# Gain Weight vs KcalVoice（カロリーボイス） AI音声カロリー計算

The clearest difference is ads: Gain Weight at none against KcalVoice（カロリーボイス） AI音声カロリー計算's shown. Gain Weight also leads on update cadence (daily vs every 5 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Gain Weight sells 2 in-app purchases, starting at $9.99 per month and KcalVoice（カロリーボイス） AI音声カロリー計算 sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Gain Weight ships an update daily, KcalVoice（カロリーボイス） AI音声カロリー計算 every 5 days. The most recent releases landed on October 18, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Gain Weight | KcalVoice（カロリーボイス） AI音声カロリー計算 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 5 days |
| Monetization | Freemium | — |
| Size | 17 MB | 20 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Moo & Company](https://appshunter.io/developer/1827801961) | [Yosuke Kawano](https://appshunter.io/developer/1894723018) |

## What reviewers say

### 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 |


### KcalVoice（カロリーボイス） AI音声カロリー計算

[App page](https://appshunter.io/ios/app/kcalvoice-ai/id6762573430)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus 月額プラン | $0.99 | per month |
| Pro 月額プラン | $1.99 | per month |
| Plus 年額プラン | $9.99 | per year |
| Pro 年額プラン | $19.99 | per year |


## Frequently asked questions

### Is Gain Weight free?

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

### Is KcalVoice（カロリーボイス） AI音声カロリー計算 free?

KcalVoice（カロリーボイス） AI音声カロリー計算 is free to download, with in-app purchases available.

### Do Gain Weight or KcalVoice（カロリーボイス） AI音声カロリー計算 have ads?

KcalVoice（カロリーボイス） AI音声カロリー計算 shows ads; Gain Weight does not.

### Which is updated more often, Gain Weight or KcalVoice（カロリーボイス） AI音声カロリー計算?

Gain Weight ships an update daily, and KcalVoice（カロリーボイス） AI音声カロリー計算 every 5 days. Most recently, Gain Weight was updated on October 18, 2026 and KcalVoice（カロリーボイス） AI音声カロリー計算 on October 23, 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.*