# WeightUp: Weight Gain Tracker — AI Calorie Counter for Bulking

> AI Calorie Counter for Bulking (iPhone/iPad app by Jimpei Yamamoto.)

- Source: https://appshunter.io/ios/app/weightup-weight-gain-tracker/id6753589816 (this page in markdown: same URL + `.md`)
- Developer: [Jimpei Yamamoto](https://appshunter.io/developer/1510733955)
- Category: Health & Fitness, Lifestyle
- Price: Free with in-app purchases
- Age rating: 17+
- Requires: iOS 26.0 · 8 MB
- Languages: American English, Japanese
- Released: 2025-10-07
- Data updated: 2026-10-16

## What is WeightUp?

WeightUp is a weight gain app for people who eat and eat but still can't put on weight.

Snap a photo of your meal and AI estimates the calories for you. WeightUp builds a weight gain plan around your body and lifestyle, so you always know how much to eat, without tedious food logging.

WHAT YOU CAN DO
• Snap a meal photo and get an AI calorie estimate in seconds
• Get a personalized weight gain plan based on your age, height, weight, and activity level
• See today's calories on a chart and track your progress toward your daily goal
• Set a target weight and date, and gain at a steady, healthy pace
• Get meal ideas that fit your calories per meal, so you never have to wonder what to eat
• Turn on mealtime reminders so you don't skip a meal

WHY WEIGHTUP
• Just snap a photo. Logging takes seconds, so it's easy to keep going
• Built only for gaining weight, so you see what you need and nothing else
• Your plan is based on the Harris-Benedict equation, a well-established formula for estimating calorie needs
• Small daily wins add up to real change

GREAT FOR YOU IF
• You eat a lot, but the scale won't move
• You want to bulk up and support your training
• You're underweight and want a healthier, stronger body

Start today and take your first step toward the body you want.

SUBSCRIPTION
WeightUp offers an optional auto-renewing subscription, WeightUp Premium. Payment is charged to your Apple Account when you confirm your purchase. Your subscription renews automatically unless you cancel it at least 24 hours before the end of the current period. You can manage or cancel your subscription in your Apple Account settings.

Privacy Policy: https://www.notion.so/2811ae37949a806ab699ff66706f5083?pvs=21
Terms of Use: https://www.notion.so/WeightUp-2811ae37949a80fa896fc8f4e7930e0f?pvs=21
Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

WeightUp provides general health and wellness information and is not a medical device. If you have any health concerns, talk to a doctor or healthcare professional.

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| プレミアム1ヶ月 | $6.99 | per month |
| プレミアム1週間 | $3.99 | per 7 days |


## Is WeightUp safe?

Not enough ratings yet to assess WeightUp.

## Is WeightUp legit?

WeightUp: Weight Gain Tracker appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for WeightUp is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 5 releases)

### 1.5.0 — 2026-10-14

Thanks for using WeightUp!

- Free AI calorie estimates, every day. Get 7 on your first day and 2 a day after that. Just snap a photo.
- Log meals by entering calories yourself. Keep your streak going even after you've used today's free estimates.
- WeightUp is now available in English.

Go Premium for unlimited AI calorie estimates.
Here's to your weight gain journey!

### 1.4.0 — 2026-10-13

・ホーム画面を見やすくしました。1日の食事の達成状況と「1回の食事の目安」を、別々のカードに分けて表示します。
・ホーム画面のカロリーの推移のグラフが、1日の終わり（24時）まで正しく表示されるようにしました。
・カロリー計算の説明シートの表示を改善しました。
・オンボーディングでプランの保存に失敗したときに、もう一度試せるようにしました。
・アプリ全体の動作の安定性を向上しました。

### 1.3.0 — 2026-10-06

いつも WeightUp をご利用いただきありがとうございます。
今回のアップデートでは、食事写真の AI 解析をより安定して使えるようにしました。

■ 改善
・食事写真の AI 解析を新しい仕組みに切り替え、より安定してカロリーを計算できるようになりました
・食事を記録したあとの画面で、1日の食事の予定がすべて見えるようにしました

これからも、太りたいあなたの「食べる」を応援します。

### 1.2.0 — 2026-04-05

食事リマインダー通知機能を追加しました。設定した食事時間に合わせて通知でお知らせします。その他、軽微な不具合の修正とパフォーマンスの改善を行いました。

### 1.1.0 — 2025-10-09

快適にご利用いただくために、UI改良とバグ修正、パフォーマンス改善を実施しました。

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| [Fitlog - AI Macro Food Tracker](https://appshunter.io/ios/app/fitlog-ai-macro-food-tracker/id6754274951) | 4.8 (5) | Free | Health & Fitness |
| [Simple Calorie Log App](https://appshunter.io/ios/app/simple-calorie-log-app/id6758715655) | — | Free | Health & Fitness |
| [Recomil: Macro Log for Lifters](https://appshunter.io/ios/app/recomil-macro-log-for-lifters/id6758512774) | — | Free | Health & Fitness |
| [BulkMate: Weight Gain Tracker](https://appshunter.io/ios/app/bulkmate-weight-gain-tracker/id6789936608) | 4.8 (4) | Free | Health & Fitness |

## More apps by Jimpei Yamamoto

- [ひとりごと英語学習 - Echo](https://appshunter.io/ios/app/echo/id6748248887)

All apps by Jimpei Yamamoto: https://appshunter.io/developer/1510733955

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-16.*