IndieRadar
Productivity · App Store · JapanRed ocean

節約アプリ

節約 アプリ

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
1,393,568
core saturation signal
#1 app reviews
45
dominant incumbent?
top-10 median
32,728
review spread
local-script apps
100%
localization
stale 1yr+
10%
high means a gap

A dominant app with 45 reviews owns this space. Avoid a head-on fight, find a narrow gap.

02

Who is already here

top competitor apps (by search relevance)

AppRatingReviews
Holdy - 日々の我慢を記録して欲しいものをゲット -TATSUYA MOTOKAWA4.7345
シンプル家計簿 - 人気の家計簿アプリ(かけいぼ)Komorebi Inc.4.6455,886
まいなす家計簿Taito Iikura4.633,115
つもり貯金 | 目標や計画を設定して貯金を管理!Kazuya Kobayashi4.521,195
レシチャレ by クラシル レシートがお金に変わる節約アプリKurashiru, Inc4.3364,894
サイフゲージ あといくら使える 残高予算家計簿Masato Oda51
節約家計簿・予算管理・支出管理 - LockPayRyosuke Hayashi3.5730
くふう トクバイKufu Company Inc.4.3662,340
03

What reviews complain about

from 0 competitor reviews

thin evidenceNot enough review evidence. We leave it blank instead of inventing complaints.
Data: Apple iTunes Search API + public App Store reviews (App Store · Japan) · fetched 2026.08.06 · 0 review samples (recent first, max 500/app) · analysis pre-computed in a local batch (subscription LLM), no runtime calls