Updated Jul 23, 2026
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Apps ranking for “best weight loss app”
Japan App Store · live results
Difficulty
Hard
53/100
Apps competing
195
in search results
Avg top-10 rating
4.36
22,658 avg reviews
Free in top 10
10/10
paid vs free mix
-
1
ウェイトロス フィットネスMONTIBUS LTD · Health & Fitness★ 4.225,566 ratingsFree -
2
Noom Weight Loss, Food TrackerNoom, Inc. · Health & Fitness★ 3.795,018 ratingsFree -
3
シンプルダイエット 体重記録をグラフ、カレンダーで管理できるi-mobile Co.,Ltd · Health & Fitness★ 4.5423,328 ratingsFree -
4
Kompanion: 断食トラッカー & 体 重 管 理Ornitorenk Dijital Hizmetler Anonim Sirketi · Health & Fitness★ 4.273,133 ratingsFree -
5
体重管理アプリSmartRecord ：ダイエット・筋トレKomorebi Inc. · Health & Fitness★ 4.523,379 ratingsFree -
6
SmartDiet ダイエットの体重記録で痩せるダイエットKomorebi Inc. · Health & Fitness★ 4.6129,447 ratingsFree -
7
30日で体重を減らすABISHKKING LIMITED. · Health & Fitness★ 4.373,490 ratingsFree -
8
MyFitnessPal: 健康管理MyFitnessPal, Inc. · Health & Fitness★ 4.4829,984 ratingsFree -
9
Lose It! – Calorie CounterFitNow · Health & Fitness★ 4.5797 ratingsFree -
10
Dancefitme: 楽しいトレーニングTechPioneers Limited · Health & Fitness★ 4.332,446 ratingsFree -
11
Simple: AIを活用したダイエットコーチAM APPS · Health & Fitness★ 4.4613 ratingsFree -
12
BMI計算と体重日記 - aktiBMIaktiWir GmbH · Health & Fitness★ 4.411,025 ratingsFree -
13
ボディマス指数計算機 - 体重管理Steffen Mayer · Health & Fitness★ 4.52183 ratingsFree -
14
RecStyle カロリー管理と体重記録のダイエット アプリMEDIANO Co.,Ltd. · Health & Fitness★ 4.527,238 ratingsFree -
15
Weight Loss 体重記録が続く、痩せるダイエット記録Sttir, Inc. · Health & Fitness★ 4.28674 ratingsFree -
16
FitCoach: パーソナルフィットネス、痩せる アプリWELLTECH APPS LIMITED · Health & Fitness★ 4.146,835 ratingsFree -
17
Walker - 歩数計 LiteNaoya Araki · Health & Fitness★ 4.1510,629 ratingsFree -
18
Sworkit Fitness & Workout AppNexercise · Health & Fitness★ 4.342,259 ratingsFree -
19
姫様「体重記録」かわいいキャラと一緒にダイエットmitsuhiro nara · Medical★ 4.323,694 ratingsFree -
20
Intermittent Fasting: PureFastFast Builder Limited · Health & Fitness★ 4.8526 ratingsFree -
21
ヨガ：ポーズとクラスVGFIT LLC · Health & Fitness★ 4.423,621 ratingsFree -
22
Glow: Weight Loss AI for WomenEndo Health, Inc. · Health & Fitness★ 4.6371 ratingsFree -
23
Fastic Weight Loss & FastingHealthVida GmbH & Co. KG. · Health & Fitness★ 4.76543 ratingsFree -
24
FYSTA（フィスタ）筋トレ・ヨガ・体重管理・フィットネスKINGSOFT Japan Inc. · Health & Fitness★ 4.31,751 ratingsFree -
25
自宅でできる男性向け減量アプリLeap Health · Health & Fitness★ 4.63179 ratingsFree
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