Comparison

Workout for Underweight vs WeightUp | 太りたい人のための増量アプリ

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Workout for Underweight

Features
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Gaining weight is a process that requires the right combination of proper nutrition, consistent physical training, and regular health tracking. This app is specifically designed for underweight individuals, those with poor nutrient absorption, or anyone recovering after a period of physical decline. Developed with in-depth guidance from nutritionists and fitness trainers, the app provides step-by-step support on your journey to sustainably regain your health and improve your physique. Key Features: - Track weight and body metrics: Update your weight daily and monitor key health indicators such as BMI, BMR, and TDEE to understand your current condition and set clear, achievable goals. - Personalized weight gain meal plans: Choose meal portions based on daily calorie needs (2500–3000–3500 kcal). Options are tailored to different user types, including vegetarians, fitness enthusiasts, those recovering from illness, or people with sensitive digestion. - Weight gain training programs: Access guided workouts for building muscle at home or in the gym, complete with structured schedules, instructional videos, and customizable plans targeting full body, arms, shoulders, back, or glutes. - Workout schedule and meal reminders: The app automatically reminds you to eat on time, avoid skipping meals, and stay consistent with your exercise routine according to your personalized plan. - Smoothie and snack recipes: Get suggestions for light, easy-to-digest snacks and high-calorie smoothies that boost intake without causing bloating. - Daily health insights: Access expert-written articles covering effective weight gain tips, digestion improvement, hormonal balance, and healthy lifestyle motivation. - Progress reports: View weekly and monthly summaries of your body metrics and activity data through charts and visual analytics to track visible improvements over time. This weight gain app is the ideal choice for anyone seeking to gain weight at home naturally, especially those who are underweight and want to improve their physique and overall health through a balanced diet and structured fitness program. It’s not only suitable for men looking to build lean muscle or women aiming for a more toned body but also perfect for individuals working out at home without access to a gym. With healthy meal plans, detailed eating schedules, and tailored workout programs for people with difficulty gaining weight, you'll have a clear and scientifically backed roadmap to follow. Additionally, tools for calorie tracking, 3000 kcal/day meal guidance, belly-fat-free weight gain tips, and sustainable muscle-building routines will help you reach your goals safely and effectively. This is truly the most comprehensive weight gain app for skinny individuals you shouldn’t miss. Need a complete solution to eat smart, train right, and gain weight effectively? Download the app today and start transforming your body the smart and sustainable way. This app is not intended to provide medical advice. All content is for informational and reference purposes only. Please consult your doctor or a qualified healthcare provider before making any medical decisions or applying any recommendations from this app Update: - Optimize UI for Workout and exercises - Add more workout and exercises - Support more languages

About

WeightUp | 太りたい人のための増量アプリ

Features
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WeightUp は「太りたいのに太れない」という悩みを解決するために生まれた増量サポートアプリです。 毎日の食事をカメラで撮るだけでAIがカロリーを自動推定し、あなた専用の増量プランを作成。 面倒な記録は不要、続けやすい仕組みで増量できるので、理想の体を目指せます。 ◆ できること ◆ ・食事を撮るだけでカロリーを自動解析(AIによる高精度推定) ・一人ひとりに合わせた増量プランを自動生成 ・1日の摂取カロリーをグラフで可視化し、成長を実感 ・目標体重と達成日を設定して、計画的にステップアップ ・おすすめ食事例を参考にして「何を食べたらいいか」に迷わない ・通知機能で食べ忘れを防ぎ、継続をサポート ◆ WeightUp が選ばれる理由 ◆ ・「撮るだけ」でラクに続けられる ・AIが自動で分析するから正確で安心 ・太りたい人専用だから、欲しい情報だけが手に入る ・毎日の小さな積み重ねが、あなたの未来を変える ◆ あなたにおすすめ ◆ ・食べても体重がなかなか増えない人 ・筋トレや肉体改造を効率的に進めたい人 ・痩せすぎを改善して、健康的で魅力的な体を目指したい人 WeightUp はあなたの「太りたい」を「太れた!」に変えるためのパートナーです。 今すぐ始めて、理想の未来の自分に一歩近づきましょう。 --- ## サブスクリプションについて 本アプリには有料のプレミアムプラン(自動更新サブスクリプション)が含まれます。 サブスクリプションは iTunes アカウントから管理・解約可能です。キャンセルしない限り自動更新されます。 --- ## 利用規約・プライバシーポリシー - プライバシーポリシー(WeightUp): https://www.notion.so/2811ae37949a806ab699ff66706f5083?pvs=21 - 利用規約(WeightUp): https://www.notion.so/WeightUp-2811ae37949a80fa896fc8f4e7930e0f?pvs=21 - Apple標準EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ --- ※本アプリは一般的な健康管理を目的とした情報提供サービスです。 体調に不安がある場合は、医師や専門家にご相談ください。

Screenshots

Workout for Underweight4 screens
WeightUp | 太りたい人のための増量アプリ4 screens

Verdict

The call

The clearest difference is in-app purchases: Workout for Underweight at none against WeightUp | 太りたい人のための増量アプリ's 2. Workout for Underweight also leads on update cadence (monthly vs every 3 months) and iOS requirement (16.0 vs 26.0). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. WeightUp | 太りたい人のための増量アプリ sells 2 in-app purchases, starting at $3.99 per 7 days. Workout for Underweight asks for nothing beyond the download.

UpkeepUpdate frequency

Workout for Underweight ships an update monthly, WeightUp | 太りたい人のための増量アプリ every 3 months. The most recent releases landed on September 20, 2026 and September 12, 2026 respectively.

Scorecard3 real differences · 3 level
Workout for Underweight versus WeightUp | 太りたい人のための増量アプリ: the parameters behind the verdict, then further details
ParameterWorkout for UnderweightWeightUp | 太りたい人のための増量アプリ
PriceFreeFree
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better26.0
Further details — not scored
Size66 MB5 MB
Age rating4+17+
DeveloperNgoc Thanh PhamJimpei Yamamoto

In-app purchases

None

Workout for Underweight

No in-app purchases

2 purchases

WeightUp | 太りたい人のための増量アプリ

Subscriptions2
  • プレミアム1週間$3.997 Days
  • プレミアム1ヶ月3 Days trial$6.991 Month

Questions

Is Workout for Underweight free?
Workout for Underweight is free to download, with no in-app purchases.
Is WeightUp | 太りたい人のための増量アプリ free?
WeightUp | 太りたい人のための増量アプリ is free to download, with in-app purchases available.
Do Workout for Underweight or WeightUp | 太りたい人のための増量アプリ have ads?
Neither Workout for Underweight nor WeightUp | 太りたい人のための増量アプリ shows ads.
Which is updated more often, Workout for Underweight or WeightUp | 太りたい人のための増量アプリ?
Workout for Underweight ships an update monthly, and WeightUp | 太りたい人のための増量アプリ every 3 months. Most recently, Workout for Underweight was updated on September 20, 2026 and WeightUp | 太りたい人のための増量アプリ on September 12, 2026.

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