# Gain Weight vs Weighly

The clearest difference is in-app purchases: Weighly at none against Gain Weight's 2. Gain Weight's advantage is update cadence (daily vs every 5 days). On price, ads, 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. Weighly asks for nothing beyond the download.

Gain Weight ships an update daily, Weighly every 5 days. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Gain Weight | Weighly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Monetization | Freemium | — |
| Size | 17 MB | 51 MB |
| Requires iOS | 17.0 | 17 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Moo & Company](https://appshunter.io/developer/1827801961) | [Babak Rezai](https://appshunter.io/developer/6792560648) |

## 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 |


### Weighly

[App page](https://appshunter.io/ios/app/weighly-weight-tracker-and-bmi/id6792560646)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gain Weight free?

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

### Is Weighly free?

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

### Do Gain Weight or Weighly have ads?

Neither Gain Weight nor Weighly shows ads.

### Which is updated more often, Gain Weight or Weighly?

Gain Weight ships an update daily, and Weighly every 5 days. Most recently, Gain Weight was updated on October 25, 2026 and Weighly on October 18, 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.*