# CAPS Mobile App vs Weight Gain App

The clearest difference is in-app purchases: CAPS Mobile App at none against Weight Gain App's 6. CAPS Mobile App also leads on device support (3 vs 1) and iOS requirement (13.4 vs 16.4). Weight Gain App's advantage is update cadence (every 11 days vs monthly). On price and ads there is nothing between them.

Both are free to download. Weight Gain App sells 6 in-app purchases, starting at $2.99 per 7 days. CAPS Mobile App asks for nothing beyond the download.

CAPS Mobile App ships an update monthly, Weight Gain App every 11 days. The most recent releases landed on October 26, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | CAPS Mobile App | Weight Gain App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (5 ratings)](https://appshunter.io/ios/app/weight-gain-app-vulk/id6751136188/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 102 MB |
| Requires iOS | **13.4** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Center for Aggression Management](https://appshunter.io/developer/1489175568) | [Aichi Tsuchihira](https://appshunter.io/developer/1777352044) |

## What reviewers say

### CAPS Mobile App

[App page](https://appshunter.io/ios/app/caps-mobile-app/id1489175569)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Weight Gain App

[App page](https://appshunter.io/ios/app/weight-gain-app-vulk/id6751136188)

This app helps individuals aiming to gain weight by simplifying calorie tracking. It uses AI to analyze meals from photos or descriptions, allowing users to monitor progress and adjust intake goals for sustainable, healthy weight gain.

**Highlights:** AI-powered photo meal tracking, Calorie and macro calculation, Personalized calorie target adjustments, Body weight monitoring, Progress visualization

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vulk Weekly Subscription | $2.99 | per 7 days |
| Vulk Monthly Subscription | $4.99 | per month |
| Vulk Pro | $8.99 | per month |
| Vulk Annual Subscription | $39.99 | per year |
| Vulk Annual Subscription | $39.99 | per year |
| Vulk Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is CAPS Mobile App free?

CAPS Mobile App is free to download, with no in-app purchases.

### Is Weight Gain App free?

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

### Do CAPS Mobile App or Weight Gain App have ads?

Neither CAPS Mobile App nor Weight Gain App shows ads.

### Which is updated more often, CAPS Mobile App or Weight Gain App?

CAPS Mobile App ships an update monthly, and Weight Gain App every 11 days. Most recently, CAPS Mobile App was updated on October 26, 2026 and Weight Gain App 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.*