# カロレコ vs Gain Weight

The clearest difference is in-app purchases: カロレコ at none against Gain Weight's 2. カロレコ also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). Gain Weight's advantage is ads (none vs shown) and update cadence (daily vs monthly). On price there is nothing between them.

Both are free to download. Gain Weight sells 2 in-app purchases, starting at $9.99 per month. カロレコ asks for nothing beyond the download.

カロレコ ships an update monthly, Gain Weight daily. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | カロレコ | Gain Weight |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Daily** |
| Monetization | — | Freemium |
| Size | 45 MB | 17 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Naoya Takahashi](https://appshunter.io/developer/1682387197) | [Moo & Company](https://appshunter.io/developer/1827801961) |

## What reviewers say

### カロレコ

[App page](https://appshunter.io/ios/app/ai/id6761247120)

**In-app purchases:** none


### Gain Weight

[App page](https://appshunter.io/ios/app/gain-weight-stackcal/id6762064997)

This app helps users track calorie intake specifically for gaining weight and muscle mass. It offers quick meal logging via photo recognition and provides personalized targets based on user stats and goals. Data is kept private on the device with optional iCloud sync.

**Highlights:** Bulk-first calorie targets, AI-powered photo meal logging, One-gesture logging for weight and portions, Clear home screen with daily progress, Trend-based weight tracking, Privacy-focused, no account needed

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StackCal Pro 月額プラン | $9.99 | per month |
| StackCal Pro 年額プラン | $49.99 | per year |


## Frequently asked questions

### Is カロレコ free?

カロレコ is free to download, with no in-app purchases.

### Is Gain Weight free?

Gain Weight is free to download, with in-app purchases available.

### Do カロレコ or Gain Weight have ads?

カロレコ shows ads; Gain Weight does not.

### Which is updated more often, カロレコ or Gain Weight?

カロレコ ships an update monthly, and Gain Weight daily. Most recently, カロレコ was updated on October 31, 2026 and Gain Weight on November 5, 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.*