストとタスク管理とカレンダーAppest Limited | 4.75 | 15,473 |
| Google ToDo リストGoogle LLC | 4.61 | 51,482 |
03
What reviews complain about
from 0 competitor reviews
thin evidenceNot enough review evidence. We leave it blank instead of inventing complaints.