# カロミル vs UNDERDOG GYM

The clearest difference is in-app purchases: UNDERDOG GYM at none against カロミル's 10. UNDERDOG GYM also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). カロミル's advantage is update cadence (weekly vs every 39 months). On price and device support there is nothing between them.

Both are free to download. カロミル sells 10 in-app purchases, starting at $0.99 per month. UNDERDOG GYM asks for nothing beyond the download.

カロミル ships an update weekly, UNDERDOG GYM every 39 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | カロミル | UNDERDOG GYM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (183 ratings)](https://appshunter.io/ios/app/pfc/id963055562/reviews)** | — |
| Number of ratings | **183** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 39 months |
| Monetization | Free with in-app purchases | — |
| Size | 189 MB | 38 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Life Log Technology, Inc.](https://appshunter.io/developer/1134414510) | [OCHIAI TAKURO](https://appshunter.io/developer/1590480128) |

## What reviewers say

### カロミル

[App page](https://appshunter.io/ios/app/pfc/id963055562)

Track your daily intake of calories, macronutrients (protein, fat, carbs), and micronutrients like fiber and salt. Analyze your nutritional balance with easy-to-understand charts and set personalized health goals. Supports various logging methods, including image and barcode scanning.

**Highlights:** Calorie and macronutrient tracking, Micronutrient (fiber, salt) tracking, Nutritional balance analysis with charts, Personalized goal setting, Image and barcode food logging, Exercise logging, Health app data integration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| メモ | $0.99 | per month |
| 血圧管理（基本機能のみ） | $1.99 | per month |
| 応援プラン | $1.99 | per month |
| PFCバランス達成状況 | $1.99 | per month |
| 曜日ごとカロリー設定 | $1.99 | per month |
| 食事提案 | $3.49 | per month |
| プレミアムプラン | $3.49 | per month |
| 血圧管理(データ出力・血圧計の画像自動解析付き) | $3.99 | per month |
| 除脂肪コース | $3.99 | per month |
| 血糖値管理(データ出力・血糖測定器の画像自動解析付き) | $4.49 | per month |


### UNDERDOG GYM

[App page](https://appshunter.io/ios/app/underdog-gym/id1590480126)

**In-app purchases:** none


## Frequently asked questions

### Is カロミル free?

カロミル is free to download, with in-app purchases available.

### Is UNDERDOG GYM free?

UNDERDOG GYM is free to download, with no in-app purchases.

### Do カロミル or UNDERDOG GYM have ads?

カロミル shows ads; UNDERDOG GYM does not.

### Which is updated more often, カロミル or UNDERDOG GYM?

カロミル ships an update weekly, and UNDERDOG GYM every 39 months. Most recently, カロミル was updated on November 1, 2026 and UNDERDOG GYM on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*